On Wed, 5 Oct 2005, OpenMacNews wrote:
>
> (1) LMTP over TCP/IP (the smtp transport with the protocol option set to ?lmtp?);
> (2) LMTP over a pipe to a process running in the local host (the lmtp transport);
> i'm still unclear, tho, as to the driving rationale (performance?
> security? politics?) one chooses one over the other ...
The Cyrus overview document mostly talks about security differences
between them. (2) seems simpler from that point of view, though if you
need to scale up to multiple hosts, you must use (1).
> "The CMU folks recommend using LMTP over TCP or unix sockets - no
> matter what MTA you use - on general principle, mostly for perfomance
> reasons"
>
> is this still valid? recommended? w/ "today's" Exim?
Yes, this is as opposed to using the "deliver" program, which is an LMTP
client which the MTA talks to over a pipe. Obviously Exim has the
necessary functionality built in.
Tony.
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