Noel Jones wrote:
> On 9/28/2009 10:35 AM, Brian Evans - Postfix List wrote:
>> How would you detect a quoted-printable line feed in header checks?
>>
>> I get lots of spam that includes several of these and would like to
>> reject them early.
>>
>> If there is a good reason not to do this, please note such.
>
> View the on-disk mail file with some low-level tool such as cat or
> vi.  Match the text found there with your header_checks.
>
> Careful, this sounds like something ripe for a high rate of false
> positives.
>
>
>   -- Noel Jones
So something like: header_checks=pcre:/path/to/file

/^Subject: .*=0A/  REJECT Bad Subject format

would work?

This is RFC breakage behavior I am trying to stop in the Subject line.
http://tools.ietf.org/html/rfc5322#section-2.2

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