Within Eudora, Select "Tools" and then Select "Options".
Within the Tool Bar on the left side of the Box, Select "Getting Started"
Enter your POP Account Information, example username@yourdomain.com
(the following two steps are optional)
Enter your Real Name, example John Doe
Enter your Return Address, example username@yourdomain.com
After completing the first section, Select "Hosts" within the Tool Bar.
Enter the SMTP Mail Server as mail.yourdomain.com.