[Dovecot] Dovecot LDA issues

Steven F Siirila
2007-03-26T02:26:42Z

On Mon, Mar 26, 2007 at 03:23:12AM +0300, Timo Sirainen
wrote:
> On Fri, 2007-03-23 at 13:08 -0500, Steven F Siirila wrote:
> > We've seen two issues come up with Dovecot LDA, both of which have
> > caused us problems:
> >
> >  1) If the user's home directory does not exist, or is not owned
by them,
> >     deliver fails and causes the mail message to bounce back to the
> >     originator.  In our environment this happens when our user is
moved
> >     to another server (where we move their files, but for up to 24
hours
> >     afterwards, continue to re-mail their /var/mail INBOX).  This no
> >     longer works because the user has no home directory, causing
deliver
> >     to fail with "Permission denied" when attempting to
create their
> >     home directory for the purposes of creating INBOX index files.
>
> Happened with mbox, but not with maildir. Changed to return temporary
> failure: http://dovecot.org/list/dovecot-cvs/2007-March/008357.html
>
> >  2) If the user is over quota (in their home directory), deliver fails
> >     with a temporary error, causing requeues until the user is back
> >     under quota (which in our environment could be a long time, days).
> >     Since we've never had quotas on the user's INBOX (in
/var/mail),
> >     this is a problem for us.
> ..
> > I'd propose for both of these cases that deliver issue WARNING
messages
> > to its logs, and simply not create index files for the INBOX.  If the
> > INBOX index files already exist, and the user is over quota in /home,
> > neither deliver nor any other Dovecot process should attempt to update
> > them, and instead issue WARNING messages.  This allows the e-mail to
be
> > delivered instead of requeued, or worse yet, rejected.  Index files
are
> > supposed to make things perform better, not worse, in ALL cases.  :)
>
> For the 1) case.. No. At least not anytime soon. The mail root directory
> is used for other things than index files as well, and I don't want to
> add lots of special case checks to make it work in a INBOX-only
> environment.
>
> For 2) case, it should work like that since rc27. What version are you
> using?

We are using rc24 on one server, rc27 on another.  Are you saying that it
should deliver e-mail to my INBOX (in rc27) even if my home is over quota?
I will need to double-check, but I thought this was not the case in either
rc24 or rc27, and that it was requeuing instead.

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