Milter-greylist

>
> 	Hello All!

> 	I friend of mine brought up a interesting idea.   Basically,
> "autowhitelisting" via Subject: .   Basically,  if the subject contains
> a "certain string" in the Subject: line,   it'll automatically be
> autowhitelisted.   This way,  for those 10% of people in our case,  they
> would request that when people e-mail them to put a special "secret"
> string in the Subject: which would "autowhitelist" the inbound mail.
>
> 	Something like a "acl whitelist subject",  then you could
> put in the regexp you wish (your secret, for example).

I think you can do this with the urlcheck feature.

Cheers,

Seth