----- Original Message -----
From: "Stephen Garrett" <[EMAIL PROTECTED]>
Sent: Sunday, November 05, 2000 9:25 PM
>
> As a lurker, I have seen this subject once (more?) before. For those
> that are using the POP features of IMS, what are people doing for
> spam filters?
>
> Are people creating their own heuristic rules?
>
> Is there a clearing house where people can trade or have a common rule set?
>
> My present pop server has RBL and other rules, but Mucho SPAM is still
> getting thru, hence my question.
> Thanks for your consideration,
I have moved in the anti-spam circles for a long time now, and know most, if not
all of the players, and I and have been very active. For example some years ago
I was a big proponent of port 25 firewalling to dialup IP blocks, and in
particular Authenticated-SMTP (SMTP-Auth) way before it was an RFC, and back in
the days when people said it could never work :-)
The point is - as a committed iMS user, I have a very big interest in any form
of spam defenses, and in my opinion, iMS has almost unlimited potential in that
regard - much more so than any other MTA I know - and that is alot. Spam
filters should always be active at SMTP level - that is - if a message is to be
rejected according to a pre-defined ruleset, it should be rejected at SMTP level
accompanied by a 5xx return to sender, before it gets further onto the network
or server.
iMS has the ability to theoretically have individual SMTP profiles - that is to
say - every user can define their own ruleset for accepting or rejecting tgheir
own mail, and which ruleset could be defined by the user through a web
interface - probably as part of a greater webmail type system. I say
theoretically, because it hasn't been done yet AFAIK, but it is something I am
very keen to do as soon as I can, and working with the people I am working with.
I have already sketched out a database tables layout which would facilitate
this, but, like everything else, it still needs to be plugged in to the system -
I have defined about 20 user selectable SMTP spam filters thus far.
Don't ask me when something will happen on this - I don't know - but it is
certainly, as a committed iMS user high on my list of priorities along with SMTP
level virus scanning.
Regards,
Adrian.
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