POP3 (Post Office Protocol v.3) is a protocol that moves email messages from an email server to an email client on a TCP connection over port 110. Most Internet-based email accounts use POP3. With POP3, an email client contacts the email server and checks for any new email messages. If it finds a new message, it downloads the email message to the local email client. After the message is received by the email client, the connection is closed.
With a POP3-proxy filter you can:
To add the POP3-proxy to your XTM device configuration, see Add a Proxy Policy to Your Configuration.
If you must change the proxy definition, from the
On the Settings tab, you can set basic information about a proxy policy, such as whether it allows or denies traffic, create access rules for a policy, or configure policy-based routing, static NAT, or server load balancing. The Settings tab also shows the port and protocol for the policy, as well as an optional description of the policy. You can use the settings on this tab to set logging, notification, automatic blocking, and timeout preferences.
If Application Control is enabled on your device, you can set the action this proxy uses for Application Control.
For more information, see Enable Application Control in a Policy.
On the Traffic Management tab, you can select the Traffic Management action for the policy. You can also create a new Traffic Management action. For more information about Traffic Management actions, see Define a Traffic Management Action in v11.8.x and Lower and Add a Traffic Management Action to a Policy.
To apply a Traffic Management action in a policy:
You can choose a predefined proxy action or configure a user-defined proxy action for this proxy. For more information about how to configure proxy actions, see About Proxy Actions.
To configure the proxy action:
For the POP3-proxy, you can configure these categories of settings for a proxy action:
On the Scheduling tab, you can specify an operating schedule for the policy. You can select an existing schedule or create a new schedule.
The Advanced tab includes settings for NAT, QoS, multi-WAN, and ICMP options.
To edit or add a comment to this proxy policy configuration, type the comment in the Comment text box.
For more information on the options for this tab, see:
About Proxy Policies and ALGs