Technical
A comprehensive collection of questions and answers about the technical aspects of email deliverability from email marketers, experts and technical documentation.
- What is the impact of the 'from' domain record on SPF when the ESP uses its own domain for the return-path?
- What do SPF all qualifiers mean and how should they be used?
- Why do emails with SPF hard fail sometimes land in inbox instead of spam folder in Gmail?
- Where does the BIMI logo appear in email clients?
- How did the UPS SPF scam work and what vulnerabilities did it exploit?
- How can I display my logo in Gmail and Microsoft, and what are the potential security risks?
- How can I improve my email deliverability?
- How do I set up DKIM on G Suite for outgoing mail, especially when using multiple email services?
- Why should ESP SPF include recommendations be avoided on corporate domains?
- Why does Gmail show 'via' even when DMARC passes?
- How do I regain admin access to Google Postmaster Tools if the previous manager left?
- Who manages the dmarc-report.com domain?
- Why would you want your email subdomain to be as short as possible?
- How do I fix DKIM alignment errors and configure DKIM signing for a custom domain in Microsoft 365 and is include:spf.mtasv.net required for mailchimp?
- Should I include Google Calendar in my SPF record, and what is the importance of DKIM versus SPF?
- What are the new Microsoft Exchange receiving limits and how do they work?
- What are the best email deliverability and abuse management events?
- How to resolve SPF alignment issues with Google Workspace alias domains?
- How important is an external email verifier on DMARC?
- How accurate is email client market share data when Apple Mail intentionally opens messages?
- Does BIMI improve email deliverability?
- Can the blue list header unsubscribe in Gmail be changed back to grey?
- How does Google Workspace manage outbound authentication with multiple domains?
- Is '-all' required in included SPF records if the main record has it?
- How does SPF flattening affect email evaluation tools and are there alternatives?
- How do I set up SPF and DKIM records for new subdomains when using third-party email services?
- How do I display my logo in email inboxes, particularly Gmail, and what are the BIMI requirements?
- How do DMARC records on subdomains override root domain DMARC policies?
- Why is Google Postmaster Tools showing SPF misalignment despite passing DMARC for subdomain, and how to fix DMARC for root domain?
- How can I use DMARC to prevent spammers from using my domain?
- Is it bad practice to have more than one envelope from in an email message?
- What did AOL inboxes look like in the early 2000s, and how does the amount of spam compare to today?
- How should I format Feedback-ID for Gmail?
- How do I set up BIMI with a CMC, and what are common issues?
- How many DMARC report emails should I expect to receive daily and how should I manage them?
- Where can I find statistics on BIMI adoption by email senders?
- Does Apple Mail Privacy Protection pre-fetch images from spam folders or only the inbox?
- What backend validations can be implemented for email opt-in and account registration to prevent spam?
- Will BIMI become a standard trust indicator for email like SSL/TLS for websites?
- Is forwarding emails originating from Gmail through Salesforce Marketing Cloud considered Gmail impersonation?
- How can I improve SPF alignment and email deliverability when using Hubspot?
- Did Google remove the precedence: bulk headers suggestion from their bulk sender guidelines?
- Do I need a Yahoo Sender Hub account for email deliverability?
- Is Microsoft's Business Profile Experience still available?
- Why does Aboutmy.email show no DKIM signature but other tools validate DKIM? How do SPF alignment and DMARC work?
- How does the DMARC sp tag affect subdomain policies?
- How does iCloud's Hide My Email feature handle sender information and replies?
- What are the issues with DMARC service companies and cousin domains?
- How to fix SPF record exceeding DNS lookup limit?
- How to change DMARC records from none to quarantine for BIMI?
- What DMARC settings should I use and what are the implications of using p=reject?
- Is shared rDNS an issue for SaaS platforms sending emails on behalf of clients?
- How to use plus-tagged email addresses for subscriptions and unsubscribes?
- How do ActiveCampaign and other ESPs handle DMARC records during custom return-path setup, and what are the potential issues?
- How can I use invisible links to identify bot clicks in B2B emails?
- What do Apple X-Headers mean in email filtering?
- Why does Gmail have a higher rate limit than Google Workspace?
- Is it possible to point one subdomain to multiple email service providers?
- What should I do about a weird SPF domain/IP sending from my client's domain?
- What are the differences between 5321.from and 5322.from in email headers?
- What are the challenges of setting up an Exim4 server for an ESP and are there cheaper alternatives?
- What are the purposes of bots signing up for emails and accounts on websites?
- What can I do to stop spammers using my company name in email from field?
- How does Yahoo Mail display a sender's logo without a BIMI record?
- Does rotating DKIM keys improve email deliverability and how should DKIM keys be rotated?
- How to implement DKIM without a TXT record?
- How does a missing DKIM DNS TXT record affect email deliverability?
- Does BIMI require a reject policy on the top level domain if subdomains have it?
- What is Spamhaus HBL and how does it work?
- How to configure self-hosted DNS for SFMC migration with multiple IPs and avoid conflicts?
- What are best practices and costs for implementing DKIM, SPF, and DMARC?
- Why does DKIM authentication sometimes fail with certain ISPs or receivers like Barracuda and Proofpoint?
- How to test which DNS providers append domain to DKIM host for non-technical users?
- Does BIMI require DMARC at the organizational level, and can it be implemented only at the subdomain level?
- Is it okay to use the plus sign in the RUA email address of a DMARC record?
- What information is contained in DMARC RUA and RUF reports?
- Should I use SPF hardfail or softfail with DMARC?
- How do CNAME records affect DNS records like SPF, DKIM, DMARC, and MX?
- How can I use an API to suppress or reject fake emails on my signup form?
- How should DKIM selector names be interpreted and what is the recommended DKIM key size?
- What is the Spamhaus content hash blocklist and how does it compare to DCC, Vipul's Razor, and Cloudmark?
- Which certification authorities are recommended for BIMI VMC authentication?
- What should I include in an email deliverability checklist?
- What are the best practices for PTR records and domain alignment in email sending?
- How can I validate a domain for Verizon FBL without using postmaster verification emails?
- What are the main rules any DMARC must have to accomplish new Gmail and Yahoo requirements?
- Does the X-Mailer header impact email deliverability in Zoho Campaigns?
- How do email forwarding and DMARC policies affect email delivery and reporting?
- What is the optimal image file size for emails to avoid spam filters and ensure fast loading times?
- What are the new DMARC RUA requirements for 2024?
- Why is AboutMy.Email reporting RFC 8058 failure for one-click unsubscribe?
