error msg macam pop3 not yet allowed wo

Fix the "Server denied POP3 access" error message
If you use 2-Step Verification: Create an app password. <<<<<< also try
If you use a work or school account:
In the "POP Server" section:
Enter “mail.domain.com”.
Select Port 110.
If you use Google MX records with a work or school account:
In the "POP Server" section:
Enter “pop.gmail.com”.
Select Port 995.