MCP vs. spam.assassin.prefs.conf

Julian Field mailscanner at
Sat Oct 11 15:55:20 IST 2003

At 23:52 08/10/2003, you wrote:
>MCP looks interesting, but what's the difference between it and putting
>custom SA rules in spam.assassin.prefs.conf?

They have separate scores and separate actions as a result of those scores.

>I see that it's conceptually about 'content' filtering, and not 'spam'
>filtering, but what is different about how it works, or how it can be used?

Spam filtering and strict content filtering are different roles, they just
happen to have very similar implementations. You may want to just tag and
deliver spam, but definitely block any message containing the names of your
business competitors for example.

>For example, could it be used on a MailScanner machine that is setup as
>a relay to implement per-user SA rules to block bad words?
>Something like:
>MCP SpamAssassin Local Rules Dir = &byUserRules ?

Due to the way it works, this setting has to be a simple value, and not a
ruleset or Custom Function.

Julian Field
Professional Support Services at
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