Noel Jones wrote: > On 9/28/2009 12:02 PM, Brian Evans - Postfix List wrote: >> OK.. then how about this refined pcre: >> >> /^Subject: =\?.*\?Q\?.*(=0A(\s)?)*\?=$/ REJECT Bad Subject format >> >> With the inclusion of the quoted-printable header definition, I think >> the chances of false positives would be very low. > > > But why do you think a QP line feed will never occur in a legit mail? > (complex expression not reviewed) > > -- Noel Jones True.
I will test this out with a WARN action for now to see and parse. My reasoning is most MUAs that I'm aware of only allow single line subjects. About 90% of quarantined spam follows this rule
