[Mailman3-dev] anti-spam related features
marilyn at deliberate.com
Mon Mar 15 14:44:28 EST 2004
On Mon, 15 Mar 2004, Erez Zadok wrote:
> The amount of spam is increasing in a scary way. All of my lists are closed
> to non-subscribers (is anyone in their right mind still uses open lists?
> :-). On occasion I still get some valid posting from a non-subscriber:
> sometimes from a new person, and sometimes from an existing subscriber that
> uses a different email address. So I cannot just drop all posts by
> non-subscribers b/c I don't want to miss those few good ones; OTOH, every
> day I have to wade through many spams that are left for me to moderate, and
> reject/discard each one. Here's what I'd like to see:
> - a one button to accept/reject/discard ALL pending messages.
> - a way to automatically purge pending messages that haven't been accepted,
> rejected, or discarded after N days of waiting. That way I don't have
> bother logging in and cleaning them up every day.
> - another posting mode that uses an authentication challenge-response
> mechanism such as the confirmation process that's used during the
> subscription. Most spammers use bogus addresses and never check them,
> which is why I personally find challenge-response personal anti-spam
> systems like ASK and TMDA very effective. Using a challenge-response, I
> can essentially allow valid posters who are not subscribers to
> authenticate their pending posting and let it get posted to the list on
> their own; this saves me (the list owner) time.
Oh yes! Please do this!
> - integration with Spamassassin and friends, so I can set a rule that says
> "discard every message with a score > 5.0".
> - I want a way to reject and/or moderate all non-plaintext email (html,
> foreign languages, mime encoded, etc.) b/c that's far more likely to be
> spam. And a bounce message to go with that to tell the person why their
> message got rejected.
> - a way for valid subscribers to add aliases to their subscription. That
> avoids the usual problem of rejecting/holding a posting from a valid
> subscriber who sent the post from a different email account. I don't like
> the idea of adding a filter rule to allow all future posts for such a
> person, b/c that rule remains forever, while the original user could have
> already unsubscribed.
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