Public bug reported: Builds from courier-mta sources prior to 20211111 have two bugs:
1) parsing bug in the bofh badfrom check 2) rejects null MX records when validing the sending IP address against the sender's HELO/EHLO identifier #2 is causing Yahoo mail with null MX dns records to be rejected. Yahoo is a major player in the email world and this should be considered a priority Recommend that new .deb binary be generated using courier-mta 20211111 or later. 1) Bionic Beaver 2) courier-mta-0.78.0-2ubuntu2 3) expect all mail from Yahoo to be delivered 4) mail with null MX dns records are being rejected ** Affects: courier (Ubuntu) Importance: Undecided Status: New -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1966318 Title: courier-mta rejects Yahoo mail with null MX dns records To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/courier/+bug/1966318/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs