[MlMt] Google login issues?

[Kee Hinckley]

I haven't tried any of those solutions yet. I _did_ discover that the 
best way to deal with it is to hit cancel and then go reenable the 
account. Most of the time it then succeeds without the 400 error. 
There's no actual need to renew the token. Sure feels like a Google bug. 
Maybe some attempt at spam limiting?

Note these (year+ old) comments about issues with Google OAUTH2 with 
multiple accounts. Not sure if they are relevant.
http://stackoverflow.com/questions/30212728/google-oauth2-and-400-bad-request-bug-on-google-side
http://stackoverflow.com/questions/30511843/google-oauth2-returns-bad-request-when-logged-with-multiple-accounts



On 30 Aug 2016, at 23:34, Benny Kjær Nielsen wrote:

> On 31 Aug 2016, at 5:33, Kee Hinckley wrote:
>
>> At this point it's pretty much unusable. I have to go through 2-4 
>> password prompts for 4-6 accounts, and then an hour later, do it 
>> again.
>
> The latter indicates that it happens every time MailMate has to get a 
> new access token. I'm not seeing this myself (2 accounts), but two 
> tweets during the night (my night) indicates that you are not alone. 
> This indicates that it's not an issue only on your machine.
>
> The logs only tell me that authentication repeatedly fails with a 
> generic 400 error (I think the OAuth2 specification actually requires 
> Google to be more specific, but I might be wrong). Such an issue 
> currently triggers MailMate to re-authenticate the account since the 
> problem could be that the wrong Gmail account has been used to 
> authorize an IMAP account.
>
> (The most recent test release of MailMate does fix an OAuth2 related 
> issue, but based on your logs then this is not related to your issue.)
>
> If it's still an issue then you might be able to fix it temporarily 
> switching of OAuth2 in the IMAP account editor, but I don't recommend 
> this as a general solution (and it might not work for you since Google 
> does not allow it for all accounts).
>
> You can also try to reset anything MailMate knows about OAuth2 tokens 
> for this account. Open the “Keychain Access” application and look 
> for entries named like this:
>
> 	com.freron.MailMate.Google.oauth-*
>
> If you delete all of them then MailMate should ask for passwords 
> (again), but it won't help if the problem is at Google's end.
>
> -- 
> Benny


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