HOW TO FIX WHMCS SMTP ERROR: Could not connect to SMTP host?

Follow the below mentioned steps to fix WHMCS SMTP error: "Could not connect to SMTP host".

Step::1 Login to your WHMCS.

Step::2 Navigate to Setup section and go to General settings.

Step::3 Hover over the Mail tab and check SMTP variables assigned.

Check the SMTP settings entered in Mail tab. Also ensure that you have entered the correct SMTP host, port, username, password and selected the appropriate SSL Type for use with your mail server.

That's It !
Check out the video tutorial to know the procedure in detail. You can check the blog as well.
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