POP3 [AUTH] Errors

Problem

You see POP3 Connection Error notification emails that contain the following error while attempting to import ticket replies from Google® email accounts:

last request failed: [AUTH] Username and password not accepted

Cause

Gmail no longer supports IMAP access using basic username and password authentication. If you attempt to access a Google® email account using this authentication method, Gmail will reject the request.

Solution

Update your email importing configuration in each affected support department to use OAuth2.

For steps, see Set Up Email Importing with Google.
troubleshooting troubleshooting-article google-importing

Last modified: 2025 May 7