[Gllug] lmtp on Postfix

[Andy Loates]

On Thu, 2005-04-14 at 15:49 +0100, Bruce Richardson wrote:
> On Thu, Apr 14, 2005 at 02:59:10PM +0100, Andy wrote:
> > I been searching thru the web and haven't been able yet to find much
> > info on lmtp except that it seems to be a replacement for smtp.
> 
> It isn't a replacement, it's an alternative for scenarios where smtp is
> not needed.  It is a local delivery protocol, designed for transferring
> messages from the endpoint mta to a local message store.  Using the lmtp
> protocol means that the mta (Postfix, in your case) doesn't need to know
> anything about the internal structure of the message store.  It also
> gives you another option for having the message store on a separate box,
> since you can run lmtp over tcp.
> 
> In your case, you are trying to deliver to cyrus on the local box, so
> Postfix has to talk to it through a unix domain socket.
> 
> > 
> > Can anyone help me out here on what postfix is trying to do, what I
> > haven't configured correctly to get Postfix to use lmtp or canPostfix be
> > set up not to use lmtp just smtp?
> 
> Cyrus doesn't talk smtp and postfix doesn't understand the Cyrus message
> store, so lmtp is really what you need.
> 
> > 
> > Apr 14 09:16:36 foo deliver[8481]: connect(/var/lib/imap/socket/lmtp)
> > failed: No such file or directory
> 
> Postfix expects there to be a socket /var/lib/imap/socket/lmtp, over
> which it will talk to Cyrus using the lmtp protocol.  There is no such
> socket.  Your problem isn't your Postfix configuration, it's your Cyrus
> configuration.  For whatever reason, it is not running its lmtp daemon
> (or it is misconfigured).
> 
> That's as much help as I can give you.  It's been several years since I
> used Cyrus.  Don't use Postfix much, for that matter.
> 

Many thanks for the tips.

Got the LTMP socket up but still not in the location Postfix/Cyrus was
looking for it in but a quick symlink fixed that and all working OK now.

Now to configure Postfix. Hope its easier than Sendmail!

Andy


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