[Dovecot] mail archiving
daff at dword.org
Sat Oct 10 08:30:43 EEST 2009
On Friday 09 October 2009 17:18:53 dhottinger at harrisonburg.k12.va.us
> Im curious if anyone is archiving emails and what they are using. I
> currently utilize sendmail/procmail/dovecot.
What exactly do you mean by archiving?
We use Postfix and Dovecot to backup any sent and received mail for our
users. Postfix, using sender_bcc_maps, resends any mail to the sending
user via an address extension (i.e. mail sent by foo at example.org gets
resent to foo+sent at example.org) and Dovecot with Sieve, using the
sieve_before directive, filters such sent mail into a private namespace
that is hidden from the user (Backup/sent).
Backing up received mail works very similar (ending up in
Backup/received) but Postfix is not involved; this is a job for Sieve
alone, again using the sieve_before directive and an appropriate script.
So Postfix/Dovecot/Sieve. If ACLs worked a bit better in 1.2.x  I
could even make the Backup namespace visible to its user and just
ensure, via ACLs, that the user cannot delete any messages in this
namespace. But this'll have to wait for 2.0 I believe.
Does that answer your question?
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