How to resolve Yahoo inbox delivery issues during IP warming?
Summary
What email marketers say11Marketer opinions
Email marketer from StackOverflow explains to check that your IP address has a valid reverse DNS (rDNS) record. Yahoo uses rDNS to verify the legitimacy of sending servers, so it's important to make sure it's properly configured.
Email marketer from GlockApps Blog answers that maintaining excellent list hygiene is crucial during IP warming. Sending to invalid or inactive email addresses can damage your sender reputation and make it more difficult to reach Yahoo inboxes.
Email Marketer from Email Geeks shares that opening a ticket with Yahoo resolved the matter immediately.
Email marketer from Mailjet Blog shares about the importance of monitoring blocklists during IP warming. If your IP ends up on a blocklist, it can significantly impact your deliverability to Yahoo inboxes.
Email marketer from Quora responds that creating engaging and valuable content is key to inbox placement with Yahoo. If recipients find your emails interesting and useful, they're more likely to interact with them, which can improve your sender reputation.
Email marketer from EmailOnAcid Blog responds about Yahoo is notorious for being particularly strict with new IPs. They suggest focusing on building a strong sender reputation by ensuring proper authentication (SPF, DKIM, DMARC) and maintaining consistent sending volumes.
Marketer from Email Geeks suggests the messages are most likely getting a temp error, possibly a 421. They suggest raising the issue with Sendgrid so they can reach out to the postmaster. This is fairly typical when warming an IP, but depends on how much mail is being temped. Suggests if it's 100% it's going to be an uphill battle.
Email marketer from EmailGeek Blog responds to implement SPF, DKIM and DMARC correctly. Correct implementation is critical to get email accepted by Yahoo.
Email marketer from EmailTipz blog explains to use a dedicated IP address for sending email. This will allow you to build a reputation solely based on your own sending practices.
Email marketer from Warrior Forum states to set up feedback loops with Yahoo to receive notifications when recipients mark your emails as spam. This allows you to quickly identify and address any issues that are causing complaints.
Email marketer from Reddit shares to increase sending volume very gradually, starting with just a few hundred emails per day and slowly increasing it over several weeks. Monitor your bounce rates and engagement metrics closely to identify any potential issues.
What the experts say3Expert opinions
Expert from Wrd to the Wise states that deliverability issues are often tied to low engagement. Focus on getting recipients to mark your mail as 'not spam' in their inbox or moving your mail to their inbox.
Expert from Email Geeks suggests opening a ticket at <http://postmaster.yahoo.com|postmaster.yahoo.com> and asking for remediation. Also states that Sendgrid should be handling this.
Expert from Spamresource explains that Yahoo throttles new IPs and domains, so be prepared for slow delivery. Monitor your sending reputation using Yahoo's Postmaster Tools.
What the documentation says5Technical articles
Documentation from Google Postmaster Tools emphasizes the importance of monitoring your IP reputation using their tools. A sudden drop in reputation could indicate issues with your IP warming process or sending practices that need to be addressed before sending to Yahoo.
Documentation from Yahoo Postmaster Tools explains the importance of gradually increasing email volume during IP warming to establish a positive reputation with Yahoo's email servers. They recommend starting with a small volume of high-quality emails and gradually increasing it over time.
Documentation from RFC documentation explains to ensure your SMTP server is properly configured and adheres to all relevant email standards. This includes using valid HELO/EHLO greetings, proper envelope sender addresses, and correct message formatting.
Documentation from SendGrid explains the importance of segmenting your email list and sending to your most engaged users first during IP warming. This helps to build a positive sender reputation with Yahoo by demonstrating that your emails are relevant and valuable to recipients.
Documentation from Microsoft SNDS responds the importance of monitoring your complaint rates. High spam complaint rates can negatively impact your sender reputation and make it more difficult to reach Yahoo inboxes. Try to keep this below 0.1%.