Hi,
I setup a new postfix server and I am getting errors. Also,
postfix-users keeps disabling my account, so please CC me directly.
Everything worked just fine on the old server and I was able to forward
all the emails. On the new server, pretty much everything is bouncing.
The errors I am getting with forwarded emails are:
host mta7.am0.yahoodns.net[67.195.204.79] said: 554 5.7.9
This mail has been blocked because it failed authentication checks
against
the sending domains DMARC policy. See
https://senders.yahooinc.com/smtp-error-codes#dmarc-fail for more
information. (in reply to end of DATA command)
and
host mx-att.mail.am0.yahoodns.net[98.137.26.68] said: 554
5.7.9 This mail has been blocked because it failed authentication
checks
against the sending domains DMARC policy. See
https://senders.yahooinc.com/smtp-error-codes#dmarc-fail for more
information. (in reply to end of DATA command)
Recently, I started getting a new error and this is with emails that I
am sending:
host gmail-smtp-in.l.google.com[172.217.215.26] said: 550-5.7.25
[173.248.207.241] The IP address sending this message does not have
a
550-5.7.25 PTR record setup, or the corresponding forward DNS entry
does
not 550-5.7.25 match the sending IP. As a policy, Gmail does not
accept
messages 550-5.7.25 from IPs with missing PTR records. For more
information, go to 550-5.7.25
https://support.google.com/a?p=sender-guidelines-ip 550-5.7.25 To
learn
more about Gmail requirements for bulk senders, visit 550 5.7.25
https://support.google.com/a?p=sender-guidelines.
956f58d0204a3-65d96cd6331si1249115d50.291 - gsmtp (in reply to end
of DATA
command)
Please let me know what I need to change to fix these issues. Thanks in
advance!
Kind Regards,
Al
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