Hello everyone. I have tired to googling this, but didn't found anything userful. I have next configuration:
postfix (2.6.5). dspam 3.80. dovecot 1.2. /etc/postfix/main.cf: virtual_transport = lmtp:unix:/var/run/dspam/dspam.sock dspam is daemon mode, listen this socket and after checks use dovecot deliver for delivering mail to maildir. Problem: there is no "Return-Path" header at all in message in this way. As I understand postfix does not set "Return-path", because lmtp is usually used for mail filters with reinjecting mail to postfix again. I found only one option, which probably changes this behavior. "lmtp_assume_final", but it's not about this. So question. Can postfix set return-path header, before sending message via lmtp? // And yes, if I use pipe to deliver, then all fine. Correct me, if I misunderstand whole thing.
