Postfix header check to reject certain senders

[Scott Silva]

Glenn Steen spake the following on 7/17/2007 4:55 AM:
> On 17/07/07, Gareth <list-mailscanner at linguaphone.com> wrote:
>> A bit off topic but you are normally a friendly bunch :)
>>
>> I am trying to get postfix () to reject mail from certain senders rather
>> than accept and then delete it in mailscanner.
>>
>> One such mail has the following in the headers:-
>> From: root at adsl.linguaphone.com
>> To: root at adsl.linguaphone.com
>> Subject: adsl.linguaphone.com security run output
>>
>> I have my postfix header checks set to use regexp matching and the file
>> contains :-
>>
>> /^From:.*\@adsl\.linguaphone\,com/                      REJECT Sender
>> address blacklisted.
>> /^Received:/ HOLD
>>
>> The problem is that the mail I am trying to block is not being rejected.
>> All mail is being put in the hold queue and Mailscanner working
>> correctly so header checks are working.
>> Have I done something wrong with the syntax?
>>
> Look at rejecting the _envelope_ sender instead. That From: is
> probably spoofed to high heaven:-).
> 
> Also, this should be done in the access map instead.
> ... Then again, I'm on vacation, so the brain might be sligtly turned
> off (more than usual, that is:-).
> 
> Cheers
You sure get a lot of vacation! Have you been completely free of work, or have
you been "tapped" a few times by the PHB's?


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