- Plesk for Windows
Unable to send emails to Gmail. The following error can be found in Mailenable logs:
08/18/17 16:31:43 ME-IXXXX: [1DE8C457612C40338B26E2C697020FC1.MAI] 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.
Make sure that PTR record for the domain is set up and resolvable:
> set q=ptr
> server 18.104.22.168
Default Server: google-public-dns-a.google.com
22.214.171.124.in-addr.arpa name = example.com
> set q=any
To set PTR record in Plesk refer to this KB article.