[Dovecot] chroot lmtp, then can not open /usr/local/lib/dovecot

[Timo Sirainen]

On Tue, 2011-06-07 at 22:02 +0800, johnw wrote:
> On 2011年06月07日 21:13, Timo Sirainen wrote:
> > On Tue, 2011-06-07 at 19:19 +0800, johnw wrote:
> >> Couldn't drop privileges: Process is already chrooted, can't un-chroot
> >> for this user
> >>
> >> and lmtp can not delivery mail
> > This'll fix it: http://hg.dovecot.org/dovecot-2.0/rev/ed05316ed441
> >
> > Also remove the protocol !lmtp {} around mail_chroot. Looks like I
> > already had code that was supposed to handle it, but I had forgotten
> > about it and I had never tested it.
> >
> >
> after apply the patch with 2.0.13, and remove the protocol !lmtp {}, the 
> error like this:
> 
> Couldn't drop privileges: Process is already chrooted to /var/vmail, 
> can't chroot to /var/vmail/
> 
> and lmtp still can not delivery mail

The trick is to make the strings equal :) mail_chroot = /var/mail
without the trailing /.