POP3 - Control Access

How to get here

Important: After making changes, click Save. Navigate to the POP3 Settings  page, stop the service , wait 5-10 seconds and restart the service.

There are two ways to control who connects to this service. You can either grant access to everyone, except specific computers or subnets that you specify, or you can deny access to everyone, except specific computers or subnets that you specify.