Reindl Harald h.reindl at thelounge.net
Fri Jan 20 16:06:45 UTC 2017

Am 20.01.2017 um 16:57 schrieb Ron Wingfield:
> I am having difficulty configuring reverse DNS.  This has been a problem
> for over a year between my server(s) and my ISP, AT&T.  Specifically, I
> cannot  eMail to any recipient that requires rDNS verification, e.g.,
> SBCglobal.net, Comcast.net, or AOL.  Very frustrating.
> In both cases, the reported server is an AT&T server ;; SERVER:
> . . .why shouldn’t this “point” to my server, and not AT&T’s?

because the rDNS has *nothing* to do with your domain and mostly also 
not with your DNS server (except you have a own subnet and it's 
delegated by the ISP)

you are not the netowner - you must talk to your ISP

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