Thanks for the suggestion. I went and removed the "postuser" parameter from imapd.conf and restarted Cyrus. Unfortunately I still get the same message when I send to either +shared/[EMAIL PROTECTED] or [EMAIL PROTECTED] Sending to [EMAIL PROTECTED] seemingly has worked.
If I'm not mistaken sendmail downcases the lefthand part. Try renaming your mailbox from News to news ...
Maybe you can change sendmail's behavior with a mailer flag, I don't remember.
Greetings, Sebastian -- Sebastian Hagedorn M.A. - RZKR-R1 (Flachbau), Zi. 18, Robert-Koch-Str. 10 Zentrum für angewandte Informatik - Universitätsweiter Service RRZK Universität zu Köln / Cologne University - Tel. +49-221-478-5587
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