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 Migrate/transfer Emails from cPanel to cPanel?

You can migrate the whole cPanel account including emails using cPanel transfer tool. Click on...

How to activate and Manage Auto-SSL Certificate in WHM/cPanel?

cPanel provides free SSL Certificate to the WHM/cPanel users. Since it is an automated process by...

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 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 install memcache in WHM/cPanel server (CentOS)?

Following article will assist you to install Memcache in cPanel/WHM server. Login into your...