[Dovecot] 1.0rc29: LDA chroot problem

[Timo Sirainen]

On Tue, 2007-04-03 at 03:35 +0300, Uldis Pakuls wrote:
> Hi,
> 
> I got strange problem with dovecot LDA;
> 
> in dovecont.conf: mail_chroot = /srv/vmail
> 
> --- 
> deliver(test at fakedomain.net): Apr 03 07:28:21 Info: auth input: test at fakedomain.net
> deliver(test at fakedomain.net): Apr 03 07:28:21 Info: auth input: uid=400
> deliver(test at fakedomain.net): Apr 03 07:28:21 Info: auth input: gid=400
> deliver(test at fakedomain.net): Apr 03 07:28:21 Info: auth input: home=/fakedomain.net/test
> deliver(test at fakedomain.net): Apr 03 07:28:21 Info: auth input: mail=maildir:/fakedomain.net/test
> deliver(test at fakedomain.net): Apr 03 07:28:21 Fatal: chroot(/srv/vmail) failed: Operation not permitted

You don't start deliver as root (or setuid root), so it can't do the
chrooting.

Usually MTAs don't allow starting deliver as root, so your only
possibilities are setuid root (see the wiki page) or not using chrooting
with deliver.

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