- Plesk for Windows
Unable to send emails to Gmail. The following error can be found in mail logs on a server, or in a bounce-back message:
CONFIG_TEXT: Remote server returned a response indicating a permanent error. Server Response: (550-5.7.1 [203.0.113.2] The IP address sending this message does not have a**550-5.7.1 PTR record setup. As a policy, Gmail does not accept messages from**550-5.7.1 IPs with missing PTR records. Please visit**550-5.7.1 https://support.google.com/mail/answer/81126#authentication for more**550 5.7.1 information. p63si3535767pfg.45 - gsmtp**)
Gmail bulk senders guidelines are not met: there is no PTR record on server IP address.
To set PTR record in Plesk refer to this article: