block message on IP

Martin Hepworth martinh at SOLID-STATE-LOGIC.COM
Fri Dec 19 13:49:56 GMT 2003

Bart J. Smit wrote:
> I would like to implement a feedback feature where users can send false
> negatives and positives to a set of mailboxes, say spam and nospam.
> These would be scanned by sa-learn every hour on a cron job.
> Of course it is far too easy for a spammer to submit their spam to
> nospam at mailscanner <mailto:nospam at mailscanner> so I want to restrict the
> IP addresses that can submit mail to that box to the mail servers where
> my users are on.
> The MailScanner.conf doesn't seem to offer an option for blocking
> messages in a ruleset. The closest I have seen is to block encrypted and
> unencrypted messages on the same ruleset.
> Does this indeed block all messages? Is there perhaps an easier way to
> do this in sendmail?
> Thanks
> Bart...


I use a shared folder under Courier imap (should be able to do the same
thing in MS-Exchange), and a script a I posted a few weeks ago the drag
this into SA-learn.

Martin Hepworth
Snr Systems Administrator
Solid State Logic
Tel: +44 (0)1865 842300


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