• Open Eudora.

• Click the No button.

• Click the Getting Started icon.
• In the Username field, type your entire username.
• In the Mail Server field, type your yourdomain.com.
• In the Real Name field, type your name.
• In the SMTP Server field, type yourdomain.com.
• In the Return Address field, type your entire email address.
• Click the Sending Mail icon.

• Check the box next to Allow authorization.
• Click the Attachments icon.

• Click the AppleDouble ("MIME") radio button in the Encoding method area.
• Click the OK button.