MailScanner Digest, Vol 78, Issue 20

[Peter Bonivart]

On Fri, Jul 6, 2012 at 3:50 PM, Juliano Giannerini
<juliano.giannerini at norsul.com> wrote:
>
> Hello everybody.
>
> Someone knows how to block a email message which the Field "from" is equal
> to Field "to".
>
> I've received a bulk of messages that spammers masquerade from with the
> same email of the user Who is receving the message, like:

Take a look at this post:
http://spamassassin.1065346.n5.nabble.com/How-to-reject-spam-where-sender-receiver-td65361.html

It has a tiny SA plugin that does what you want. Note though that
legit mailing lists also often put yourself as sender so don't go
crazy with the scores.

/peter