Setting up Thunderbird

Select Account Settings from the Tools menu.

Click the Add Mail Account button in the bottom-left corner of the window.

Type in your Name, Email Address and Password.

Your Name will be the name appearing, when people receive emails sent through Thunderbird.

Email Address is your email address created in your control panel. In this example mail@yourdomain.com yourdomain.com being your own domain name.

Password is the password that you selected for the email account in the Control Panel

Thunderbird will now look up the settings for your email account. Click Stop to interrupt Thunderbirds' automatic setup.

Click Manual Setup to continue

Select Server Settings

For Server Name type in imap.yourdomain.com and for port number enter 143.

For User Name type in your full email address.

In the Security Settings menu for Connection security, select None.

Select Outgoing Server and click Add...

For Description you can enter whatever you like. For Server Name, enter send.one.com and for Port enter 2525.

Make sure to tick Use name and password, and enter your full email address for User Name.

Click OK to finish setup.