[Mailman-Users] How many messages in an envelope?

[Erik Parker]

It's possible that I'm misunderstanding it.. But if you send a message to
6 people on a lits, with it set to 2, it would hand 3 queue's to sendmail
right?

Sendmail seems to deliver them a ton faster on my box when it doesn't have
a couple hundred in each one.. it clears its queues faster, because it's
spawning so many sendmail processes (The machine is a dual 850 with two
gigs of ram running solaris x86).. i dunno.



> Increasing this number should result in lower bandwidth usage and
> higher performance.  As an example, assume that your list has 1000
> users on hotmail.com.  If you are sending messages with 2 recipients
> then the best that your MTA can do is to batch two hotmail.com
> recipients together.  If you are sending with 500 envelope recipients
> then it might be able to batch half of the hotmail.com recipients
> together in one shot.  As far as I know Mailman doesn't try to batch
> recipients by domain though, so it is more likely that you'll send
> 25000/500 = 50 messages to hotmail for 1000 recipients, instead of
> 500-1000 messages.
>
> If your MTA can handle it then I'd recommend increasing the number of
> recipients.  I have it to set to 1000.
>
> alex
>
>
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Erik Parker
Mind Security

"If you think technology can solve your security problems,
then you don't understand the problems and you don't understand
the technology."