How can I convince an email network owner to whitelist my IPs to reduce bounces?
Summary
What email marketers say10Marketer opinions
Email marketer from Mailjet explains the importance of authenticating your emails with SPF, DKIM, and DMARC. These measures verify your identity to email providers, improving deliverability and reducing bounces, making whitelisting less necessary.
Email marketer from Email Geeks (Mailchimp) shares that Mailchimp extensively monitors its IPs for blocks, especially from Spamhaus, and blocks trigger alerts and automatic IP disabling, followed by investigation.
Email marketer from StackOverflow explains contacting the network owner and working with them to understand the spam policies can help get the IP whitelisted
Email marketer from Email Geeks (Mailchimp) explains that Mailchimp made adjustments to bounce categorization in December and has been slowly rolling out those changes, indicating re-categorizing it as a soft bounce was a mistake and that the issue has already been fixed.
Email marketer from Email Geeks shares that showing improved email practices to prevent spam-like activity can help convince networks to remove blocks.
Email marketer from SendGrid shares that warming up new IPs by gradually increasing sending volume helps build a positive reputation with email providers, reducing the chance of being blocked or needing whitelisting.
Email marketer from Email Provider Forum explains that while direct whitelisting is rare, consistently good sending reputation and engagement are more effective than a direct IP whitelist request. Focus on engagement and deliverability.
Email marketer from Quora shares that building relationships with email providers and demonstrating good sending practices (authentication, low complaint rates) can increase the likelihood of whitelisting.
Email marketer from Reddit responds that proving a strong sender reputation through authentication (SPF, DKIM, DMARC) and low spam complaint rates is key to convincing network owners, rather than simply asking for whitelisting.
Email marketer from Mailchimp responds to focusing on managing bounce rates by regularly cleaning your email list and removing invalid addresses will improve your sender reputation, making whitelisting less critical.
What the experts say4Expert opinions
Expert from Email Geeks states that most networks determine whitelisting based on local operational data, not sender requests, as it's not 2010 anymore.
Expert from Spam Resource shares that the rise of engagement-based spam filtering means that getting users to want your mail is far more important than trying to get whitelisted. Network owners are far more interested in signals from their users than external whitelists.
Expert from Email Geeks noticed the DKIM signature is syntactically wrong and suggest having someone who understands DKIM look at the d= and i= fields.
Expert from Word to the Wise explains that if you are suddenly getting blocked you need to determine how you were blocked, and fix the underlying issue, rather than ask to get whitelisted
What the documentation says4Technical articles
Documentation from Microsoft explains that using the Smart Network Data Services (SNDS) allows you to monitor your IP reputation with Microsoft and proactively address any issues affecting deliverability, reducing the need for whitelisting.
Documentation from IETF RFC recommends implementing best practices for email sending, including proper authentication, feedback loops, and list management, to avoid being blocked and to maintain a good sender reputation. This proactively avoids the need for whitelisting.
Documentation from AWS describes their best practices around deliverability and mentions that they monitor sending activity very closely to keep the sending reputation high for everyone in their service and have no ability to whitelist individual users
Documentation from Google states that monitoring your sender reputation in Postmaster Tools helps identify and resolve deliverability issues. A good reputation is vital for email acceptance and less likely to be blocked.