When upgrading Postfix, I have this same problem. Upgrading process modified my "master.cf" from "lmtp unix - - - - - lmtp" to "lmtp unix - - y - - smtp".
I change again smtp -> lmtp : "lmtp unix - - y - - lmtp" and all began to work. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1654453 Title: LMTP delivery to Dovecot stops working in 3.1.4-1 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/postfix/+bug/1654453/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
