On Tue, 21 Nov 2017, Rich Shepard wrote:
To improve your emails deliverability, your MTA-EHLO/PTR/MX hostnames
should all match. If you use an inbound/cloud filtering service, the
hostname in your DNS MX record doesn't need to match, but the MTA EHLO
and PTR/reverse DNS should match.
They'll all match.
Hadn't thought of this since I set up postfix ~20 years ago. In main.cf
the myhostname variable was set to salmo.appl-ecosys.com so I just changed
it to mail.appl-ecosys.com. They are aliased to each other in /etc/hosts.
Thanks again, Alex,
Rich
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