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

Setup email on Android device

Updated 2026 Quick Answer To set up email on your Android device, use mail.yourdomain.com...

Outlook: Error Message: The Message Cannot Be Sent

Email | Updated 2026 Quick Answer This sending error typically means SMTP authentication...

Cannot write to cache directory /tmp/horde

Email & Webmail | Updated 2026 If you see the error "Cannot write to cache directory...

How to Set Up Google Workspace Email With Your Domain

Email & Webmail | Updated March 2026 Google Workspace (formerly G Suite) lets you use...

550 Access denied - Invalid HELO name

Email & Webmail | Updated 2026 The "550 Access denied - Invalid HELO name" error means...



Save 30% on web hosting - Use coupon code Hosting30