This doesn't work with Gmail - unless you allow access to less secure apps. Apparently, this is because this app doesn't support OAuth. This issue also exists in K-9 Mail, but there are some folks who are working on it over there. This thread provides a good amount of implementation info: thunderbird/thunderbird-android#655
This doesn't work with Gmail - unless you allow access to less secure apps. Apparently, this is because this app doesn't support OAuth. This issue also exists in K-9 Mail, but there are some folks who are working on it over there. This thread provides a good amount of implementation info: thunderbird/thunderbird-android#655