> Date: Thursday, October 26, 2017 08:40:13 -0700 > From: cac...@quantum-equities.com > To: postfix-users@postfix.org > > On 10/25/2017 12:39 PM, Richard wrote: >> >>> Date: Wednesday, October 25, 2017 11:55:13 -0700 >>> From: cac...@quantum-equities.com >>> >>> Sending an email from a remote machine pretends like it goes out >>> just fine. But it never arrives in the server's mail folder. >>> Zero goes into maillog, even with systemctl restart postfix. TLS >>> is not enabled. >>> >> You have an MX record pointing from delphi-real-estate.com to >> mail.delphi-real-estate.com >> >> # dig delphi-real-estate.com mx >> >> ;; QUESTION SECTION: >> ;delphi-real-estate.com. IN MX >> >> ;; ANSWER SECTION: >> delphi-real-estate.com. 28800 IN MX 10 >> mail.delphi-real-estate.com. >> >> but no A record for mail.delphi-real-estate.com. >> >> You need to get an A-record for mail.delphi-real-estate.com (which >> will point to its IPnumber) added to the dns entries for your >> domain at bookmyname.com. >> >> I suspect your test message is sitting on the outgoing mail server >> you used and you will get delivery warning and failure messages in >> time.
> My email client finds the smtp server fine and seems to send the > email successfully. I can't find it remaining anywhere locally > except in Sent. When sending your test message(s) to delphi-real-estate.com, what are you using for your smtp server, mail.delphi-real-estate.com or something else? > > I've asked my registrar about this and he says: > >>> There is no example how to set an A record for a mail domain. >> Hi, For mail you have to use MX not A. So you have to redirect it >> on canonical address. While the current practice, this is not technically true: > For mail you have to use MX not A but we won't belabor that point. > Here's what delphi-real-estate.com looks like: > > www 28800 A 72.251.232.102 > @ 28800 MX 10 mail.delphi-real-estate.com. > > Do you mean I need to set an A record for delphi-real-estate.com ? > No, you don't need an A-record for delphi-real-estate.com (for mail purposes at least) since you have the MX pointing to mail.delphi-real-estate.com. But you need an A-record for mail.delphi-real-estate.com (analogous to the A-record you have for www.) otherwise no sending MTA will be able to reach it.