On Thu, Nov 01, 2001 at 04:04:45PM -0600, Austad, Jay wrote:

> I'm planning on replacing the ezmlm/qmail list server box with a
> postfix/smartlist setup. I'm planning on having postfix send all outgoing
> mail to my "splitter" box, which forks off the outgoing mail to several
> qmail QMQP servers (I'm keeping these). I'm choosing smartlist because it
> uses the choplist program which will split my outgoing lists up into many
> messages grouping addresses for the same domain into one message, and with
> multiple messages, my load balancing mechanism will have a little bit more
> uniform distribution.

Postfix sorts the recipient list by domain per default, so this is not needed.

> 2. Say I have a single message with 1000 aol subscribers as recipients,
> will postfix open one connection and just send across the one message with
> all of those recipients, or will it send multiple messages? How about if I

One.

> have 1000 separate messages all to AOL subscribers, will it open one
> connection and pipeline, or 1000 separate ones?

It will open many connections in parallel (starting with few, ramping up).

> 3. What should I keep in mind when setting up/compiling postfix on the main
> list server? Is there anything special I need to do to increase the
> performance of the queue? (my qmail box is getting hammered because of the
> size of the queue) Can I easily change the amount of time a message is
> allowed to be in the queue? (many of our mailings are time sensitive)

maximal_queue_liftetime = 30m

-- 
Ralf Hildebrandt                            Tel.  +49 (0)30-450 570-155
                                            Fax.  +49 (0)30-450 570-916
"Those who do not understand UNIX are condemned to reinvent it -- badly."
                                                         -- Henry Spencer
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