- How can I improve email deliverability with Microsoft and avoid spam filters?
- How can I bulk check and clean MX records for a list of domains?
- What are common misconceptions and best practices regarding SPF records and email deliverability for small mail servers?
- What DNS record is required for DMARC reports to an external domain?
- What is the typical DNS record length limit and what should I do if my provider has a smaller limit?
- Do I need to set up DMARC for subdomains?
- How does email file size and MIME types affect email deliverability?
- How can I check if a domain uses Entrust or Digicert for BIMI, and should I avoid Entrust?
- What is reverse DNS (rDNS) and FCrDNS, and how do they impact email sending?
- Does a parent domain need BIMI for subdomain BIMI to work?
- Where can I find comprehensive lists of known disposable email domains to block?
- What are the best resources for learning and understanding DMARC?
- How to evaluate an ESP for deliverability before setting it up?
- What are the implications of using a DMARC policy of p=none?
- What open 'bad domain' lists can I use to filter newsletter subscriptions from typo domains?
- Should I include a reply-to header if it's identical to the from header?
- How do I add an unsubscribe header to emails in Intercom?
- How can I assess deliverability health for prospective email marketing clients?
- What are the correct image dimensions and steps to add an animated GIF profile picture to my Google account?
- What could cause Gmail SPF/DKIM issues and how to check authentication results in email headers?
- How to setup BIMI when sending from Iterable through SES shared pools?
- What are the best email verification services and strategies for deliverability, especially for higher education CRMs?
- How do HTML email size, TLD, attachments, and domain reputation affect deliverability and open rates?
- How do SPF, DKIM, and DMARC email authentication standards work?
- What are Mail.ru's DMARC, SPF, and DKIM alignment requirements?
- What are BIMI best practices for domain setup and VMC implementation?
- Which email service providers do not support TLS?
- Do DMARC and BIMI require p=reject to be present on the organizational domain?
- What causes the Gmail authentication alert and how to resolve it?
- Do Yahoo and Gmail require DMARC authentication for senders?
- What are the options for dealing with overstuffed SPF records exceeding DNS lookup limits?
- When changing subdomains for email, is it better to change the 5321.from or 5322.from header for deliverability, and how does DKIM alignment affect this?
- How can I optimize my SPF record to stay within the lookup limit when using multiple email sending services?
- What are the best practices for email deliverability to QQ.com?
- What domain should I use for a PTR record for shared IPs?
- What is the quantitative impact of implementing DMARC on email deliverability and engagement?
- Who pays for the cost of spam and email delivery?
- How long does it take for BIMI logo to show in Yahoo and where is the BIMI status added?
- What are the DMARC requirements for BIMI and how does pct affect the policies?
- What checklist of things to check when switching from sending emails from a primary domain to a subdomain?
- What are the risks of GET requests on opt-out links?
- Should I use separate subdomains for marketing and transactional emails?
- How should I combine SPF records and what domain should I use with SendinBlue?
- How can I avoid the Gmail promotions tab and should I even try?
- How can I test bounce alerts and what are some example bounce email addresses?
- How can I prevent spammers from creating accounts via Zapier integrations?
- What are the best SVG conversion tools and guides for BIMI logo creation?
- How can email senders and users prevent and identify phishing emails?
- Is it important to include a plain text version in emails?
- How can I identify and handle bot clicks and opens, particularly from Microsoft/Outlook domains, in email marketing campaigns?
- What does authenticated IP or authenticated sender mean in email marketing?
- Which transactional SMTP providers offer granular control over sending volume and speed per ISP?
- What are the best resources for global email sending requirements and best practices?
- How effective is Google reCAPTCHA v3 in maintaining email list cleanliness?
- Should sending domains resolve to the same IP addresses as mail servers?
- Why am I getting TLS errors when sending to Gmail?
- Is DKIM domain alignment required for Google and Yahoo's new email sending requirements?
- When is SPF flattening needed and how to validate SPF records?
- How does DMARC policy application work with subdomains and CNAME records?
- How do I set up and use custom email domains with iCloud, and what are common issues with it?
- How much content is there to discuss about 5322 in an email authentication technical talk?
- How do I check if the sending IP address matches the IP address of the hostname specified in the Pointer (PTR) record?
- Why are ESPs recommending incorrect SPF record configurations?
- Is a DMARC policy with p=none valid, and does Gmail penalize it in Postmaster Tools?
- Can email signatures, especially via Exclaimer, cause SPF or DKIM failures and impact email delivery?
- Should my origination IP and outbound IP be the same when sending email?
- How do I prevent bounces from reaching the return-path when sending transactional emails via PowerMTA?
- How does Chrome blocking mixed content affect Salesforce Marketing Cloud email deliverability?
- Why does Sendgrid require two domain keys?
- Is a notary required to get a VMC for BIMI?
- Can DKIM be set up on a subdomain, and which domain should be used for signing?
- What are common deliverability issues encountered when migrating to Klaviyo?
- Is G Suite email processed by the same tools as Gmail?
- Why does SpamAssassin give positive score for DMARC reject and MIME_NO_TEXT or LONG_INVISIBLE_TEXT?
- What are the differences between CMC and VMC certificates, including cost and requirements?
- How to track deep links when ESP link wrapping breaks them?
- How to regenerate GPT TXT record after removal from DNS?
- What are the best practices for setting up SPF, DKIM and DMARC for email authentication?
- What special characters are allowed in email address syntax according to RFC 5322 and how do different email providers handle them?
- How does a domain change affect email deliverability and what steps should be taken to prevent issues like Gmail warnings?
- What is double DKIM signing and when is it necessary for email authentication?
- How do I setup and manage transactional emails through my own SMTP server?
- What are the risks and best practices for using mailto links in marketing emails?
- How can I effectively avoid spam filters when sending emails?
- What are IDN/Punycode domains and what does a screwed up Gmail authorization record look like?
- How do I handle spoofing when DMARC reject is set but not enforced on inbound mail server?
- Will OpenDKIM wildcard configuration work?
- Does DMARC guarantee emails will not be flagged as spam?
- Which corporate filter appliances or software follow links in emails?
- Why are there invalid characters in my email subject line?
- What are alternative words for blacklist in email marketing?
- What are common terms for the envelope.from domain in email marketing?
- What are affordable DMARC service alternatives for small businesses?
- Why does my header.from differ from my message from, and what is the correct setup for one-click unsubscribe?
- What DMARC policy settings are required for BIMI and how do I determine the best setting for sp=?
- What are the options and considerations for pointing an SFMC email subdomain to multiple NS servers?
