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Re: excessive bounces
On Thu, 27 May 2004, Lars Hecking wrote:
o gnu.org has a prohibitively high volume of email, and SA/Bayes require
massive resources. Therefore, the volume of mail going through SA or
any other tool must be limited.
Bogofilter does a fine job of Bayesian filtering and is 50-100X faster
than SpamAssassin. Surely it does not offer the extra features of
SpamAssassin, but using it would help considerably, and should keep up
with gnu.org performance requirements.
o Excessive whitelisting: all current gnu.org subscribers should be white-
listed, so that their email bypasses anti-spam. Yes, that'll still leave
the problem of subscribed spammers, but I believe there won't be too many.
This does not work at all. A huge amount of email I receive are
bounces or anti-SPAM notices from forged emails sent using my address.
More than likely I have received many SPAM emails claiming to be from
Lars Hecking. :-)
o Ruthless use of DNS blacklists before mails reach anti-spam. Most of
spam on GNU lists originates from "known bad boys" - Korea, China,
dialup/dyn-ip hosts, Comcast, *bell etc. Recommended reading:
http://makeashorterlink.com/?D20312968.
sbl-xbl.spamhaus.org alone would probably work wonders.
Usually this is good, but lately I have been noticing that substantial
email is arbitrarily rejected due temporary local DNS issues or bugs.
It is not pleasant to be on the wrong end of this.
Bob
======================================
Bob Friesenhahn
bfriesen@simple.dallas.tx.us
http://www.simplesystems.org/users/bfriesen