Step 1: Open Eudora.

Step 2: From the Special menu choose Settings, which brings up the settings window.

Step 3: Click on Getting Started and enter the following from your Account Information:
Login Name: your Email Account/POP Username from your Account Information
Mail Server: mail.yourdomain.com
Real name:your name the way you want it to appear on messages from you
SMTP Server: mail.yourdomain.com
Return address: your E-mail Alias or E-mail/Reply-To Address from your Account Information.

Click OK

Step 4: You're Done! You have set up your Eudora Email program to check your EasyStreet email.

Eudora for Mac Setup - Instructions for checking an Additional Mailbox

Step 1: Setting Eudora for Macintosh to Check an Additional Mailbox
From the Special menu choose Settings, which brings up the settings window.

Step 2: Scroll down the Left side of the window, and click on Personalities
The information for your "Dominant" Personality will appear:

under Personality to Configure click New

Step 3: Give the New Personality a name, and enter the relevant information from your Oasis or other ISP's Account Information