- How strict are VMC logo requirements for trademarked logos with off-center text?
- How to set up BIMI records for multiple subdomains while excluding the parent domain?
- What are the best DMARC friendly discussion list software options for Windows shops that want managed services?
- What are the best practices for implementing a DMARC policy, and should you use reject or quarantine?
- What are common phishing issues with Sendgrid and Mailgun and how are they addressed?
- Is DKIM configuration sufficient for Google Workspace and O365 email authentication?
- What are some good resources for learning about SPF, DKIM, and DMARC?
- What does a blue checkmark mean in a cold email and how legitimate is an email from AlphaSights?
- How do I re-assign domain ownership in Google Postmaster Tools?
- How do I set up automated list management techniques in SFMC to keep deliverability high?
- How long to wait before sending email after fixing DNS records after a DNS provider change?
- How do spamassassin rules affect email deliverability?
- How can I intentionally send a newsletter to the spam folder?
- How can I track email traffic sources using Google Postmaster Tools and DMARC reports?
- How to safely send customer support emails from a root domain when using a third-party platform?
- Does hosting images locally on an ESP CMS improve email deliverability compared to external hosting like AWS?
- What is the impact of updating reverse DNS on an MTA and what are the best practices?
- How do I transition to a new ESP while maintaining sends on my current platform using the same domain?
- Why did Shopify send DMARC setup emails to users who already have DMARC records?
- How do I fix the MXtoolbox SPF record DNS lookup limit exceeded error?
- How should companies handle out-of-office replies from transactional emails?
- How do I show 'signed by' my domain when using Amazon SES or Mailchimp?
- Why are Apple Business Connect logos not showing in Apple Mail even after domain and email verification?
- How can I verify if my company's emails have List-Unsubscribe headers correctly configured?
- When is SPF flattening necessary for email authentication?
- Is Yahoo Japan currently supporting BIMI?
- What are the implications of disabling TLS 1.0/1.1 for outgoing email and what alternatives are available?
- Does a sending IP address need to accept incoming SMTP connections for email deliverability?
- How to reduce HTML email file size to avoid clipping in Gmail?
- Is BitNinja a legitimate company and can their blacklist be trusted?
- What are the steps for BIMI verification and logo display?
- Is it safe to email DNS records?
- What is the cost of VMC certificates and are there cheaper alternatives?
- How does primary domain authentication affect subdomain deliverability and compliance?
- Will BIMI work if the BIMI TXT record is on the subdomain, and how long does BIMI take to appear in Gmail?
- Does using base64 vs UTF-8 HTML/Text impact email deliverability?
- What is backscatter and how does it work in email?
- What does the Gmail Actions user agent in unsubscribe requests indicate?
- How do I grant someone access to my SNDS account?
- How do PowerMTA's retry-after, max-connect-rate, max-smtp-out, max-msg-per-connection, and max-msg-rate directives work?
- How can I change the retransmission time in Postfix?
- Can a trademark owner authorize a third party to use their logo for BIMI?
- Is BIMI required for Gmail Markup and what setup is needed for AMP?
- Is it possible to sign the MAIL FROM address using OpenDKIM?
- How can I expedite the VMC certificate issuance process?
- How is DKIM precedence determined when double signing emails?
- What is the step by step process to setup a subdomain in Godaddy for email?
- How should I configure DMARC for multiple domains and when should I implement a reject policy?
- Should ESPs force DKIM and DMARC on paid customers, and what are the implications and downsides?
- What are the requirements for using a word mark with BIMI?
- What is the difference between ESMTPS and ESMTPSA in email headers?
- What are the updated Google bulk sender guidelines and TLS requirements for email senders?
- What are the BIMI requirements for SVG files and Yahoo brand recognition?
- Does a VMC SVG logo need to exactly match a trademarked logo?
- What benchmarks should email marketers target and why?
- Do I need multiple DKIM records if I use multiple ESPs like HubSpot, Sendgrid and ActiveCampaign?
- How should I roll out DMARC enforcement while considering forwarded emails and DKIM issues?
- How long does it take for a BIMI logo to update in Yahoo cache and how to fix SVG logo errors?
- Should I change SPF from ~all to -all when using DMARC quarantine?
- What Microsoft domains should I exclude from my email segmentation?
- How can I monitor PowerMTA queue sizes by domain and set up alerts for stuck emails?
- How to add DKIM record for owned domain in Salesforce Marketing Cloud (SFMC)?
- How can I determine if a company's email is using Gmail or Yahoo under the hood?
- How to handle DMARC failures when email is forwarded by recipients?
- How do I improve email deliverability to Hotmail and avoid the spam folder?
- How will Google and Yahoo's new email authentication policies affect senders using shared domains and ESP authentication?
- How do email list cleaning companies clean millions of emails daily and avoid being blocked?
- How can I intentionally deliver emails to the spam folder?
- Will disabling email forwarding impact deliverability between SFMC and Service Cloud?
- What are reliable methods to identify and prevent bots from submitting forms outside of double opt-in?
- How do ESPs manage internal vs client deliverability responsibilities?
- What happens to Gmail Updates if user does not have tabs enabled?
- What are some commercial Mail Transfer Agents (MTAs)?
- Will a VMC work on a subdomain if the subdomain isn't explicitly listed in the certificate?
- How to determine if an email address is a Google Workspace account?
- How can I resolve SPF record lookup limits with Netfirms webmail?
- Why does SPF fail for Google Apps with passing DKIM when using Google Calendar invites?
- How can I find out when my VMC expires?
- How long does it take for DNS record changes to propagate?
- What causes 'Line Too Long' Docomo.ne.jp bounces and how to fix?
- Should the Return-Path domain be different from the From domain in email headers?
- What is DKIM oversigning, how does it work, and why is it important for email authentication?
- How do Gmail tabs affect political and advocacy emails, and what are potential solutions?
- How will the Google and Yahoo 2024 email sending changes impact email marketers?
- Should the X-originating-IP header be removed for email deliverability and security?
- What is the best DMARC, DKIM, and SPF setup for marketing and transactional emails sent from different subdomains?
- How does Gmail handle dots in email addresses and can it cause issues?
- Does email size affect spam trap triggers?
- What is the purpose and impact of the 'external' label in Google Workspace emails?
- How can I implement a DMARC reject policy for non-existent domains to prevent spam?
- How can I identify the SMTP provider from an MX record?
- Is DigiCert the only working VMC issuer for Google BIMI?
- What are the best practices for minimizing bot signups on email forms?
- Why do security teams allow cousin domains for email marketing instead of subdomains?
