SMTP error while using PHPMailer with GMail Authentication

Problem Statement


One of our Linux VPS customer was unable to send emails through PHPMailer script with Gmail's authentication.

Solution


After some investigation, we could fix the issue taking following steps.
  1. Login to WHM.
  2. Navigate to ConfigServer Security & Firewall.
  3. Click on Firewall Configuration.

    Firewall Configuration


  4. Locate the option SMTP_Block and set to '0'.

    Change SMTP Block Option

  5. Click on Change button.

  • 0 Users Found This Useful

Was this answer helpful?

Related Articles

How to Open Ports in WHM Firewall?

There are times when you are required to open some ports in the firewall to run applications....

How to Allow Remote Connection to MySQL Server in cPanel/WHM Server?

To prevent potential security risks to MySQL server, by default remote MySQL connections are...

Fix :: Unable to add domain in cPanel that points to some other server

Problem Statement Unable to add domain (which is not pointing to cPanel server.) in cPanel...

How to Install ClamAV plugin from WHM?

ClamAV is a one of the most popular open source antivirus plugin available for cPanel servers....

How to convert addon domains to a separate cPanel account?

You may have multiple addon Domains hosted in a cPanel account. Following article will help you...