[Python-Dev] The first trustworthy <wink> GBayes results
Guido van Rossum
Tue, 03 Sep 2002 15:54:48 -0400
> Erik Naggum made an interesting comment. He said that spam should be
> handled at the transport level. Greg's work on doing filtering at SMTP
> time accomplishes this and makes a lot of sense. When a message is
> rejected, the sending mail server is the one that has to deal with it.
> In the case of spam, the sending server is often an open rely. Letting
> it handle the bounces is sweet justice. :-)
In the case of a false positive, it has the added advantage that at
least the poor sender, falsely accused of sending spam, gets a bounce
and may try to try again.
> I bring this up because "STMP time filtering" makes a bypass mechanism
> work much better. With a system like TMDA, confirmation notices usually
> generate double-bounces. Instead, we could reject the message with a
> 5xx error that includes instructions on how to bypass the filter (e.g.
> include a cookie in the body of the message).
Do you still believe that TMDA is the only answer to spam?
--Guido van Rossum (home page: http://www.python.org/~guido/)