[Mimedefang] all_spam_to abuse

[Jan-Pieter Cornet]

On 2012-2-21 22:51 , David F. Skoll wrote:
> We've agonized over this with our commercial products and have decided
> that sometimes silently discarding a message is the only viable option.

... or drop it in the 'Spam' folder (where it gets auto-deleted after a few weeks, so it's almost the same as silently discarding, except the user has a chance to inspect the Spam folder for false positives).

We've created a special 'spamfolder' mailer which just calls mail.local with an additional flag to put the message in a subfolder, and a sendmail rule to deliver @spamfolder.local to this mailer.

Then for all users that do not wish to receive a mail, we replace the recipient with username at spamfolder.local.

Required just a few custom patches to mail.local, and some sendmail.cf hackery.

-- 
Jan-Pieter Cornet <johnpc at xs4all.net>
Systeembeheer XS4ALL Internet bv
Internet: www.xs4all.nl
Contact: www.xs4all.nl/contact

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