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m : mimedefang@lists.roaringpenguin.com 10 June 2009 • 12:18AM -0400

Re: [Mimedefang] Blocking Dictionary Attacks
by afo cliff

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Ok, then it looks like it's better to stick with access/virtusertable rejection.

> But, if you have defined everyone in virtusertable with default rejects,
> sendmail will process invalid recipients faster than mimedefang can. You
> might still get a few instances where where a message comes in with a large
> number of invalid recipients that makes it obvious spam but it will still be
> accepted for a small number of valid addresses.  You might be able to figure
> that out with some work in filter_recipient - or just hope that your other
> checks catch it.
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