- What are the best ways to check for and prevent email typos on signup forms?
- How to find DKIM record without selector?
- How can lotteries improve email deliverability for win notifications to avoid spam filters?
- How do I set up DMARC records for subdomains?
- How do I verify multiple domains in Mailchimp to fix DMARC and DKIM issues?
- What steps should I take when setting up a new email server for outbound emails, and what are the best free MTA alternatives to Exim4?
- Does using Google Fonts preconnect links in emails negatively affect SpamAssassin reputation?
- Why doesn't Brevo offer full SPF alignment and how much does it impact deliverability?
- What are the requirements to implement BIMI, and which providers support it?
- What are appropriate KPIs for compensation based pay for email deliverability roles?
- What are the recommended SVG dimensions for BIMI and how should I create the SVG?
- How do I set up BIMI? Is a VMC certificate always required?
- Which ISPs use DKIM domains for Feedback Loops (FBLs)?
- How to identify and handle spoofed emails violating DMARC policies?
- Why does including plaintext versions of emails increase bot activity?
- How do I sign DKIM on a sender domain that isn't the primary domain while using Hubspot?
- How long does it typically take to get a response from the Google Postmaster Team and how to improve deliverability?
- What are the requirements and alternatives for implementing BIMI with VMC certificates, especially regarding trademark jurisdiction and costs?
- How can I prevent bots from signing up for my newsletter and marking it as spam?
- How does DMARC impact email forwarding and deliverability?
- Why is it important to use HTTPS for links and images in email marketing?
- What are Barracuda custom rules and how do they work?
- Is BIMI easily spoofed and are there drawbacks to BIMI implementation?
- What is the best practice for setting up DMARC for Shopify users?
- How to ensure one-click unsubscribe displays correctly on both mobile and desktop, and prevent accidental unsubscriptions?
- How can I prevent bot clicks from overwhelming my B2B website after sending emails?
- How can I prevent brand and sender profile impersonation in emails and what actions can I take?
- How does XS4ALL handle DMARC enforcement and DKIM signatures?
- How do I add a TXT record to a DNS configuration for Google Postmaster?
- Where can I find advanced email deliverability training?
- What are the requirements for BIMI SVG files and how do I validate them?
- If DMARC passes but SPF fails, what are the concerns and impacts on email deliverability?
- How can I prevent non-human interaction (NHI) during email signup and confirmation?
- How do I set up DMARC for BIMI and what are the key considerations?
- How do I update or change a BIMI logo for Yahoo and what are the size recommendations?
- How do I integrate an external SMTP with Klaviyo?
- How can I identify and remove email addresses submitted via list bombing?
- How do I find the domain registrar and nameservers used by Shopify?
- Can link security checkers cause false no-js reports in email analytics?
- How can I prevent spam bot signups on my website?
- Is VMC mandatory for BIMI implementation?
- Why does SPF alignment show as 0% on Validity, even when SPF passes?
- Do email security software solutions click hyperlinks in emails?
- Are SPF, DKIM, and DMARC records necessary for transactional email servers not used for marketing?
- How to set up DMARC reports and what are the best practices?
- Should I add SPF records to both sender domain and envelope domain?
- Where can I find industry resources about email service provider deliverability changes?
- Why is DKIM alignment with the 5322.from domain important for email authentication?
- How does SPF alignment work with DMARC in HubSpot, and what are the implications for shared and dedicated senders?
- What are MTA-STS reports and why am I getting them from Google?
- What are the pros and cons of DMARC, and is it worth implementing for email authentication and reporting?
- How to identify and handle email forging and replay attacks?
- What is universal SPF and how does it help fix broken SPF policies?
- How can I identify misspelled email domains in my database?
- How do I configure reverse DNS (rDNS) with multiple IP addresses for email sending?
- How will VMCs be adopted following Gmail's BIMI pilot launch and DMARC discussions?
- What is Zmail and what features does it offer as an email client and service?
- Can a sender modify SPF records to alter SPF checking behavior?
- How do I set up Apple Business Connect and what are the requirements?
- What does it mean when SPF is not aligned in a DMARC report and how does it affect deliverability?
- How will Gmail enforce new email authentication requirements and what should senders do?
- Why is DKIM failing and how do I set it up for a subdomain?
- What are the current DMARC adoption rates and future expectations?
- Do I need to include Mailchimp's SPF record in my domain's SPF if Mailchimp handles the bounce address?
- What alternative email tracking mechanisms exist for government emails when open and click tracking is unreliable?
- Why does Google Postmaster require a TXT record for a subdomain when the main domain is already verified?
- What DNS records are required for the new Yahoo Complaint Feedback Loop (CFL) and can ESPs manage this for clients?
- What are good alternatives to Validity certification for email deliverability?
- Do subdomains need their own DMARC records if the main domain has one?
- What are the potential adverse consequences of enabling DNSSEC?
- How do I implement BIMI for email verification in Gmail and Yahoo?
- Will Apple Mail Privacy Protection affect Mac OS Monterey users and Outlook?
- How does URL length affect email deliverability?
- Why do senders use single-character third-level domains in email?
- What are some domains that publish BIMI records?
- Should I configure SSL or TLS on my sending domains for email marketing?
- Does BT (btinternet.com) honor DMARC policies?
- What are the best updated resources for understanding DMARC and email deliverability?
- Does Gmail accurately track email opens?
- Can DMARC reports be sent without RUA or RUF addresses?
- Why do B2B data capture forms reject records when website and email domains don't match?
- Should I set up a subdomain for SPF records for email marketing?
- What is the future of email deliverability and how will AI impact spam filtering?
- How to set up BIMI with a shared IP?
- What are the attachment and message size limits for different mailbox providers?
- How do I add a background color to my BIMI SVG logo?
- Do I need domain host access to update DMARC records?
- How can I prevent bots from attacking my email database?
- How do I set up Outlook SMTP authentication with 2FA and OAuth2 for GlockApps?
- Do I need a VMC for BIMI to work with Google and Gmail?
- What are common confusions in email authentication and DMARC reporting?
- Where can I find a list of all mailbox providers and their domains?
- Why is DKIM key rotation recommended, and what key length is secure?
- Why does Klaviyo DKIM sign the List-Unsubscribe header, and what are the implications?
- How can I prepare a logo for BIMI/VMC without using Adobe Illustrator?
- How can I prevent my emails from going to the promotions tab in Gmail?
- What is the difference between DKIM and DomainKey and how do you implement DomainKey?
- What DNS records are required to solve '450 4.1.8 Sender address rejected: Domain not found' errors?
