[email protected]: > On Fri, October 11, 2013 10:31 pm, Wietse Venema wrote: > > > What is the real server name? > > What is the real IP address? > > Wietse, > > thanks, from the log entry: > > corporatechange.com.au > 69.175.105.186
That IP address belongs to Singlehop. > BUT, looking at recent log entries, mail seems now delivered, THOUGH, log > now show different IP for the server: > > Oct 11 17:56:45 geko postfix/smtp[1927]: 079F23829BA: > to=<[email protected]>, > relay=corporatechange.com.au[50.87.106.83]:25, delay=4.6, > delays=0.05/0.01/1.3/3.3, dsn=2.0.0, status=sent (250 OK > id=1VUWeS-0006Kx-6R) And that IP address belongs to Unifiedlayer. As required by the SMTP protocol Postfix relies on DNS to deliver mail. If a DNS server provides incorrect information (intermediate DNS resolver or authoritative DNS server) then that is a problem that Postfix cannot solve. Wietse
