From the Email menu, choose New accounts. This will open the Email account properties box, where you will want to enter the following:

Account Tab

Account name: Your Account Name
Full name: Your Name
Email address: Your Email Address
Organization: (Optional)
Reply-To: (Optional)

Servers Tab

Incoming

Server: yoursite.com
Protocol: POP3
Port: 110
Username: Your Email Username
Password: Your Email Password

Outgoing

Server: yoursite.com
Protocol: SMTP
Port: 25

 

Server Authentication

Opera 6 does not support Server Authentication, which you'll need to send email through our servers. However, the following work-around is posted on their site and copied here) under their Knowledge Base. Check the following options under the Outgoing Tab:

Queueing

Queue e-mail (do not send immediately)
Send queued e-mail after checking e-mail

Congratulations, you've now setup Opera 6 to use your email account. Repeat the above steps to setup further email accounts.