On Sun, 2011-12-25 at 13:37:52 +1000, Nick Edwards wrote: In the absence of full information, here's a WAG:
> ...
> : NOQUEUE: reject: RCPT from unknown[41.203.141.1]: 450 4.7.1 Client host
> rejected: cannot find your hostname,
% host 41.203.141.1
Host 1.141.203.41.in-addr.arpa not found: 2(SERVFAIL)
^^^^^^^^
This is treated as a temporary error condition, so Postfix applies
reject_tempfail_action, which defaults to defer_if_permit.
> ...
--
Sahil Tandon
