lmtp versus deliver

[Philip Chambers]

On Mon, 08 Nov 2004 20:32:45 -0500 Ken Murchison <ken at oceana.com> wrote:

> Philip Chambers wrote:
> 
> > On Fri, 05 Nov 2004 15:00:34 -0500 Ken Murchison <ken at oceana.com> wrote:
> > 
> > 
> >>Philip Chambers wrote:
> >>
> >>
> >>>This is cyrus-imap.2.2.8 with exim-4.41:
> >>>
> >>>I had been using lmtp to do normal deliveries but deliver to deliver to specific 
> >>>folders (as for spam being diverted to a spam-folder.
> >>>
> >>>I noticed in my exim logs that at busy times I was getting a few failures from the 
> >>>deliver program (logged as error code 75 or 65 by exim).  Can someone tell me what 
> >>>these two codes mean?
> >>>
> >>>On reflection I thought that I might be able to use lmtp to deliver to specific 
> >>>folders instead by using "user.folder-name at dom.ain" as the address.  I tried this 
> >>>and it worked. An advantage of this is the benefit of multiple deliveries in one go.
> >>>
> >>>However, I have now found a difference which it would be nice to remove:
> >>>
> >>>Using deliver to deliver to "user.folder", if the folder does not exist, it delivers 
> >>>to the user's inbox.  Using lmpt, if the folder does not exist, it rejects the 
> >>>message.
> >>>
> >>>Is it possible to get lmtp to deliver to the inbox if the specified folder does not 
> >>>exist?
> >>
> >>Either I'm confused or you're using the incorrect syntax.  To deliver to 
> >>a user-specific folder via LMTP, the address should be 
> >>user+folder at dom.ain.  If the folder doesn't exist (or doesn't allow 
> >>posting by the [un]authenticated user, then the message *will* go to the 
> >>  user's INBOX.
> > 
> > 
> > Thanks for that information, as you say, using plus as the separator delivers to the 
> > folder if there is a suitable acl or to the inbox if not.
> > 
> > Using a dot to separate the username and foldername certainly works and the delivery 
> > takes place without any acl on the folder.
> 
> Hmm, its probably because you are running deliver as the recipient user 
> and the mailbox name is taken literally (as the internal name).
> 

It is lmtpd which is delivering direct to the folder, not deliver.

Using lmtp, if I give an address of "username.folder at dom.ain" and the folder 
"user.username.folder" exists then delivery takes place, even without an ACL.

Phil.
---------------------------------------
Phil Chambers (postmaster at exeter.ac.uk)
University of Exeter

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