From: Magnus Bäck (magnusdsek.lth.se)
Date: Wed Aug 11 2010 - 00:44:45 CDT

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On Wednesday, August 11, 2010 at 05:37 CEST,
     kazabe <kazabegmail.com> wrote:

> My boss was request me to stop the mails related with non laborals
> contents.
>
> Specifically wanna stop all the emails related with videos, jokes,
> funny pictures, etc. We detect to any email with 12 or more address
> destination in the body, always have non laboral content.
>
> Is possible evaluate the body content to stop any email with 12 or
> more forward addresses?

The body (or, as I suspect you really meant, the headers) is irrelevant,
it's the envelope you should inspect. A policy server can record the
number of recipients in a message and reject the message if a particular
condition is met. Check out existing policy servers like policyd and see
if they meet your requirements.

Of course, the users will find ways around this -- sending multiple
messages or just keep sending the messages but to fewer people. You have
a social problem, not a technical one.

--
Magnus Bäck
magnusdsek.lth.se

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