OT: _spam_ (Fred N. van Kempen)

From: Roger Merchberger <zmerch_at_30below.com>
Date: Tue Dec 3 11:48:01 2002

Rumor has it that John Allain may have mentioned these words:
>To add my 0.02 on the subject.
>
>I get about 50 a day. I have records of everything including all
>the Nigerian scams in case anyone wants to cross-check their
>spam.

I used to until I designed my own spam filter -- as I'm co-owner for an
ISP, I needed to make sure there were as few false positives as possible.
The only downside is you need to be:

1) the admin of your mailserver (it's a server-side solution)
2) running qmail (the best MTA on the planet...) & Perl
3) running PostgreSQL [not absolutely necessary, but works a lot better]
4) some time to get the automagic filters rolling...

I went from 50-150 spams/day down to 4-9 (6 being about average) - I wrote
programs to take all the doublebounce messages, extract the relevant IP
addresses, put 'em in a postgres database, then run reports on the data,
and block those IP addresses automagically. The load on our mailserver went
from a .69 average to a .27 once it was up & rolling...

http://www.30below.com/~zmerch/qmail/spambad.cfm -- if this'll help anybody...

Laterz,
Roger "Merch" Merchberger

--
Roger "Merch" Merchberger -- sysadmin, Iceberg Computers
zmerch_at_30below.com
What do you do when Life gives you lemons,
and you don't *like* lemonade?????????????
Received on Tue Dec 03 2002 - 11:48:01 GMT

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