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On 6/9/2013 10:31 AM, David Kramer wrote: > See, that's been my experience. I run my own mail server (postfix), > listserve (mailman) and webmail (squirrelmail) (and a bunch of > other servicess) with about 10 domains, and after I got the > mail server stuff up and running, I hardly ever have > to think about it. I have a question about PTR records: can anyone confirm or deny that some ISP's are refusing mail from any domain without a PTR? I know that it's routine to require a PTR record from a sending host: that's not the issue. What I think is happening, however, is that emails from "bill at xyz.com" won't be accepted unless there is a PTR record /for/ "xyz.com", not just a one-size-fits-all PTR for the "real" address of "xyz.com". In other words, if I use "bill.com" as the mailhost for "xyz.com", "wxy.us", "abc.org", and some other domains, will I need to have a PTR record in place for each of those domains? TIA. Bill -- Bill Horne 339-364-8487
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