1. Start Eudora, and on the Tools menu, click Options

  2. Select Getting Started within the Tool Bar to the left.

  3. Real name: Your name as you wish it to appear. 

  4. Return address: The e-mail address that you would like e-mail returned to.

  5. Mail Server (Incoming): For this field use mail.yourdomainname.com or your IP address.

  6. Login Name: This was assigned for you when you setup this e-mail address in your Control Panel.

  7. SMTP Server (Outgoing): For this field use mail.yourdomainname.com or your IP address

  8. Make sure that Allow authentication is checked

  9. Then click OK (Note the first time that you check your e-mail account, you will be prompted to enter your password).

  10. Close the Eudora.

  11. Double click on your My Computer icon on your desktop.

  12. Click to the following directory at which Eudora 5.1 is usually installed: C:\Program Files\Qualcomm\Eudora\extrastuff 

  13. Located the file named esoteric.epi

  14. Copy this file into the root level of the Eudora directory.

  15. Close all windows. Start Eudora, and on the Tools menu, click Options.

  16. Scroll to the bottom of the menu bar until you find the icon titled Port.

  17. Check if the SMTP Port has (25) field. Remove any other numbers in the other fields and click OK .