On Donnerstag 27 August 2009 Stefan Förster wrote: > This is often reffered to as "forward confirmed reverse DNS": > http://en.wikipedia.org/wiki/Forward_Confirmed_reverse_DNS
I know, I'm the one who set it up ;-) > The log text ist correct. A host with an IP resolved to > "protegate5.zmi.at" connected, but the host with that name has a > different IP. So Postfix was not able to find a host name that > resolved to that IP address. This line alone is not really correct: 450 4.7.1 Client host rejected: cannot find your hostname, [212.69.162.205] But as Wietse said, there's another log line explaining the problem: warning: 212.69.162.205: address not listed for hostname protegate5.zmi.at I just looked at the one line in the mail report, and that alone is not correct, as there is a hostname PTR for that IP. > This kind of "misfit" is commonly referred to as a "DNS issue" when > postmasters talk to each other ;-) Yes, once you know it it's easy to solve anyway. mfg zmi -- // Michael Monnerie, Ing.BSc ----- http://it-management.at // Tel: 0660 / 415 65 31 .network.your.ideas. // PGP Key: "curl -s http://zmi.at/zmi.asc | gpg --import" // Fingerprint: AC19 F9D5 36ED CD8A EF38 500E CE14 91F7 1C12 09B4 // Keyserver: wwwkeys.eu.pgp.net Key-ID: 1C1209B4
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