Re: [Sqlgrey-users] idea for improving Discrimination feature

[David L. <da...@la...>]

Riaan Kok wrote:
> How difficult would it be to allow the postfix attributes on both
> sides of the regexp?
> 
> If you add two derivative attributes:
> sender_domain  &  recipient_domain
> you can activate greylisting if:
> sender_domain =~ recipient_domain
> which would be a very nice rule for anyone running a relay.  I see
> many spam forgeries where a sender address is designed to fall under
> the same organisation domain to appear legit.  Another rule to play
> with would be:
> client_name !~ helo_name
> which, although standards-compliant AFAIK, might be a bit harsh, I
> don't know.  Possibly there are other tricks to invent if the postfix
> attributes can be used as plain variables both sides of the
> discrimination regexp, but can't think of another example now.
> 
> What do you think?

I would keep it simple. Postfix can already do this sort of thing in its 
access maps with restriction classes. So do it there, don't duplicate 
functionality.

Later,
DAvid