IMAP over SSL. Encrypted email access. The standard for secure email clients.
Test it now with our Port Scanner
| Port | 993 |
|---|---|
| Service | IMAPS |
| Protocol | TCP |
| Encrypted | Yes (TLS/SSL) |
| Common Use | IMAP over SSL |
Online: Use our Port Scanner — enter your IP and port 993.
Command line:
nc -zv your-server-ip 993 (Mac/Linux)
Test-NetConnection -ComputerName your-server-ip -Port 993 (PowerShell)
Check locally:
ss -tlnp | grep :993 (Linux) netstat -an | findstr :993 (Windows)