Start Thunderbird (you can find it under the Start menu)
Under the Tools menu, click Account Settings.
Click the Account Actions button, then click Add Mail Account...
For Your name enter the display name you'd like to appear in the "From line of your emails. For instance, "John Smith" or "RegCA Sales".
For E-mail address, enter the email address you'd like to use at your domain. For example: john@my-domain.ca, webmaster@my-domain.ca,
info@my-domain.ca, etc.
Enter your password in the Password field.
Click Continue
Click Manual config
Incoming can be either POP3 or IMAP.
The Server hostname should be "mail." followed by your domain name, such as mail.my-domain.ca
The Port should be 110 for POP3, or 143 for IMAP. SSL should be "None". Authentication should be "Normal Password".
Outgoing will be SMTP.
The Server hostname should be "mail." followed by your domain name, such as mail.my-domain.ca
The Port should be 587. This port is occasionally blocked by your ISP. For our PortTest tool which can scan available port options for your ISP,
click here.
SSL should be "None". Authentication should be "Normal Password".
The Username should be your FULL email address (Thunderbird automatically strips out the domain name, so please put it back in). For example: john@my-domain.ca
Click Create Account.
You may get a warning that encryption is not enabled. If so, click "I understand the risks", then click Create account.
These instructions were written for Mozilla Thunderbird 8.0. If you are using an older version, we recommend upgrading by going to the Help
menu, and clicking About.