[Mimedefang] MIMEDefang + spamd

[David F. Skoll]

On Wed, 22 Sep 2004, John Scully wrote:

> 1) The compiled C spamd processes messages faster then the perl module.

I can't believe that.  The message processing is still done in Perl,
after all.

> 2) We run DCC via dccifd before SA and don't bother running SA if DCC has
> the message listed.

That probably is what helps.

> 3) We check account status, quota, blacklists etc before running SA

And that.

> These last two items mean that SA is run on only about 1 out of 4 messages -
> epecially when we are under some sort of dictionary spam attack.  We have 60
> MD slaves runing, but only 15 SA threads (and it never ties up all 15).
> Since we run a LOT of custom rule sets each SA thread is about 50M, so if I
> had SA embedded in each MD slave SA would be consuming 3G of memory instead
> of 750M.

If you use the embedded Perl interpreter, almost all of that memory
should be shared by all the slaves.

Regards,

David.