Port 143 — IMAP
Internet Message Access Protocol — syncs email across multiple devices, leaving it on the server.
| Port number | 143 |
|---|---|
| Service | IMAP |
| Transport | TCP |
| Category |
Is port 143 safe?
Use IMAPS (993) for encryption.
Frequently asked questions
What is port 143 used for?
Port 143 (TCP) is the standard port for IMAP. Internet Message Access Protocol — syncs email across multiple devices, leaving it on the server.
Is port 143 safe to open?
Use IMAPS (993) for encryption.
Is port 143 TCP or UDP?
Port 143 commonly uses TCP.