What are the best updated resources for understanding DMARC and email deliverability?
Summary
What email marketers say8Marketer opinions
Email marketer from Litmus.com explains the importance of maintaining a good sender reputation by sending relevant content, engaging with subscribers, and avoiding spam traps. A positive reputation improves deliverability.
Email marketer from Reddit user u/EmailPro2024 suggests starting with a relaxed DMARC policy (p=none) to monitor email traffic and identify legitimate sending sources before moving to stricter policies like quarantine or reject.
Email marketer from Mailjet.com shares tips for improving email deliverability, including using a dedicated IP address, segmenting email lists, and regularly cleaning inactive subscribers. They also recommend monitoring sender reputation.
Email marketer from StackOverflow says that reverse DNS records are very important. Ensure the IP address of your mail server has a matching PTR record. This validates the server's identity.
Email marketer from Postmarkapp.com offers a guide on setting up DMARC, detailing the steps involved in creating a DMARC record and interpreting DMARC reports. They emphasize the importance of starting with a 'p=none' policy.
Email marketer from Emailonacid.com advises using email deliverability testing tools to check spam scores, authentication status, and inbox placement before sending campaigns. This helps identify potential deliverability issues.
Email marketer from ReturnPath.com (archived content) explains that inbox placement is a key metric for deliverability. They advise monitoring inbox placement rates to understand how many emails are reaching the intended recipients' inboxes.
Email marketer from SparkPost.com explains the roles of SPF and DKIM in email authentication, highlighting how they verify the sender's identity and prevent spoofing. They emphasize the importance of properly configuring these records.
What the experts say7Expert opinions
Expert from Email Geeks shares links to the Auth section on Spam Resource for articles about DKIM, SPF, DMARC, BIMI, etc., as well as a "Deliverability Terms" section with definitions and a free "Monitor" solution from Valimail.
Expert from Email Geeks mentions that while DMARC hasn't changed technically much recently, there's an increased expectation for bulk senders to use basic authentication.
Expert from Email Geeks shares an overview of different authentication frameworks and explains what they are for, providing context before deeper exploration.
Expert from Spam Resource defines DMARC and explains that it is a policy that tells email receivers what to do with messages that fail authentication checks. It allows domain owners to specify how unauthorized emails should be handled.
Expert from Word to the Wise provides an overview of different authentication frameworks, covering SPF, DKIM, and DMARC. It explains the purpose of each and how they work together to improve email security and deliverability.
Expert from Spam Resource explains what BIMI is and how it can be used to display brand logos in email inboxes. To leverage BIMI, you need DMARC set to quarantine or reject.
Expert from Email Geeks explains that TXT records in DNS are used by many protocols to store information, and their use doesn't necessarily imply a commonality between those protocols; they are just an implementation detail.
What the documentation says5Technical articles
Documentation from dmarcian.com provides an overview of DMARC, explaining that it's a DNS TXT record that specifies how email receivers should handle messages that fail SPF or DKIM checks. It helps prevent email spoofing and phishing attacks.
Documentation from Google Workspace Admin Help outlines the steps to implement DMARC for a Google Workspace domain. It covers creating a DMARC record, publishing it to DNS, and monitoring reports to ensure compliance.
Documentation from Microsoft details settings and configurations to improve email delivery when sending mail to Outlook.com inboxes. It recommends to use the Feedback Loop (FBL) program to monitor complaints and ensure you are on any safelists.
Documentation from Valimail.com explains how DMARC monitoring helps identify and prevent unauthorized use of your domain in email. It involves analyzing DMARC reports to identify sending sources and authentication failures.
Documentation from M3AAWG outlines best practices for email authentication, emphasizing the importance of using SPF, DKIM, and DMARC together. They recommend regularly monitoring DMARC reports and adjusting policies as needed.