Arkadaşlar @xxxx.com uzantılı mailimizi outlook üzerinde kullanınca gmail uzantılı mail adreslerine mail atınca aşağıda yazdığım hatayı alıyorum. Outlook hesap kaldır hesabı kaldırınca sorun düzeliyor. Müşterim illa outlook üzerinden kullanmak istediğini ve sorunu çözmemizi istedi ama sorun nerede çözemedim.

not gmail üzerinden mail alıyor ancak göndermiyor


This message was created automatically by mail delivery software.

A message that you sent could not be delivered to one or more of its
recipients. This is a permanent error. The following address(es) failed:

Xxxxx@gmail.com
host gmail-smtp-in.l.google.com [142.250.13.26]
SMTP error from remote mail server after end of data:
550-5.7.25 [176.53.69.165] 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 point to the sending IP. As a policy, Gmail does not accept messages
550-5.7.25 from IPs with missing PTR records. Please visit
550-5.7.25 https://support.google.com/mail/answ...6#ip-practices for more
550 5.7.25 information. bj2-20020a0560001e0200b00224f8e65adcsi1907476wrb.185 - gsmtp
Reporting-MTA: dns; rd-marina.guzelhosting.com

Action: failed
Final-Recipient: rfc822;xxxxx@gmail.com
Status: 5.0.0
Remote-MTA: dns; gmail-smtp-in.l.google.com
Diagnostic-Code: smtp; 550-5.7.25 [176.53.69.165] 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 point to the sending IP. As a policy, Gmail does not accept messages
550-5.7.25 from IPs with missing PTR records. Please visit
550-5.7.25 https://support.google.com/mail/answ...6#ip-practices for more
550 5.7.25 information. bj2-20020a0560001e0200b00224f8e65adcsi1907476wrb.185 - gsmtp