MailScanner custom header modification

Shawn Iverson iversons at rushville.k12.in.us
Thu May 21 18:48:10 UTC 2015


Why not just reject external mail addressed to your domain instead?

If it has your address on it and it is not coming from you, then it is not
yours.

Postfix/Exim/etc. support this feature.

On Thu, May 21, 2015 at 6:00 AM, Арсений Черняков <a.v.chernyakov at gmail.com>
wrote:

> Hello.
> We've deployed MailScanner as an email relay and virus/spam scanner.
> We've encountered some messages that sent from various external servers
> with "from" header set to our domain and rcpt-to set to various free
> mailservers such as outlook.com. There is a plugin to spamassassin that
> detects such messages and increaces spam score.
> There is need to somehow modify Subject of such emails with [FRAUD] stamp
> (for example) like SpamAssassin modifies it with [SPAM] stamp. Is it
> possible to do with MailScanner?
> Or maybe there is another way to do it?
>
> Thank you.
>
>
>
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> http://lists.mailscanner.info/listinfo/mailscanner
>
>
>


-- 
Shawn Iverson
Director of Technology
Rush County Schools
765-932-3901 x271
iversons at rushville.k12.in.us
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