[Mailman-Users] Postfix virtual domains and mailman

[Martin Hasselmann]

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Hello everybody,

having spent many hours searching for an applicable HowTo I hope to get
some help here.

A former admin has setup Postfix on our servers running with virtual
domains. As described in here http://workaround.org/articles/ispmail/ he
configured mailman with alias-maps and virtual maps.

It seems to me that this is an old way of configuring postfix.

Following the instructions given by the mailman install guide, my
problem is now that every try to post on a mailinglist named testlist
(how creative *;)*) ends up with good ol error "unkown user".

Just to get it right: Mailman should handle incoming emails to a
recipient itself an use postfix to answer from the adressed mailadress.
To do this postfix first catches every incoming email and with the
/etc/aliases, where mailman at my.domain is the recipient, postfix should
pipe such an email to /var/lib/mailman/mailman[...].

It seems to me as if postfix fails exactly here and that no mail reaches
 mailman.

My question is: Afaik mailman does not need to work with mysql (where
all virtual emails, mailadress owners etc. are stored in). How can I
force postfix to lookup not only in the mysql-db, but also in
/var/lib/mailman/data/aliases? I have no more ideas! I was pretty sure,
that everything concerning mailman has to be added to postfix's
main.cf-variable "virtual_maps" because there isn't another variable
that seemed applicable for me, too.

Thank you for your help in advance!

MfG,

Martin
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