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Multiple deliver of same mail because of alias

From: Alberto Avanzi (alberto.avanzigmail.com)
Date: Thu Jan 31 2008 - 07:34:28 CST


Hi,

I'm currently running postfix as mail system on an Ubuntu server.
I have a general question about multiple mail delivery and possible
solutions.

Let's say that a user "myUser" belongs to the list "myList" (via the
"aliases" file).

Each mail which is written to myUser AND to myList will be received twice
by myUser.

Do you know if some tools/plugins/scripts exist (on postfix side) which can
handle this problem ?
If not, on imap-server (dovecot) side, before delivery, maybe ?

Thank you very much for your help.

Alberto Avanzi