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SMTP Authentication Errors

Problem

You see the following error while attempting to send email:

Could Not Authenticate

Cause

The mail server is rejecting the SMTP details that you entered for Mail Provider in the Mail tab at Configuration () > System Settings > General Settings.

Solution

Make certain that all of the details in your Mail Provider configuration are correct in the Mail tab at Configuration () > System Settings > General Settings.

Last modified: 2025 July 28