POP3 and IMAP Mail Protocols

• POP3 - Uses the POP3 protocol to send and receive emails with TLS encryption.

• IMAP - Internet standard protocol used by email clients to retrieve email messages from a mail server over a TCP/IP connection. It allows you to access your email from any device.

To enable POP3S or IMAP scans:

1. On the Threat Prevention > Engine Settings page, under Anti-Virus Scanned protocols, select the Mail (SMTP, POP3 and IMAP) checkbox.

2. On the Access Policy > SSL Inspection Policy page, select the checkbox to enable SSL traffic inspection.

3. Under Protocols to inspect, select POP3S or IMAP.

4. Click Apply.