What port does POP3 run on?

Email | Updated 2026
Quick Answer

POP3 uses port 110 (unencrypted) or port 995 (SSL/TLS). We strongly recommend using port 995 with SSL enabled for security. IMAP uses port 143 or 993 (SSL). SMTP uses port 25/587 or 465 (SSL).

For complete email protocol comparison and all port numbers:

POP3 vs IMAP - Choosing the Right Email Protocol

This article has been consolidated into our POP3 vs IMAP guide for easier reference.

  • 494 Users Found This Useful

Was this answer helpful?

Related Articles

Emails Bouncing Back

Email & Webmail | Updated March 2026 When an email bounces, you receive a delivery...

What is my master mail account?

Email & Webmail | Updated 2026 Your master mail account is the default email account that...

Common Outlook Email Errors

Email & Webmail | Updated March 2026 Microsoft Outlook gives specific error codes when...

Folders in Roundcube Are Missing

Email & Webmail | Updated March 2026 If you log into Roundcube Webmail and your Sent,...

Domain has exceeded the max defers and failures per hour

Email and Webmail | Updated 2026 If you see the error "Domain has exceeded the max defers and...



Save 30% on web hosting - Use coupon code Hosting30