Le vendredi 02 mars 2018 à 16:39:22+0100, Markus Gschwendt a écrit : > Sorry, i forgot to mention that i have already following MTA config in > /etc/mailman3/mailman.cfg > > [mta] > incoming: mailman.mta.exim4.LMTP > outgoing: mailman.mta.deliver.deliver > lmtp_host: localhost > smtp_host: localhost > lmtp_port: 8024 > smtp_port: 25 > configuration: python:mailman.config.exim4 > > > And of course an exim is running on the same machine.
Are you sure you properly restarted mailman after putting these configurations on? Looking at the traceback, it really seems that the call to postfix.py is due to a configuration variable setting the MTA to postfix. Can you give it a try by making sure no postfix mention is in your configuration file, killing all mailman3-related processes and starting a mailman3 binary afterwards? -- Pierre-Elliott Bécue GPG: 9AE0 4D98 6400 E3B6 7528 F493 0D44 2664 1949 74E2 It's far easier to fight for one's principles than to live up to them.
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