Message not delivered

Message not delivered
Your message couldn’t be delivered to [email protected] because the remote server is misconfigured. See technical details below for more information.

The response from the remote server was:
550 ([mail-oa1-f51.google.com](http://mail-oa1-f51.google.com)) [35.208.78.82]:53656 is currently not permitted to relay through this server. Perhaps you have not logged into the pop/imap server in the last 30 minutes or do not have SMTP Authentication turned on in your email client.