If you have already added the server in WebAdmin, go to the end-user portal (EUP) and add your pop3 account there. This is needed to tie a pop3 account to an ASG user account. Then you can use the full functionality for your pop3 account, including whitelisting and EUP quarantine management.
If you have already added the server in WebAdmin, go to the end-user portal (EUP) and add your pop3 account there. This is needed to tie a pop3 account to an ASG user account. Then you can use the full functionality for your pop3 account, including whitelisting and EUP quarantine management.