SPAM by same email as recipient?

[John Wilcock]

Le 13/10/2013 23:33, Rodney Mitchell a écrit :
> If the email is <testing at melecom.com.au> many spam emails come into the
> INBOX and they are from <testing at melecom.com.au>, any suggestions?

By far the best solution is to configure your SMTP server not to accept 
unauthenticated mail from domains that it serves.

If this isn't possible in your setup, have a look at the __TO_EQ_FROM 
rule in the standard ruleset. This is only used in other meta rules, but 
you could experiment with scoring it, making sure you exclude any 
genuine messages that you might send to yourself, for example:
meta TO_EQ_FROM_UNTRUSTED	meta	__TO_EQ_FROM && !ALL_TRUSTED

John.

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