Unable to sign into Yahoo with Thunderbird or Firefox
I've recently set up Thunderbird on Linux Mint 22.2 and was unable to sign into Yahoo so I tried to sign in with Firefox instead and had the same errors :-
Something went wrong We could not sign you in. Try again from a different device.
OR
We couldn’t sign you in Change your browser settings to continue. Try the following: Turn off ad blockers Enable JavaScript
If you still can’t sign in, try a different device.
I can sign in with Chrome without any problems on the same workstation. Firefox version :- 147.0.4 (64-bit)
Only Extension is Privacy Badger, but this is disabled for Yahoo.com
Thunderbird version :- 148.0 (64-bit)
No extensions - as installed from Thunderbird download site
I'm not having any issues signing into any other websites / email accounts (Google, Hotmail).
I notice on the support website :- https://support.mozilla.org/en-US/kb/thunderbird-and-yahoo it says "Starting with version 148, Thunderbird is switching to a more secure authorization protocol PKCE for Yahoo" BUT this isn't offered in the list of Authentication methods, has PKCE been delayed? Currently using OAuth2 for Thunderbird
Opaite Mbohovái (5)
Currently using OAuth2 for Thunderbird
You're still using OAuth2 for authentication for Yahoo. With PKCE, a more secure auth handshake method is being used.
When being prompted for re-authentication make sure cookies are allowed in Thunderbird.
Wayne Mery said
Also, Firefox isn't involved here.
?? I can't log in from the Firefox browser so how come Firefox isn't involved??
Please try a private browser window/tab and I may be better able to answer your question.
christ1 said
Currently using OAuth2 for ThunderbirdYou're still using OAuth2 for authentication for Yahoo. With PKCE, a more secure auth handshake method is being used.
When being prompted for re-authentication make sure cookies are allowed in Thunderbird.
Unfortunately PKCE isn't offered as an option in the drop down list and the auto setup is selecting OAuth2. I did a grep for both OAith2 and PKCE in the thunderbird Dir and both appear to be in the binary file omni.ja, but only OAuth2 is in libxul.so. When doing an ignore case grep the results are the same for OAuth2, but PKCE occures in 6 files :- crashhelper, libmozsandbox.so, libxul.so, omni.ja, pingsender, thunderbird-bin Don't know if that is relevant? How can I access PKCE if it isn't listed?
I've had the same problem on Mint installed on an Intel iMac I'm thinking Yahoo isn't compatible with more secure browsers as I can't log on with the Brave browser on a Zorin workstation either.
I've tried to use a private window in Firefox and get the same errors.
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