Avensoft Help Desk - Unable to sign in to Gmail [AUTH] Username and password not accepted

Unable to sign in to Gmail [AUTH] Username and password not accepted

[AUTH] Username and password not accepted

Google does not allow signing in to a Google account, personal or from Google Workspace, using user name and password only. To fix the problem, take these steps

Upgrade to nService 4.43
Enable 2-step verification of the gmail account you use for nService. in your Google account, Security tab
Create an App Password for nService in your Google account, Security tab
Come back to nService, Admin, Email, Email settings. Replace the password with the App Password you just created.