Re: special sender auth ?

At 01:00 PM 2/1/2005, Richard Bates wrote:
>I'm not sure if postfix can do this..
>i've sent email to one or two companies that do this. (I don't think it is
>postfix though)
>What I want to do is
>
>have a list of allowed from addresses...
>
>if the sender is not in the allow list send a bounce back with a auth code
>the sender must reply to the auth code email and put the auth code in the
>subject line (or something like that)
>then the sender may send emails to my users.


Most folks call this either a challenge-response system or a ProveYouLoveMe
system, or just simply a pain in the arsch.

Check out http://tmda.net/ to see if it meets your requirements, it can be
used as a delivery agent with postfix.



--
Noel Jones