mailop

Validity (and before that, Return Path) has long offered access to various bits of reputation data to email users via DNS, primarily utilized via a particular SpamAssassin plugin. Checks include whether or not an IP address is on the Validity Certification whitelist, on the “Validity Safe” (aka Habeas) whitelist, or is on the “Validity RPBL” (Return Path Reputation Network Blacklist). Validity’s Tom Bartel recently posted to the Mailop list indicating upcoming changes/restrictions to that access, and I figured it would be good to pass that along here, to broaden the reach to help those who might miss this on Mailop. He writes: “I wanted to pass along an update regarding coming changes in 2024 to public query access for Validity reputation data in DNS.  We’re finalizing implementation of necessary response codes (including in Spam Assassin) to enable this.  It’s similar to the Spamhaus DQS changes a while ago.  Any questions and/or