What resources help explain IP addresses, sub-domains and domains reputation for sending?
Summary
What email marketers say9Marketer opinions
Email marketer from GlockApps answers to monitor your IP reputation, check if your IP is blacklisted using various online tools and services.
Email marketer from EmailVendorX Blog answers Regularly monitor your sender reputation using tools provided by mailbox providers like Google Postmaster Tools.
Email marketer from Litmus shares to Avoid spam traps, clean your email list regularly and use a double opt-in process.
Email marketer from Reddit shares IP warming slowly. Don't send too many emails at once. Increase your volume gradually over several weeks.
Email marketer from SendPulse explains that using subdomains for transactional emails helps isolate reputation. If your marketing emails have deliverability issues, it won't affect your transactional emails.
Email marketer from Email Marketing Forum explains using a dedicated IP address gives you control over your sending reputation but requires careful management.
Email marketer from Mailjet shares that domain reputation is essentially a credit score for email sending. It determines whether mailbox providers trust your emails enough to deliver them to the inbox.
Email marketer from Quora shares Implementing SPF, DKIM, and DMARC is crucial for authenticating your domain and improving deliverability.
Email marketer from ReturnPath shares to Implement feedback loops to identify and remove subscribers who mark your emails as spam.
What the experts say3Expert opinions
Expert from Word to the Wise, Laura Betterly, explains that sender reputation is calculated by mailbox providers based on factors like spam complaints, bounce rates, and engagement metrics. Maintaining a positive reputation is crucial for inbox placement.
Expert from Email Geeks shares notes from a class on the technical bits of email deliverability.
Expert from Spam Resource, John Levine, explains that setting up SPF (Sender Policy Framework), DKIM (DomainKeys Identified Mail), and DMARC (Domain-based Message Authentication, Reporting & Conformance) records helps to improve your domain's reputation and prove to email providers that you are who you say you are.
What the documentation says8Technical articles
Documentation from Google Workspace Admin Help explains that your sending IP address's reputation is a key factor in whether Gmail delivers your messages to the inbox, or the spam folder.
Documentation from RFC details that SPF records specify which mail servers are authorized to send email on behalf of your domain.
Documentation from DMARC shares that DMARC policy allows domain owners to tell receiving mail systems what to do if an email fails SPF and DKIM checks.
Documentation from SparkPost explains IP warming as the process of gradually increasing the volume of email sent from a new IP address. This process is important for establishing a positive sending reputation with mailbox providers.
Documentation from Microsoft Learn shares that Factors that affect your sender reputation include: IP address reputation, Domain reputation, Accuracy of the 'From:' address, Complaint rate, etc.
Expert from Email Geeks shares a directory document with links related to deliverability.
Marketer from Email Geeks shares the M3AAWG's Sender Best Common Practices and other best practices.
Documentation from DKIM shares that DKIM signatures provide a way for email senders to cryptographically sign their messages, allowing recipients to verify the message's authenticity.