All mail protocol port number list
Here is a list of common mail protocol port numbers:
SMTP (Simple Mail Transfer Protocol)
- Port 25: SMTP (default port)
- Port 587: SMTP over TLS (Transport Layer Security)
- Port 2525: SMTP over SSL/TLS (Secure Sockets Layer/Transport Layer Security)
POP3 (Post Office Protocol version 3)
- Port 110: POP3 (default port)
- Port 995: POP3 over SSL/TLS
IMAP (Internet Message Access Protocol)
- Port 143: IMAP (default port)
- Port 993: IMAP over SSL/TLS
Other mail-related protocols
- Port 4190: IMAPS (IMAP over SSL/TLS)
- Port 465: SMTPS (SMTP over SSL/TLS)
- Port 587: Submission (SMTP submission over TLS)
- Port 995: POP3S (POP3 over SSL/TLS)
Note: Some mail servers may use non-standard ports, so it's always a good idea to check with your email provider or server administrator to confirm the port numbers in use.
Here's a summary of the most commonly used mail protocol port numbers:
| Protocol | Default Port | Secure Port |
|---|---|---|
| SMTP | 25 | 587 (TLS), 2525 (SSL/TLS) |
| POP3 | 110 | 995 (SSL/TLS) |
| IMAP | 143 | 993 (SSL/TLS) |
Remember to use the correct port number when configuring your email client or server to ensure proper communication and secure data transfer.