Spam Problem

[John Wilcock]

Le 21/01/2009 14:44, Raymond Dijkxhoorn a écrit :
>> We are being plagued with emails that are sent with the address of our
>> users, but not from our mailserver.
>>
>> Basically an email is sent to the user fred at domain from fred at domain.
>
> Implement SPF!

And write a meta-rule to bump up the score for mail from your domain 
that fails SPF:

header	__FROM_YOURDOMAIN 	From =~ /\@your-domain\.com\b/i
meta	SPF_FAIL_YOURDOMAIN 	(SPF_FAIL && __FROM_YOURDOMAIN)
score	SPF_FAIL_YOURDOMAIN 	2.0

John.

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