Port 993 — IMAPS
IMAP over TLS — encrypted access to email kept on the server.
| Port number | 993 |
|---|---|
| Service | IMAPS |
| Transport | TCP |
| Category |
Is port 993 safe?
Preferred secure port for email clients.
Frequently asked questions
What is port 993 used for?
Port 993 (TCP) is the standard port for IMAPS. IMAP over TLS — encrypted access to email kept on the server.
Is port 993 safe to open?
Preferred secure port for email clients.
Is port 993 TCP or UDP?
Port 993 commonly uses TCP.