On Lu, 15 iul 19, 06:21:28, Dan Ritter wrote: > Reco wrote: > > Why do you think they have that requirement? > > It's entirely because IPs without PTR records are more likely to > be spammers than those who do. Specfically, because it's an > indication that the person running the machine didn't set it up > as a server, or doesn't know what they are doing. Or is trying to run the server on an IP without a (useful) PTR record, e.g. a "personal" ISP account. This requirement mitigates somewhat the spam problem, at the expense of making it much harder/costlier for individuals to run their own mail server. Kind regards, Andrei -- http://wiki.debian.org/FAQsFromDebianUser
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