POP Mail Protocol
This page provides information on the POP Mail Protocol detected by the Netify DPI engine. The protocol operates on TCP port 110, an officially registered port assigned by the IANA.
Protocol Description
The Post Office Protocol (POP) is a protocol used by e-mail clients to retrieve mail from a remote server. The IMAP mail protocol is much more prevalent these days, but the protocol is still in use.
Please see the protocol catalog page for information on other protocols detected by Netify DPI.
Protocol Details
- ID
- 2
- Full Name
- Post Office Protocol
- Abbreviation
- POP3
- Category Tag
- Category
- Home Page
- POP Mail
- Introduced
- Version 2.88
Protocol Ports - RFC
- TCP 110
- Post Office Protocol - Version 3
Best Practices
POP can be both encrypted (via STARTTLS) and unencrypted, so there is a risk that usernames and passwords are sent across the network in an insecure manner. You might want to consider using the alternative POP3S protocol to guarantee encryption.
Related Protocols
Review the Mail category suite below, or explore the complete protocol catalog.