Frank Tegtmeyer <[EMAIL PROTECTED]> wrote:
>
> > The problem with re-using the same SMTP session for multiple messages, etc,
> > is the high-latency inherent in the protocol. DJB found an easy way around
> > that.
> If that multiplies with large sized messages (also common here - please
> forget hints about educating users to use other protocols ...)
> qmail's delivery strategy is problematic.
No, it's not. If you don't want to receive fifty simultaneous connections
for delivering mail, configure your MTA to not open that many sessions.
A few people have done the math; MTAs which aggregate recipients to save
bandwidth tend to have more overhead network bandwith (additional MX lookups,
etc), and the savings is not as great as a first guess might make it look.
It has to be a pretty pathological case (large mail, many recipients at
one MX) for it to be consistently faster.
Charles
--
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Charles Cazabon <[EMAIL PROTECTED]>
GPL'ed software available at: http://www.qcc.sk.ca/~charlesc/software/
Any opinions expressed are just that -- my opinions.
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