- What tools and tips can improve email deliverability for a B2C onboarding flow with many Gmail addresses?
- How does turning on DKIM impact domain reputation and email deliverability?
- Can I set DMARC to reject if my domain doesn't send email?
- How can I minimize bot clicks in email marketing and what are the best methods for identifying and filtering them?
- What are the requirements for RUA and RUF in DMARC policies?
- What are the potential issues with removing HTTP/HTTPS from email deeplinks to prevent ESP wrapping?
- What are the challenges and solutions for nonprofit email deliverability and how to contact Spamhaus?
- Will iOS Outlook 'Read More' clipping impact email deliverability?
- How can I protect my domain from being spoofed and blacklisted?
- What is the best practice for using IP addresses in SPF records?
- Are there benefits to sending email from regional IPs?
- Is VMC mandatory for Gmail logo display, and what are the alternative methods?
- How to set up a scalable blackhole email domain for testing?
- Do small email senders need their own SPF/DKIM records or can they rely on their ESP?
- Should I use reCAPTCHA on email verification landing pages?
- Will SPF and DKIM on a subdomain but delivering emails through a main domain cause an issue?
- What is the correct order for SPF, DKIM, and DMARC checks?
- What is a good strategy for aggressively warming a new email domain?
- How to format messages according to RFC 5322 for Gmail sender guidelines?
- How do the new Gmail/Yahoo changes affect sending from a branded domain with DMARC alignment?
- How can I monitor Gmail SMTP response codes for bounce monitoring?
- Why are there two domains in the 'Mail From' field of an email header, and how does it affect deliverability?
- Why are automated scripts and crawlers opening my emails, and how can I identify and exclude them from tracking?
- Why do emails to .com domains send faster than other TLDs and what factors affect email sending speed?
- How can I implement a strict DMARC policy without blocking Google Workspace emails?
- How to build an email allow list using MX records for initial email validation?
- Why might an email provider not honor a DMARC p=reject policy?
- How can I identify all Microsoft owned inboxes to exclude them from email audiences?
- What is the dig tool useful for in email marketing?
- Why does the Outlook app display the URL behind href links in the email content?
- How to access older content and should Email Geeks use Slack or Discord?
- Who is using AMP in email and what are the roadblocks?
- How often do I need to register with Google to send AMP emails?
- How does Apple Mail Privacy Protection (MPP) affect the tracking of email opens and clicks, and how are machine opens categorized?
- Should I block emails containing the word unsubscribe?
- Do Gmail profile pictures still work for mass emails and what are the alternatives for displaying logos?
- How do challenge response systems affect senders and third parties?
- How to manage test email addresses and domains for email marketing client engagements?
- What device or application can provide throttling and load balancing rules in front of the MTA?
- Where can I find example DMARC RUA reports?
- Why is Gmail gaining email market share?
- What causes Gmail DKIM domain rate limiting errors and how are they related to SPF?
- How do I implement BIMI for multiple brands with subdomains?
- What are the advantages and disadvantages of double signing DKIM by ESPs?
- Does using TLS matter for email deliverability or inbox placement?
- How do I setup a subdomain for email sending with Klaviyo?
- What is DKIM v2 and what are its benefits?
- How to set up SPF without ESP documentation?
- What are the top ISPs and mailbox providers in the UK?
- What is the value of BIMI and when does implementing it not make a difference?
- How to prevent malicious password reset abuse and hard bounces?
- Should I include List-Unsubscribe headers in transactional emails and what are the DKIM best practices?
- Is it bad practice to send email from a domain without an MX record?
- What steps can I take to stop someone from spoofing my email address?
- What is the current state of IPv6 for email sending and what are the challenges and best practices?
- How to remove the 'via' message in Gmail when sending from a subdomain?
- Is Yahoo blocking emails from self-hosted IPs?
- What are best practices for BIMI logo usage, especially regarding multiple logos and selector support?
- How to implement BIMI on a subdomain without affecting the main domain or transactional emails?
- What are the lists of subdomains for major email providers like Google, Microsoft, Yahoo, and Apple?
- How do I find the DKIM selector for my domain in Dmarcian or Hubspot?
- Does Google pre-fetch images differently in Gmail promotions tab vs inbox?
- How did Yahoo update their FBL ARF format and how did it impact ESPs?
- How to configure SFMC to send on behalf of sales reps with DKIM/DMARC authentication?
- How complex is the SPF spec for building an SPF checking library?
- What are common connection and message limits imposed by different email providers?
- How can I display a logo in Yahoo Mail without DMARC/BIMI records set?
- How can I improve Gmail open rates for my e-commerce emails?
- Why is outbound TLS important for email marketing?
- How do you store and manage vast amounts of MTA log file message header data?
- What impact does BIMI have on email KPIs like clicks, conversions, and revenue?
- Why are email security filters auto-clicking links in opt-in emails with Javascript and how can I prevent it?
- What are some examples of old or unusual email domains found in databases?
- How do I set up an SPF record when using multiple email sending services?
- How do email clients generate unsubscribe links, and what best practices should be followed?
- What file types are supported for BIMI logos and are animated logos allowed?
- Is it possible to alias DKIM records, and what is NS delegation?
- Do government agencies block HTML emails?
- What are pro tips to optimize email deliverability from HubSpot?
- What do PTR and HELO records mean in relation to AT&T email blocking, and whose responsibility are they?
- What domains use Charter MX records, including Time Warner and RoadRunner?
- What is the value of setting up an SPF record when ActiveCampaign already manages it?
- How can a phishing email pass SPF and DKIM authentication checks?
- What causes a DMARC record to not propagate correctly on GoDaddy?
- Why is Apple distrusting Entrust CA and VMCs, and what are the alternatives?
- Where are out-of-office (OOO) messages typically delivered?
- What are the benefits and requirements of BIMI for email deliverability and branding?
- What is the pricing and approach behind VMC (Verified Mark Certificates) and BIMI (Brand Indicators for Message Identification)?
- How can I contact Proofpoint for developer-related questions?
- What happened with the FBI email infrastructure compromise in November 2021?
- When should domains be allowlisted for email sending?
- How long does it take to warm up an IP address for email marketing?
- What does it mean when an email has multiple DKIM signatures?
- What does an Authentication Results Header contain when DKIM passes but DomainKeys fail?
- What are the best practices for SPF records and avoiding CNAMES for email authentication?
- How to verify a domain in Google Postmaster Tools?
- Can I use my TLD for SAP with Marketing Cloud when it's also used for corporate email?
- What are the best DMARC handling and reporting solutions?
