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Re: [Asrg] filtering at connect time

2003-03-04 08:06:06
Correct. In fact, most spam filters do not affect mail routing themselves at all, they rely on the integration into the MTA paths to deal with re-routing. They are in the process of being integrated more substantially into the MTAs/MUAs though, and with those integrations, they are beginning to affect routing as well. This is basically being driven by "easy of use" considerations, where an admin doesn't want to have to spend several hours figuring out how to re-write their sendmail.cf to integrate SpamAssassin having downloaded some tarball from a website -- they want to just double-click install.exe on their Exchange server and have spam automatically stop getting through. At that point, the default configuration from the vendor has to be thinking about the issues which Michael mentioned.

C

On Tuesday, March 4, 2003, at 05:24 AM, David F. Skoll wrote:

On Mon, 3 Mar 2003, Michael Marking wrote:

One problem with text filters of various kinds is that the spammer is
unaware that the spam won't be delivered.

Not necessarily.  Text filtering and how you handle rejection are
orthogonal; you can use (for example) Sendmail's Milter API to
fail MAIL FROM:, RCPT TO: or DATA commands.

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