First Steps for Getting Thunderbird/Other IMAP to Work with Math Email

You need to enable IMAP in your GMail account.  Here's how:

  1. Sign in to Gmail.
  2. Click the gear icon on the top right. 
  3. Select Settings.
  4. Click Forwarding and POP/IMAP.
  5. Select Enable IMAP.
  6. Click Save Changes.