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Re: a header check rule to do <= or >=
From: Chad M Stewart <Chad_at_nospam>Date: Fri May 04 2012 - 00:04:13 GMT
To: Steve <steeeeeveee@gmx.net>
On May 3, 2012, at 5:26 PM, "Steve" <steeeeeveee@gmx.net> wrote:
> -------- Original-Nachricht --------
>> Datum: Thu, 3 May 2012 17:03:15 -0500
>> Von: Chad M Stewart <Chad@Balius.com>
>> An: Postfix users <postfix-users@postfix.org>
>> Betreff: a header check rule to do <= or >=
>
> Hello Chad,
>
>
>>
>> Is it possible to write a header check (I'm thinking pcre is probably the
>> way to go) that would find a header, and then take action based on the
>> value of said header.
>>
>> Sample header
>>
>> X-spam-Confidence: 0.8505
>>
>>
>> In pseudo code I'd like something like
>>
>> if header (/X-spam-Confidence/) && ($value >= 0.7000)
>> then redirect msg to /dev/null
>>
> I think I know what direction you are trying to go. DSPAM? Right?
Yes you are correct dspam. The dspam part I have up and working. Plus delivering to users spam folder. Figure I could enhance a bit more by only delivering that which is questionable.
At some point I'll figure out a quarantine in my configuration too for those users that want it.
>
> Below the untested code but I think it should work:
> =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
> if /^X\-DSPAM\-Confidence\:\s+/
> /^X\-DSPAM\-Confidence\:\s+(0\.[7-9]\d+)$/ DISCARD DSPAM confidence ${1} greater than 0.700
> endif
> =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
>
Thank you I'll give that a try.
Chad
>
>
>>
>> I'm looking to have sieve script functionality, but at the MTA layer and
>> not delivery. This will be implemented on a relay machine. The intent
>> being that when the anti-spam engine has assigned a high enough score to the
>> message that instead of delivering to the user, we simply throw it away,
>> assuming of course the user has opt-in for such a service.
>>
>>
>> Thank you,
>> Chad
>>
> Steve
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