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Date: Mon, 29 May 2006 13:29:32 +0400
From: Igor Robul <igorr@speechpro.com>
To: freebsd-questions@freebsd.org
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On Thu, May 25, 2006 at 07:53:12AM -0700, Olga Zenkova wrote:
> mailboxes with field "To: user3" in it. There are no
> user1 or user2 in this field. Is it possible to cut
> off these letters? Especially it is difficult to
> explain for user1 and user2 why they got letters
> addressed not for them.
Just show them Envelope-To: header in Outlook :-)
At least my users can understand, that it is possible to write anything
in various header.

Also I use DSPAM (mail/dspam) for opt-in spam filtering and it works
very well for users who care to train it.

Plus I reject a lot of spam at incoming SMTP server.