- What are the opinions on PowerMTA vs MailerQ MTA, and what are the pros and cons of self-hosted MTAs versus cloud MTAs?
- How can I filter and sanitize a large list of email domains using DNS and other techniques?
- How does Google Workspace handle DMARC alignment for multiple domains?
- Is subdomain mail.domain.com reserved for email purposes?
- Will BIMI work on multiple levels of subdomains?
- Does Cvent support SPF and DKIM alignment?
- Can Proofpoint implementation and MX record changes during IP warming affect email deliverability?
- What deliverability benefits do I get from FCrDNS? How should I set up SPF records using Sparkpost?
- How can I hide my mail server IP address or mitigate attacks against it?
- Are people using 4096-bit DKIM keys, and what is the recommended DKIM key length?
- How to solve return-path issues when sending from multiple domains in Google Workspace?
- What are the best practices for using SPF flatteners and managing SPF records?
- What does SPF neutral mean and how do I fix a broken SPF record?
- How does Klaviyo handle domain authentication without SPF, DKIM, and DMARC records?
- How does TLS inbound affect email deliverability and sender confidence?
- What is the best way to estimate US consumer email inbox market share between Gmail and Apple Mail?
- Is a plain text email version important for email deliverability?
- What are the costs and steps for implementing BIMI (Brand Indicators for Message Identification)?
- How do I find the postmaster contact email for freenet.de?
- What is the best way to identify all company mail streams and sending tools?
- Does BIMI trickle down to subdomains and how to control subdomain BIMI display?
- What is the best way to authenticate with Gmail Postmaster API using OAuth 2.0?
- Why does Apple use a stub BIMI record on its primary user email domain?
- How do I setup domain authentication with different email and website domains?
- What is a custom DKIM signature and what are the benefits and best practices for using it?
- What causes the wrong logo to appear next to the sender ID in Yahoo Mail if BIMI isn't configured?
- Should I still send multipart/alternative emails?
- Can URL parameters be captured without a question mark delimiter?
- What could be the purpose of a spammer sending emails with invalid 'To' addresses and valid 'Return-Path' addresses?
- What are the best methods to prevent spam email subscriptions and subscription bombing?
- Does DMARC improve email deliverability and should ESPs push senders to set it up?
- Will ISPs respect custom headers added to outbound emails for tracking replies when the subject line changes?
- How is the coronavirus impacting businesses and hiring?
- Is email tracking dead and should marketers stop using open rates?
- Should SPF hardfail be enforced if DMARC is in place?
- What methods can be used to validate email accounts at the code level?
- How can I stop someone from using my email address to send spam?
- Against which domain is SPF checked?
- What are the pros and cons of 1024-bit vs 2048-bit DKIM keys?
- How do I create an image pixel for tracking email opens and clicks?
- How does relaxed domain alignment work in DMARC and SPF?
- What impact does malformed HTML have on email deliverability and spam filtering?
- Does Microsoft support RFC 8058 list-unsubscribe-post?
- Why is Gmail rejecting unauthenticated email from gmail.com due to DMARC policy when sending via Sendgrid?
- How to authenticate Aftership with am-sns.com to pass SPF and DKIM for DMARC?
- How does ARC impact email deliverability for DMARC-enforced domains, and what are the best practices for marketers?
- Does Microsoft Outlook support BIMI for displaying brand logos in email?
- How do I interpret SCL scores in Microsoft headers?
- How do I test and validate one-click unsubscribe functionality in Salesforce Marketing Cloud (SFMC)?
- Is an email address with a dot before the @ symbol valid for Gmail?
- Where to find DMARC project leads?
- Why do email open rates vary for specific languages and countries?
- How do I properly set up a DMARC record on Wix and when should I change the policy?
- How can I identify the ESP used to send a spam email using the email headers?
- What are the current Yahoo mail server names and infrastructure?
- Is DMARC reject policy mandatory for From and Return-Path alignment?
- Why does MXToolbox report SPF as too think while other tools show a higher score?
- Which major Mailbox Providers (MBPs) use Cloudmark for spam filtering?
- How do I set up DNS records for GoDaddy, Outlook, Gmail, and Yahoo to be ready for email authentication updates?
- How do I generate an a=rsa-sha256 key for DKIM?
- Do X-Headers negatively impact email deliverability?
- Is using different host name subdomains pointing to IPs a potential flag for email deliverability?
- Who are the best deliverability experts and tools for auditing email performance?
- How do B2B email filters interact with personal email accounts and modify message text?
- When switching DMARC configuration from none to quarantine, is it best to do so in increments, or all at once?
- How does Apple Private Relay encode email addresses and how does domain whitelisting affect deliverability?
- Will Yahoo and Google require DMARC p=quarantine or p=reject in 2025?
- How to use DKIM to sign emails with different header from domains to comply with DMARC?
- How do DMARC quarantine and reject policies affect sender reputation and email delivery?
- How to identify if a company uses email filtering/security measures like Mimecast or ProofPoint?
- Does the sender-id header impact email deliverability?
- When did Cox.net change their MX records?
- What are the main domain names used by large free email providers and ISPs?
- How do I validate my SPF setup in Marketo?
- How does the absence of DKIM affect email deliverability when SPF is passing and DMARC is aligned?
- Why do some ESPs require unnecessary SPF includes for DKIM, and what are the dangers of this practice?
- What are the best practices for email deliverability and avoiding spam filters?
- Does base64 encoding of plain text emails impact spam filter scores?
- How to configure Mailman with DMARC and handle Gmail deliverability issues?
- Will DMARC pass with aspf=s if SPF record is on a subdomain?
- How does Brave browser impact email attribution and Google Analytics?
- How important is the 10 DNS lookups limit on SPF records?
- Can sending email from IPv4 cause delivery issues to IPv6 recipients, and how can I ensure compatibility?
- How can I load balance incoming emails across multiple servers using MX records?
- How to improve email delivery rates to WP and Onet mailboxes?
- Is Google applying SPF checks to EHLO values for stricter email authentication?
- Can AMP code in emails cause increased spam placement in Outlook and Hotmail, even if they don't render AMP?
- How does email forwarding affect SPF, DKIM, and DMARC validation?
- Does public vs private domain registration affect email deliverability?
- Is domain authentication required for all Mailchimp senders after Gmail and Yahoo changes?
- Why is MIME encoding headers in emails invalid and what are the consequences?
- How do DMARC policies and RUA/RUF settings inherit or override each other between a domain and its subdomains?
- How does missing or different reverse DNS (rDNS) impact email deliverability, and when is a dedicated IP address needed?
