Re: Throttling mail sending in Postfix

Chris Friesen wrote:
> Les Klassen Hamm wrote:
>> I have a client that needs to send some bulk email (no really, they
>> are not spammers, it's a legitimate research contract) but the
>> software that generates the mail just blasts everything to the smtp
>> server (no batching, timing, throttling).
>>
>> Is there any reasonable way in postfix to slow down, batch or throttle
>> the outgoing mail. I can find a transport setting about concurrency,
>> but I'm hoping for some better tuning options. Any ideas?
>
> According to "http://www.postfix.org/rate.html", by default postfix
> starts by sending two messages to a given server, then increases the
> rate as long as all goes well, backing off in the face of congestion.
>
> Is the server complaining, or do you just want to be more conservative?

It's related to a fear that sending 1500 emails at once will cause some
mail servers to tarpit or reject email from the IP, or worse even
blacklist the IP.

If these fears are unfounded or if you ANY have better ideas or
thoughts, I'm all ears!

Thanks,
        Les...

> Chris
>
> --
> "Well, there's SPAM, egg, sausage, and SPAM. That's not got MUCH SPAM
> in it."
>
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Received on Tue Nov 28 11:39:27 2006