From the Eudora program, click 'Special' on the top toolbar, then click 'Settings'. n the configure 

In the left column, click 'Getting Started', and enter the mail settings. 

In the Username field, enter your username in lowercase letters.

For Mail Server, enter: pop.tcq.net

In the field labeled 'Real Name', enter your name

In the field labeled 'SMTP Server', enter: smtp.tcq.net

In the left column, click 'Checking Mail'. Account and Server Information. For 'Mail Protocol', select POP. Also, check the 'Save Password' box. 

On the left column, click 'Checking Mail'

For 'Default Domain', enter tcq.net. 

Click 'Allow Authentication'.

Click OK when finished. You are now ready to use Eudora 5.0.