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From: dirk.meyer@dinoex.sub.org (Dirk Meyer)
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Subject: Re: sendmail rulesets
Date: Tue, 23 Jan 2001 17:27:48 +0100
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Jamie Heckford wrote:

> Bit stuck trying to implement the following:
> I would like to have any email that contains a .exe or .vbs file
> in the body or attached to be removed, and an email sent to the
> recipient and the sender along the lines of "Sorry but due to new policy.."
> Can anyone give advice on the configuration of sendmail.cf to due this,
> or am i going to have to write my own perl wrapper?

You can define a filter program in sendmail (Milter),
so each incoming email will be parsed on the fly.

If you build sendmail from the ports,
add in files/site.config.m4
APPENDDEF(`confCCOPTS', `-D_FFR_MILTER=1')"

in your mc file add:
define(`_FFR_MILTER',1)
INPUT_MAIL_FILTER(`noattach', `S=local:/var/run/noattach, F=T')dnl

But you still need a program (like noattach) to parse the attachments.
There should be a perl module somewhere, for this interface.
(Or compile your own)

For local delivery its much more easy,
you can use any program as the local mailer.

kind regards Dirk

- Dirk Meyer, Im Grund 4, 34317 Habichtswald, Germany
- Tel. +49-5606-6512
- Tel. +49-177-6923813


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