Port 110

Q: What is port 110?

Download email from server without encryption (POP3) POP3 on port 110 allows email clients to download messages from a mail server. Unlike IMAP, POP3 typically downloads and deletes messages from the server, with no synchronization across multiple devices. The connection is entirely unencrypted, exposing credentials and message content. It has been superseded by POP3S (port 995) and IMAP/IMAPS for modern use.

POP3

Download email from server without encryption (POP3)

Port

110

Protocol

TCP

Service

POP3

Security

Restricted

Full name: Post Office Protocol v3

What is port 110?

POP3 on port 110 allows email clients to download messages from a mail server. Unlike IMAP, POP3 typically downloads and deletes messages from the server, with no synchronization across multiple devices. The connection is entirely unencrypted, exposing credentials and message content. It has been superseded by POP3S (port 995) and IMAP/IMAPS for modern use.

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