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woodman
2012 Feb 02
10
postfix - reject of incoming mail due to helo check??
Hi list,
I have been getting the following types of log messages
Jan 30 08:22:33 ndgonline postfix/smtpd[30538]: NOQUEUE: reject: RCPT
from unknown[71.46.229.50]: 450 4.7.1 Client host rejected: cannot find
your hostname, [71.46.229.50]; from=<DWoodman at orangebankfl.com>
to=<rkampen at ndgonline.net> proto=ESMTP helo=<mail.floridianbank.com>
a rdns check shows all is well with 71.46.229.50 - it belongs to the
from senders domain name.
;; ANSWER SECTION:
50.229.46.71.in-addr.arpa. 777 IN PTR mail2.orangebankfl.com.
I...