- Are SPF, DKIM, and DMARC as important in B2B as in B2C email marketing?
- What SPF, DKIM, and DMARC settings are needed for Klaviyo and BigCommerce transactional emails?
- How to apply BIMI to a specific subdomain instead of the entire domain?
- How does rDNS impact email deliverability when using dedicated IPs?
- Why are challenge-response systems not effective for email deliverability?
- What are prefetch and proxy opens and what causes a decrease in email open rates?
- What are the challenges and benefits of using IPv6 for email deliverability?
- Do ESPs charge for dedicated IPs and how much do dedicated IPs cost?
- How to set up POP3 mailbox login for email deliverability analysis?
- Who should attest to a trademark for a Verified Mark Certificate (VMC)?
- Why is reverse DNS important for email sending?
- Why are telcos using Oracle MX hosts and how does Synacor relate to their email policies?
- How can I prevent Microsoft Defender from triggering unwanted one-click unsubscribes?
- What resources and skills are recommended for deliverability optimization?
- What are the implications of the new SMTP smuggling technique?
- How to setup Yahoo FBL with Sendinblue dedicated IP and Microsoft Office 365?
- Does using Microsoft O365 for business email affect email deliverability?
- How can I identify and prevent spam/bot traffic at email subscription points?
- What does the 'Mail From' mean in DMARC reports and how does it relate to SPF and DKIM for Zendesk?
- How important is it for reverse DNS to match SMTP banner for email deliverability?
- How to implement ARC (Authenticated Received Chain) and how does it affect DMARC failures from forwarding?
- Do all email service providers support DMARC, and what does 'support' mean in this context?
- What issues occur when adding DKIM record to DNS via CName with Cloudflare?
- Can old DKIM records from previous ESPs negatively impact email sending reputation?
- How do I properly set up DMARC records and reporting for email authentication?
- Do PTR records and HELOs impact email deliverability?
- Are DMARC RUA and RUF tags mandatory for compliance and what are their benefits?
- What should I do if my email domain gets spoofed?
- How to estimate real open rates with Apple Mail Privacy Protection (MPP) and image caching?
- How long should an email verification link remain active?
- What is gmsil.com and is it a legitimate domain or a spam trap?
- Will Gmail junk folder affect machine generated opens?
- How to configure SPF when sending from a subdomain with a different 'from' email domain?
- When can you encode email addresses using RFC 2047?
- What DMARC/DKIM/SPF updates are needed for new Gmail/Yahoo requirements?
- How complex are inbox filters in determining email deliverability and placement?
- How does a full circle reverse DNS check work?
- How should DMARC, SPF, and DKIM records be configured for domains that do not send email?
- How can I group email messages together using Message-ID or VERP?
- How can I determine the ISP or mailbox provider of an email address?
- Should DMARC checks focus on SPF HELO or Return-Path and should you focus on DKIM or SPF?
- Does Pardot support BIMI and how can I configure it?
- What are considered good email marketing metrics for open and click rates in B2B, and what other metrics should I focus on?
- Do secure HTTPS links improve email deliverability?
- Are spam trigger word lists accurate and should I be concerned about them?
- How should opens be used as a metric for email marketing?
- How do I align SPF authentication with my sending domain in Google Postmaster Tools?
- What are the free DMARC reporting services and open source options?
- How do G Suite and Proofpoint compare for email gateway security?
- What cheaper log analysis alternatives exist for PowerMTA users compared to SparkPost Signals?
- Why are spoofed emails passing DMARC authentication with IPv6?
- Can BIMI logos be animated and how do Google profile images interact with BIMI?
- How can I improve signup confirmation email delivery rates for a new domain?
- Why am I getting Google bounces due to PTR record issues, even though my setup seems compliant?
- How do direct download links in emails affect deliverability and user experience?
- How can I lookup and categorize MX records for a large list of email addresses?
- Where can I find a list of domains using the Yahoo Feedback Loop?
- When should I use SPF hard fail vs soft fail?
- What are the best practices and considerations for using SPF record redirects?
- How do I implement a blue check mark on Gmail with BIMI and VMC?
- How do I configure DNS records to send emails from two different ESPs using the same subdomain?
- How to configure DomainKeys DKIM for email authentication and is it still relevant?
- Are there specific pixel width or SL line character limits that cause Microsoft to mark emails as spam?
- Does a DMARC record need to be associated with the _dmarc subdomain?
- What are some examples of common but unusual SPF and MX records?
- Does the DKIM domain need to align with the List-Unsubscribe domain?
- How does ProofPoint affect email authentication for organizational Outlook domains?
- What is the HTTP Referrer-Policy header and how does it relate to email sending and hosted images?
- Does BIMI require strict alignment between From and return-path domains?
- How does the pct tag in DMARC work when p and sp are set to none?
- How to sign DKIM with a 2048 bit key in Mailjet?
- How can I check if an email is sent from a dedicated or shared IP without contacting the ESP?
- Where can I find a list of temporary email service domains?
- How do I implement DomainKeys and is it still a relevant email authentication method?
- How do SPF, DKIM, and DMARC affect email deliverability with Cvent?
- How effective is AI personalization for cold emails, and does it prevent spam?
- Does using different domains in From and Reply-To email addresses affect deliverability?
- What is xn--gmil-1na.con and is it safe?
- How can I identify and prevent suspicious or bot-generated email addresses in my lists?
- How to handle email authentication for ESP customers without their own domains?
- What are the benefits of using CMC certificates for BIMI logos?
- What causes invalid RSA public key errors in DKIM records and how can I fix it?
- How do SPF records and DKIM keys work with multiple email services like Klaviyo and Shopify?
- Does clicking a link in an email reading pane count as a click with ESP tracking?
- Does the order of MAILTO and HTTPS in the List-Unsubscribe header matter?
- Can missing RUA records in DMARC cause email blocking by Microsoft domains?
- Does Constant Contact separate Apple MPP 'machine' opens?
- How do I align SPF and DKIM in Salesforce Service Cloud, and is it necessary if DKIM is already aligned?
- How do I properly set up SPF and DKIM records for email marketing, including handling multiple SPF records, IP ranges, bounce capturing, and Google Postmaster Tools verification?
- What does the SpamAssassin rule FONT_INVIS_MSGID test for?
- Do I need to re-warm my IP after changing the hostname associated with it?
- What are the considerations for using soft fail vs hard fail in SPF policies?
- Does including a plain text version of an email improve deliverability and conversion rates?
- How do Iterable shared infrastructure and Amazon SES handle SPF alignment and DMARC compliance?
