Cyrus + postfix

Jason Williams jwilliams at
Fri Feb 6 14:23:52 EST 2004

> > > I tried to do that earlier but postfix says:
> > >
> > > Feb 5 07:40:35 trinity postfix/lmtp[602]: D8D9F43E8D: to=<test at trinity>,
> > > orig_to=<test>, relay=none, delay=1, status=deferred (connect to
> > > /var/run/cyrus/socket/lmtp[/var/run/cyrus/socket/lmtp]: Permission 
> denied)
> > >
> > > I look at the lmtp socket and :
> > > rwxrwxrwx 1 root root 0 Feb 5 07:39 /var/run/cyrus/socket/lmtp
> >
> > Chances are your postfix is configured to run within a chroot jail. For
> > example, I have postfix in a chroot jail then set the following in my
> > Cyrus imapd.conf file:
> >
> >       lmtpsocket: /var/spool/postfix/socket/lmtp
>Actually, I don't think I've ever seen Postfix's lmtp configured to run
>chroot.  I think with 'lmtpunix' you need to make sure that 'prefork' is
>set to at least 1 in cyrus.conf, otherwise the socket doesn't get
>created.  (Someone please tell me if this is wrong.)

I've been able to get lmtp to work in a chrooted environment. Took a lot of 
troubleshooting and use of 'truss' to figure out what was going on, but I 
did get it to work.

Here is a good link to check out:

I dont think you need to have the lmtp process run chrooted, especially 
after reading the article above.

What I would do is trace your smtpd process using a trace program (You said 
you use Debian...strace or ktrace should be available via apt-get I 
believe). Do that, check the output. That is how I was able to find out my 
initial problems when I was working with cyrus and postfix.

Hope that helps.


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