On Wed, 8 Sep 2004, Martin, Jeremy wrote:
> anti-spam server, then another file "smtproutes" lists which servers
> each domain's mail should be sent to once it has been processed.
> How do I reproduce this with Sendmail/MIMEDefang -
With the "mailertable" feature. In your sendmail.mc file, use:
FEATURE(`mailertable')
Then create a file called /etc/mail/mailertable that looks like this:
domain1.net esmtp:[host.for.domain1.mail]
domain2.net esmtp:[host.for.domain2.mail]
Then generate the mailertable database file (probably by typing
"make -C /etc/mail" on a modern Linux system.)
> Our Qmail server can process about 100 messages per minute with full
> remote checks enabled with SpamAssassin, using SQL based user
> preferences. Our friends reported scanning 26,000 messages per minute on
> a dual-Xeon box with two Sendmail's running, each bound to a separate
> Ethernet card, and each bound to a different CPU.
The 26,000/minute figure is highly suspect. I doubt you can do a
SpamAssassin scan that quickly. Plain-vanilla Sendmail without any scanning
will have trouble sustaining that throughput unless you use exotic hardware
like a battery-backed ramdisk for the mail queue.
Our CanIt and CanIt-PRO products, based on SpamAssassin with a SQL
back end, can sustain 10-15 messages/second on comparable hardware.
Without the SQL back end, you could probably do at most 20/second.
Regards,
David.
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