Enable POP in your webmail account.
Open Eudora 5.1 (Sponsored & Paid Modes) .
Click Tools > Personalities.

Right-click in the Personalities box and select New.
Follow the instructions in the New Account Wizard, using the following settings:
Personality Name: Enter an account name and click Next.

Account Settings: select Create a brand new email account and click Next.

Personal Information: Enter your name as you would like it to appear in the
From field of your messages. Click Next.

16. Email Address: Enter your full Gmail email address
in the Email Address field, and click Next.

Login Name:
Enter your Gmail username (username@gmail.com) in the Login Name field, and click Next.

Incoming Email Server:
Enter pop.gmail.com in the Incoming field. Select the POP radio button and click Next.

Outgoing Email Server:
enter smtp.gmail.com in the Outgoing field. Select Allow authentication and click Next.

Click Finish.
Right-click on the personality you just created and select Properties.

Click the Incoming Mail tab.
Set Secure Sockets when Sending to Required, Alternate Port.

Click OK.