Post Office Protocol v3. Downloads emails from a server. Older protocol — IMAP is preferred.
Test it now with our Port Scanner
| Port | 110 |
|---|---|
| Service | POP3 |
| Protocol | TCP |
| Encrypted | No |
| Common Use | Post Office Protocol v3 |
Online: Use our Port Scanner — enter your IP and port 110.
Command line:
nc -zv your-server-ip 110 (Mac/Linux)
Test-NetConnection -ComputerName your-server-ip -Port 110 (PowerShell)
Check locally:
ss -tlnp | grep :110 (Linux) netstat -an | findstr :110 (Windows)