Re: [EXIM] clarification on use of LMTP

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Author: James FitzGibbon
Date:  
To: Stuart Lynne
CC: exim-users
Subject: Re: [EXIM] clarification on use of LMTP
* Stuart Lynne (sdjl@???) [990418 18:12]:

> More specifically I'm using this to deliver to the Cyrus IMAP deliver program
> which has an LMTP mode. I.e. it can accept a in incoming LMTP connection and
> deliver mail to mailboxes. By using LMTP it can accept or deny messages on
> a per recipient basis. This allows it to deliver mail that it can. But refuse
> any that it cannot. Which in turn means that it does not require (for example)
> any queue or scheduling. These functions are pushed back into the MTA that is
> feeding it.


> For testing purposes I hacked the deliver program to accept the SMTP syntax as
> well. I.e. HELO and single status. Then setup exim to do delivery of single
> addresses only. Works fairly well. Moving to LMTP would allow me to attempt
> delivery of a single message to multiple addresses.


I've used Cyrus (1.5.2 I think) and deliver was just a program that took a
message on STDIN. Have they made it a full daemon now ? If so, then
changing the smtp transport as you describe is feasible. I wonder though if
it's a wise idea if there are many other transport agents out there that
only accept piped input. i.e. saying "Exim supports LMTP" may give users of
binmail and smtpfeed or mail.local the wrong idea.

--
j.

James FitzGibbon (JF647)                                        james@???
EHLO Solutions                                       Voice/Fax +1 416 410-0100


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