Benjamin Confiino wrote:
> Personally I think that having from-subject-IP would
> be more usefull than from-to-IP is there some way to
> change it over
Cant be done.. Sqlgrey does its rejection upon recieving MAIL FROM. At
this point no subject has been transmitted, as the subject is part of
the "mail-data", not the Envelope.
As sqlgrey is a postfix-policy daemon, and AFAIK policy-deamons cannot
read the mail-content, which is basically what you want.
And besides that, i cant really see why youd want greylisting on
subject. It kinda defeats the purpose of a greylist. If a spammer is
transmitting a big batch of mails, all using the same subject, he would
get 4xx for 5 minutes and then get whitelisted, thus letting the
remaining 5million mails through.. even though he didnt retransmit any
of the original mails, since youd only check the subject.
- Dan
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