A paper from 2007 studies the performance of SMTP servers (Exim,
Postfix, Sendmail, ...) and takes in consideration the
anti-spam-measures. Could be an inspiration for further tests:
http://www.hawai.hu/doc/BencsathR07cts.pdf
Cheers,
Joachim
On 2016-02-05 10:18, Heiko Schlittermann wrote:
> Klaus Ethgen <Klaus+exim@???> (Mi 03 Feb 2016 11:27:59 CET):
> …
>> Unfortunately there is no real statistics about that available. It
>> would
>> also be somehow hard as it depends on the internal processing. So
>> naturally the throughput would be lower when doing spam checking as it
>> would be without.
>
> Yes, inbound probably is not comparable, as I suspect, the impact of
> content scanning overrides everything.
>
> But once we have the message in the queue, it should be delivered
> *fast*. That Exim does normally, but if something breaks and the queue
> fills up …
>
> Best regards from Dresden/Germany
> Viele Grüße aus Dresden
> Heiko Schlittermann
