Kurumsal maili outlook üzerinden kullanınca alınan garip hata

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