I just completed HestiaCp installation, and I was testing the email delivery.
Sending Email to Gmail address is not working, but I was able to send email to my domain base email address. Below is the error messages. Please, I need your help.
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:
[email protected]
host gmail-smtp-in.l.google.com [74.125.71.27]
SMTP error from remote mail server after pipelined end of data:
550-5.7.1 [195.35.3.250] The IP you’re using to send mail is not authorized to
550-5.7.1 send email directly to our servers. Please use the SMTP relay at your
550-5.7.1 service provider instead. For more information, go to
550 5.7.1 'The IP you're using to send email is not authorized...' - Gmail Help ffacd0b85a97d-373082828c3si4986155f8f.836 - gsmtp
Reporting-MTA: dns; localhost
Action: failed
Final-Recipient: rfc822;[email protected]
Status: 5.0.0
Remote-MTA: dns; gmail-smtp-in.l.google.com
Diagnostic-Code: smtp; 550-5.7.1 [195.35.3.250] The IP you’re using to send mail is not authorized to
550-5.7.1 send email directly to our servers. Please use the SMTP relay at your
550-5.7.1 service provider instead. For more information, go to
550 5.7.1 'The IP you're using to send email is not authorized...' - Gmail Help ffacd0b85a97d-373082828c3si4986155f8f.836 - gsmtp