Setup your Emails in Thunderbird

1:
Open Thunderbird on your Computer and go to Tools -> Account Settings .

If this is the first time you've opened Thunderbird since installing the program, Thunderbird will open a pop up asking if you'd like to 'Create a new Email Address' or use an existing one. Choose the existing mailbox option and go straigh to Step 3 of this guide.

2:
In the bottom left hand corner is an ' Account Actions ' drop down. Click on this and choose ' Add Mail Account '

3:
On the next page, enter your name, your full email address and the mailbox password. Press ' Continue '.

If you don't know your mailbox password, reset it here.

4:
Thunderbird should automatically configure the mailbox with IMAP selected. You should see:

5:
If you don't see this, press 'Manually Configure'. Then, enter the details as so: