Milter-greylist

On Thu, Jul 15, 2004 at 12:49:20PM +0000, Emmanuel Dreyfus wrote:
> The solution is to introduce a special case for mail from <> and reject
> it after the DATA command instead of RCPT. Rejecting all mail at DATA is
> not a good idea since it will give more work to other milters that do 
> content filtering.

Postfix doesn't use an empty sender it uses "postmaster@...":

Jul 15 12:30:36 colwyn milter-greylist: i6FAUZUb011843: addr x.x.x.x from <postmaster@...> to <matthias@...> delayed for 00:29:00
Jul 15 12:30:36 colwyn sm-mta[11843]: i6FAUZUb011843: Milter: to=<matthias@...>, reject=451 4.7.1 Greylisting in action, please come back in 00:29:00
Jul 15 12:30:36 colwyn sm-mta[11843]: i6FAUZUb011843: from=<postmaster@...>, size=248, class=0, nrcpts=0, proto=ESMTP, daemon=MTA, relay=xxx.xxx.xxx [x.x.x.x]

	Kind regards

-- 
Matthias Scheler                                  http://scheler.de/~matthias/