Restrict outgoing

So you have a group of users who are using your system to send spam? You need a policy solution, not a technological one.

For what its worth the only way I know to restrict outgoing mail is to either allow or disallow specific users or groups ofusers to send and receive internet mail as a whole...not sure how to filter outgoing spam.

Some anti-spam software will check outgoing as well as incoming email for spam (Nemx Power Tools for Exchange is one). Other than that, you can restrict them from sending at all, but to restrict them just from sending certain types of email or certain content would not be possible through standard Exchange. Other email servers may be different, but you don't say which one you use. Hope this helps!

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