Google Less Secure Apps Thunderbird. Has some useful comments such as oauth is more secure because it only need to decrypt the keyring (i.e. See google's article on less secure apps for help.
Make your account more secure. There is a special setting in google accounts to allow less secure applications access to your account. This message is for everyone who is using microsoft outlook or windows live mail (or thunderbird) together with their gmail account.
Non secure account switch (allow less secure apps).
In thunderbird, gmail imap mail accounts can connect using oauth2 instead of ssl/tls. But, that doesn't make them insecure. > > can anyone explain what this is all about? Google has many special features to help you find exactly what you're looking for.