- How do I fix SSL_ERROR_BAD_CERT_DOMAIN error for my email click tracking domain?
- Which mailbox providers support BIMI through Cloudmark, and how is it implemented?
- How does DMARC impact email deliverability, and what are the pros and cons of using it?
- Who are recommended email deliverability consultants and how can I contact them?
- What are some contest and event ideas for email deliverability?
- What will happen when Cox.net subscribers move to Yahoo Mail?
- When are separate SPF records needed for a domain and its subdomains?
- How do Google Groups impact DMARC when forwarding emails from multiple domains?
- How do AI assistants and MPP impact email open rates, and what are better metrics to measure outbound campaign effectiveness?
- Why are ESPs enforcing DMARC policies and what are the implications?
- What are the possible reasons for an increase in bot signups and how to detect/prevent them?
- How can I prevent transactional emails like account verification links from landing in the Gmail promotions tab?
- How does email code quality and size impact email deliverability?
- Should I authenticate my primary domain if it's only used for internal communications?
- What are the limitations to sending emails via gmail and what alternatives are there for time sensitive emails?
- How to control what's displayed on ISP unsubscribe link when List-ID is present?
- Can smtp.mailfrom be different from return-path and can bounces be returned directly to sender?
- What tools or scripts can fix common DKIM problems like formatting errors or length issues?
- Do I need a trademark in every country for BIMI?
- How does URL length in an email href affect email delivery and rendering?
- Why is Senderscore showing a subdomain I don't recognize?
- Why defend DKIM key size and what key sizes do ESP's support?
- Can I email users who have Apple's private relay email addresses?
- What are the best tools and practices for consolidating SPF records?
- How to set up Yahoo FBL with Google Workspace when postmaster@ is not allowed?
- How long does it take for BIMI to work after setup?
- How relevant is SpamAssassin scoring for modern email deliverability?
- How do Mail Privacy Protection (MPP) and Intelligent Tracking Prevention (ITP) affect click tracking in email marketing?
- When is VERP implementation necessary for attributing bounces in email marketing?
- Email operations role at Shopify.
- What are the best practices for email deliverability when using SparkPost and Amazon SES, including reverse DNS, blacklist monitoring, and handling dedicated IPs?
- Where can I find deliverability consultants for hire?
- What are the best lists of temporary email account generators and should they be blocked?
- What are the best resources for understanding and implementing DMARC and BIMI?
- What are the best domain verification services and privacy considerations?
- What is a Yahoo FBL and how do I set one up?
- How do I register with Gmail for Email Markup?
- How can spammers send emails from real addresses, and is this a DMARC configuration issue?
- Why do some ESPs recommend SPF records when they are not needed?
- How do I validate the structure of an email account and what are some valid email address examples?
- How can DMARC reports be enriched with user-level data for better domain enforcement?
- What are best practices for improving email deliverability when using Mautic and SMTP.com?
- How long does it typically take for anti-spam bots to click links in emails?
- Why is my CPanel DKIM record failing validation?
- Does having an MX record on the from domain improve email deliverability?
- What steps can I take to mitigate damage from email spoofing and prevent future occurrences?
- Do SPF and DKIM records need to be aligned for all email service providers?
- Why aren't my DKIM records validating even though they are accurate?
- When are plain text emails needed and which devices still use them?
- Does the order of mailto and https in List-Unsub header matter?
- How to resolve Gmail PTR record error when using Cloudflare?
- How will Apple's new inbox tabs impact email marketing and placement in Gmail?
- What are the reasons for seeing email addresses with a random number before the domain name, and how do I prevent them?
- What problems can occur when enabling HSTS without proper planning and communication with marketing teams?
- Should SPF records match the 'From:' address or the Return-Path domain when sending from Marketo?
- Should the 5322.from domain identically match the d= domain for optimum email delivery?
- What factors should be considered when selecting a transactional email provider for a SaaS startup?
- What are Apple's requirements for email authentication and domain registration?
- When is it ok to deliver email without an MX record?
- Do free email services click links in emails to check for spam?
- How do I perform a reverse DNS lookup and interpret the results?
- Does BIMI impact email deliverability?
- What are wildcard, DKIM, and DMARC best practices?
- Which ISPs deliver DMARC reports and what configuration is needed?
- Should I add an explicit DMARC record for subdomains?
- What are the best methods for identifying email sending vendors for DMARC enforcement?
- Where can I find resources to help me understand email headers?
- Does Movable Ink negatively affect email deliverability due to rendering delays?
- When and why should I switch from DMARC p=none to p=quarantine or p=reject?
- Why does Google Postmaster Tools report SPF failures for ActiveCampaign sends even when SPF passes?
- Should I use ~all or -all in my SPF record?
- What are the objectives and mitigation strategies for IP list bombing on email sign-ups?
- How to implement DMARC p=reject policy safely, especially when using ESPs like Mailchimp and GetResponse?
- How can I improve my email open rates and avoid spam filters?
- Is quoted printable text allowed in the List-Unsubscribe header?
- What are Microsoft SCL and BCL ratings and how do they affect email deliverability?
- How should I enforce DMARC policies for a bulk sender with p=none?
- What are SPF, DKIM, and DMARC, and when are they needed?
- How does Gmail email clipping affect email deliverability and open rates?
- What is the typical cost of a VMC certificate and are there ways to reduce it?
- How do I ensure email deliverability with different return-path addresses and subdomains?
- How can I test inbound starttls with a given external IP address?
- How do I implement DMARC with BIMI on multiple subdomains?
- How do I implement BIMI and get my logo to show in Gmail and Yahoo Mail?
- Can spam filters trigger email unsubscribes and how to prevent it?
- What causes DKIM key issues when DNS provider limits TXT record length?
- When setting up a subdomain, what A record should I use, and when should I use a CNAME?
- How do I update my Gmail avatar with a logo after switching from SFMC to Braze?
- What is a dotted hostname in the context of email and DNS records?
- Does the location of my email server affect deliverability to different countries?
- How important is DMARC for email and spam protection, and when should it be enabled?
- How to configure SPF, DKIM, and DMARC when sending marketing emails from a subdomain but signing with the primary domain?
- Can I use DMARC with shared IP addresses?
- How can I prevent bot signups on my email newsletter form?
- What are the key differences between BIMI certificate vendors Entrust and DigiCert?
- How do anonymous questions work in Slack channels?
- How to quickly identify DKIM key length (1024 or 2048)?
- How does BIMI logo display differ between promotional and personal emails across different email providers?
- How are bad actors using Google Forms to send spam?
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