Re: [Evolution] How often should I expect OAuth2 authentication to fail ?

[Japhering <japhering gmail com>]

On Mon, 2019-07-01 at 12:38 +0200, Milan Crha via evolution-list wrote:
> On Thu, 2019-06-27 at 11:09 -0500, Japhering via evolution-list
> wrote:
>
> Then I installed the flatpak version.
>
>       Hi,
> I tried on a Fedora 30 machine, which runs GNOME, and installed
> Evolution Flatpak version from Flathub. I configured a new account
> there, instead of using any backup. I did not left checked to add
> also
> Calendars and Contacts for the Gmail account. I also opened Seahorse
> and deleted the OAuth2 token from there (on the host machine). Then I
> ran Evolution from Flatpak (it says in Help->About: 3.32.3 (flatpak
> git)). I've been asked to login to the Google site to get the OAuth2
> token. This worked flawlessly. I saw my mail messages from Gmail.
> After
> that I closed Evolution and ran it again (flatpak run
> org.gnome.Evolution) and I've not been asked to re-renter my OAuth2
> token, neither I saw any error in the GUI, the account successfully
> connected to the server.
>
>
> Shutdown Evolution.  Upon restart the flatpak version comes up and
> pitches the following error.
>
>    (evolution.bin:57): e-mail-engine-WARNING **: <time>: Failed to
> add
>    service 'Sendmail'(sendmail): No provider available for protocol
>    "sendmail"
>
> That's (more or less) correct, the Flatpak version doesn't have
> access
> to the host system sendmail, thus it is disabled in the code.
>
>
> In the error window with in Evolution shows
>
>    Data source “<email>” does not support OAuth 2.0 authentication
>
> for each account trying to use OAuth2.
>
> For each mail account, or others?
>
>
> Both accounts are setup with 
>
>    Receiving Email:
>       Server:  imap.gmail.com  Port:993
>       Encryption method:  TLS on a dedicated port
>
> I have the same.
>
>
>    Sending Email:
>       Server:   smtp.gmail.com  Port: 587
>       Encryption method:  STARTLS after connecting
>
> I use port 465 and "TLS on a dedicated port", which had been auto-
> selected by the configuration lookup. This may not have any impact,
> because it's used only when sending messages, not when receiving
> them.
> The authentication type says "OAuth2 (Google)" for both parts of the
> mail account. The "gmail.com" in the addresses (for both IMAP and
> SMTP)
> can be changed to "googlemail.com" and it should work too.

I've tried both ports and both methods .. neither of which worked
> Neither is successful at authenticating with the Gmail servers.
>
> Works fine for me. I also tried with the added Calendar and Contacts
> (at the end of the New Mail Wizard) and it works fine too.
>
> I didn't have it running for several hours, of course, I simply tried
> to close evolution and run it again, which I understood as being one
> of
> the ways to reproduce the error message for you.
>
> This might be a stupid question, and I apologize for it: did you
> install the Flatpak version from Flathub or from anywhere else? I did
> use the Flathub version myself and I suppose you did too.

Yes, from flathub.
> The main difference I can see, apart of using different distribution,
> is that I configured the account from scratch, while you used some
> backup. Could you try with a fresh account instead, please? I do not
> see anything else different, especially when you use the same Flathub
> version as I do.

Ok.. I'll scratch one machine and rebuild flatpak and NOT import data. 
It will be a day or two.


Mike