
Create a IMAP account using Tools -> Account Settings -> Add Mail Account and simply enter your name, email address and password, Thunderbird will configure your IMAP email account automatically.Backup your profile using Mozbackup in case something goes wrong.I basically followed the instructions available at with some modifications: On the computer already configured with POP3, you’ll have to create a new account and delete the old one. In order to go around this issue, you have to enable IMAP in your gmail account, by going to to Forwarding and POP/IMAP tab and selecting Enable IMAP then click Save Changes (See screenshot below). Thank you for your help.If you have setup your gmail account (with Google Apps or not) using POP3 in Thunderbird and want to retrieve your emails in more than one computer you’ll notice that the emails will only go to one of the computer, the first one to download the emails since last download. Read this answer in context 👍 1 All Replies (9) Once I had done this I re-setup the account and this time I had the OAuth windows and everything flowed smoothly. found and deleted two Gmail accounts in SMTP However, for anybody else having a similar problem, here's what I did and GMail setup now works:Ģ. I wish I had done the following steps one by one rather than all at once, because then I would know which step was the culprit.

check that the authentication for the incoming and outgoing servers is OAuth2 (was done automatically when adding the account), then restart TB and enter the (confirmed working) account password in the OAuth browser window, where you grant TB access check that cookies are allowed in TB Options/Privacy & Securityģ.


Remove all items in Options/Privacy & Security/Passwords/Saved PasswordsĢ.
