Different mailbox and login names

Björn Keil schattenkeil at googlemail.com
Thu Sep 25 10:03:12 EDT 2008


I am pretty new to Cyrus and got some problems with it.
I am trying to set up a Cyrus IMAP Server on a Debian Linux (Etch) System.
The system is running an Exim 4 Mailserver.

The problem is that I need the usernames that the users give when they log
in to be different from the names of their mailboxes.  For example if the
user "bjoern" logs in, his INBOX shall be user.keil.

The only thing that I found that may help in that direction was an article
in the SASL documentation about the difference between authorization ID and
authentication ID. However, I didn't find anything in the IMAP server
documentation how to use that differentiation - and so - by default - it
seems to be the same.

As authentication mechanism I use the sasldb auxprop plugin, with a database
under /etc/sasldb, as it was preinstalled and seemed to be the simplest and
best way for the scale I intend (an IMAP server for 10 users or so).

bjoern at kant:~$ sudo aptitude show libsasl2 | grep Version
Version: 2.1.22.dfsg1-8

bjoern at kant:/etc$ sudo aptitude show cyrus-imapd-2.2 | grep Version
Version: 2.2.13-10
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