How to Change the POP3 and SMTP Ports YPOPs! Uses

Email Connections
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You can configure the ports YPOPs! uses for connections.

When YPOPs! Runs into Problems

Install YPOPs!, set up an account in your email program—usually easy—, and download mail from your free Yahoo! Mail account. It's all simple and straight forward.

Except, of course, when it is not. If all your email program presents to you are error messages,

  • make sure YPOPs! is running and
  • verify your email program is configured to talk to it at "".

After that, your first bet is to change the ports—the communication channels if you will—that YPOPs! and your email program use. Another program (a virus scanner perhaps) may already be occupying the standard ports.

Change the POP3 and SMTP Ports YPOPs! Uses

To alter the ports on which YPOPs! listens for communication from your email program to retrieve or send mail:

  1. Click on the YPOPs! system tray icon with the right mouse button.
  2. Select Configure from the menu.
  3. Go to the Network category.
  4. Type the desired POP port number in the POP3 Port field.
    • The default port for POP3 traffic (downloading mail) is "110".
    • If "110" does not work on your computer and you get a connection error in your email program, try "2110".
  5. Type the desired SMTP port number in the SMTP Port field.
    • The standard SMTP port (sending mail) is "25".
    • If sending mail through YPOPs! from your email program yields an error on port "25", try "2025".
  6. Click OK.
  7. Make sure you change the respective ports in your email program's "Yahoo! Mail through YPOPs!" account to correspond to the new YPOPs! port numbers.