On Tue, 18 Oct 2022 at 08:29, <ha...@posteo.de> wrote: > > just to wrap this up: The flags for lmtp were perfektly set, my "fault" > was to use dovecot lmtp instead of postfix lmtp for mailbox transport - > so no instance were setting the required message headers.
Dovecot LMTP doesn't provide info about original recipient, so I had to switch to Dovecot LDA with the "O" flag. https://wiki2.dovecot.org/LDA/Postfix -- bye, Marki
