On 10/26/2017 12:21 PM, cac...@quantum-equities.com wrote: >> the whole fact that mail was SENT by thunderbird has nothing to do >> with the >> fact that you need mail server on quantum-equities.com if you want to >> RECEIVE mail for quantum-equities.com. >> >> configure postfix on quantum-equities.com that will have >> "quantum-equities.com" in mydestination. >> >> or >> >> configure different MX for quantum-equities.com pointing to other server >> that will receive mail for that domain > > The server which postfix is running on will be primarily for > qualtum-equities if I ever get it running. But for the time being > I've set myhostname = mail.delphi-real-estate.com and mydomain = > delphi-real-estate.com . > > Also I've modified my zone file to this: > > delphi-real-estate.com. 28800 A 72.251.232.102 > www 28800 CNAME delphi-real-estate.com. > @ 28800 MX 10 mail.delphi-real-estate.com. > mail 28800 A 72.251.232.102 > mail.delphi-real-estate.com. TXT "v=spf1 mx a ip4:72.251.232.102/32" > 102.232.251.72.in-addr.arpa. 28800 IN PTR mail.delphi-real-estate.com. > > Unfortunately though, my registrar removes IN from my PTR record > automatically, and then fails me with "Syntax error". > > And sent mail still never arrives. No comments in maillog.
Just as well, since PTR records are 1:1 to the IP. And I'll have 3 domains on this server so I can't use PTR. Anyway, ARPA has not assigned this IP directly to me; it came with my cloud instance. I'll set SPF and DKIM.
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