On 8/8/19 10:14 PM, Stephen J. Turnbull wrote:
Issue: Postfix LMTP does not pass messages onto MM3:LMTP.
I don't understand why this is a Mailman problem. Seems like Postfix user lists would be a better venue to get expert help with this. Among other things, our most responsive Postfix guy is out of cell coverage for now.
I have a window of availability - and it's longer than I thought because my second of three back-country trips has been canceled :(
I would post this To: the relevant Postfix list, Cc: this list, and set Reply-To and Mail-Followups-To to the Postfix list to get everybody who can contribute on the same page.
I don't have much to add to what Steve has said except our recommended config includes
transport_maps = hash:/path-to-mailman/var/data/postfix_lmtp
in Postfix main.cf. This should contain (per your log message) things like
to tell Postfix to deliver that address via lmtp to port 8024 on the local host. Dovecot should not be involved. There is something in your config that trumps this and delivers via lmtp to Dovecot for mailman3:[127.0.0.1]:8024. Does your transport_maps look like the above or perhaps like
If so, I don't know where mailman3 instead of lmtp: comes from. Also, even if it is lmtp: I don't know that Dovecot can deliver via lmtp.
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