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 SSL Certificate on WHM/cPanel Services?

By default, all WHM/cPanel services use self signed certificate and you get warning while using...

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...

How to set the backup configuration in WHM?

You should consider taking the Backup of your cPanel data at a regular interval. cPanel provides...

How to set limited privileges to a reseller account in WHM?

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

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...