RE: [exim] greylisting and VERP's

Hi

> I have a small prototype daemon listening on a unix domain
> socket which uses Berkeley DB to maintain a greylist of
> (sender, recipient(s), message-id) and a white list of IP
> addresses...

Would you mind to share that?
I got some experience with bdb recently, but I have non with unix domain
sockets.

Regards,
Steffen