Rafael Azevedo:
> Mar 15 11:38:17 mxcluster postfix/smtp[13274]: 32781115314:
> to=<di...@iagente.com.br>, relay=mx2.iagente.com.br[189.38.95.92]:25,
> delay=0.86, delays=0.6/0.02/0.23/0.01, dsn=4.7.1, status=deferred
> (host mx2.iagente.com.br[189.38.95.92] said: 450 4.7.1 Client host
> rejected: cannot find your hostname, [187.1.133.20] (in reply to RCPT
> TO command))
With a 50% chance to get NXDOMAIN for your PTR record, Postfix will
have to try to deliver this recipient 2-3 times before the PTR
lookup succeeds, so the message will be delayed for 5-10 minutes.
Wietse
