[webmin-l] Is postfix greylisting working correctly???

[Steve H. <st...@gr...>]

I've just been doing dome testing on mail forwarding for a debian lenny
server running virtualmin 3.87.gpl / webmin 1.560.

My mail server was giving up, rather than retry on a greylisted mail
request. Further investigation showed the difference between the
virtualmin setup and my own ( sendmail / milter-greylist ) the the
following:

Virtualmin:
NOQUEUE: reject: RCPT from palma.ourhostingservers.com[208.101.19.98]:
450 4.2.0 <in...@ex...>: Recipient address rejected: Greylisted,
see http://postgrey.schweikert.ch/help/example.com.html;
from=<no...@pa...> to=<in...@ex...>
proto=ESMTP helo=<palma.ourhostingservers.com

Sendmail:
Milter: to=<st...@ex...>, reject=451 4.7.1 Greylisting in action

Checking the response codes...
450 Requested mail action not taken: mailbox unavailable 
451 Requested action aborted: local error in processing

Surely your greylisting should be returning a 451 code??? I know my mail
server gives up when it received a 450, but that could well be my
problm.


Steve
-- 
Steve Holdoway BSc(Hons) MNZCS <st...@gr...>
http://www.greengecko.co.nz
MSN: st...@gr...
Skype: sholdowa