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 install ConfigServer Firewall to cPanel/WHM?

The ConfigServer Firewall - CSF is one of the most popular and advanced firewall suite available...

How to Set the Server Time Zone in WHM?

We deliver Linux VPS with default Timezone i.e. MST – Mountain Standard Time. You may need to...

How to redirect cPanel/Webmail to encrypted connection [SSL]?

When you want to transmit sensitive information over the Internet, you should use HTTPS instead...

How to limit privileges of a reseller account in WHM?

After creating Reseller account in WHM, the most important part is to set Reseller privileges....

How to Open Ports in WHM Firewall?

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