[geeks] Email experts?

[Big Endian]

>On Wed, 9 Jan 2002, Big Endian wrote:
>>  I have a machine that relays mail from our application servers to the
>>  world.  We need to be able to make user bound email (reciepts and
>>  confirmations and such ala ebay/amazon/etc) go out almost
>>  instantaneously.  However the other 66% of our traffic is bound for
>>  about 10 very overloaded domains in .gov land.  I'm trying to add
>>  priority capabilities to the mail queueing system.  The system needs
>>  to be scaleable to 300k total messages a day.  100k of those need to
>>  be gone within 5 minutes.
>
>Sendmail does allow entire seperate queues to be used as of 8.12.x; the
>example config I saw a while ago has examples for aol.com, yahoo.com,
>msn.com, etc., but IIRC it only tunes the number of messages per TCP
>session.

This is what we're doing but sendmail doesn't like to queue to 
different queues based on the input of the remote SMTP system.

>How I'd fix this is to relay $SLOW_DOMAINS (setup by hand) to $SMTP-OUT#2
>(which may even be running on the same machine [warning: major hackery])
>and have it queue every 5, 15, whatever.
>

I've got something similar going but I need a finer grain of control than that.

daniel
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