I need step by step instruction to fix this error. I found two files in the /var/mail folder. root and www-data. When I opened them, the messages contain some information as follows.
The original message was received at Thu, 5 Oct 2017 03:33:58 GMT from localhost [127.0.0.1]
----- The following addresses had permanent fatal errors ----- firstname.lastname@example.org (reason: 550-5.7.1 [22.214.171.124 1] Our system has detected an unusual rate of)
----- Transcript of session follows ----- … while talking to gmail-smtp-in.l.google.com.:
DATA <<< 550-5.7.1 [126.96.36.199 1] Our system has detected an unusual rate of <<< 550-5.7.1 unsolicited mail originating from your IP address. To protect our <<< 550-5.7.1 users from spam, mail sent from your IP address has been blocked. <<< 550-5.7.1 Please visit <<< 550-5.7.1 https://support.google.com/mail/?p=UnsolicitedIPError to review our <<< 550 5.7.1 Bulk Email Senders Guidelines. a65si236585pgc.201 - gsmtp 554 5.0.0 Service unavailable
–v953a0qK031348.1507174560/wordpress-1gb-sgp1-01 Content-Type: message/delivery-status
Reporting-MTA: dns; wordpress-1gb-sgp1-01 Received-From-MTA: DNS; localhost Arrival-Date: Thu, 5 Oct 2017 03:33:58 GMT
Final-Recipient: RFC822; email@example.com Action: failed Status: 5.7.1 Remote-MTA: DNS; gmail-smtp-in.l.google.com Diagnostic-Code: SMTP; 550-5.7.1 [188.8.131.52 1] Our system has detected an unusual rate of Last-Attempt-Date: Thu, 5 Oct 2017 03:36:00 GMT
–v953a0qK031348.1507174560/wordpress-1gb-sgp1-01 Content-Type: text/rfc822-headers
Return-Path: www-data@wordpress-1gb-sgp1-01 Received: from wordpress-1gb-sgp1-01 (localhost [127.0.0.1]) by wordpress-1gb-sgp1-01 (8.15.2/8.15.2/Debian-3) with ESMTP id v953XwqK031346 for firstname.lastname@example.org; Thu, 5 Oct 2017 03:33:58 GMT Received: (from www-data@localhost) by wordpress-1gb-sgp1-01 (8.15.2/8.15.2/Submit) id v953XwCo031338; Thu, 5 Oct 2017 03:33:58 GMT To: email@example.com Subject: =?UTF-8?B?W+GAseGAnOGAt+GAnOGArF0gUGFzc3dvcmQgUmVzZXQ=?= X-PHP-Originating-Script: 33:class-phpmailer.php Date: Thu, 5 Oct 2017 03:32:58 +0000 From: WordPress firstname.lastname@example.org Message-ID: email@example.com X-Mailer: PHPMailer 5.2.22 (https://github.com/PHPMailer/PHPMailer) MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8
This textbox defaults to using Markdown to format your answer.
You can type !ref in this text area to quickly search our full set of tutorials, documentation & marketplace offerings and insert the link!
These answers are provided by our Community. If you find them useful, show some love by clicking the heart. If you run into issues leave a comment, or add your own answer to help others.
Join our DigitalOcean community of over a million developers for free! Get help and share knowledge in Q&A, subscribe to topics of interest, and get courses and tools that will help you grow as a developer and scale your project or business.
Click below to sign up and get $100 of credit to try our products over 60 days!