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One Gmail account imported all of the settings, including the Inbox. The other Gmail account recieves this:

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Then the following error, as it won't open to Google to confirm (it did with the other account)

Please sign in Oauth sign in failed OAuth 2.0 is currently not supported with this provider Retry

Hi. I have Thunderbird installed on my Galaxy S25 phone and Galaxy Tab S8 tablet. If I send an email from either of those 2 devices 2 copies of the same message appear in the 'Sent Items' folder. Two messages also appear in the 'Sent Items' folder of Outlook on my PC. If I send a message from Outlook on my PC only 1 message appears (as it should do). Is there something that can be done to correct this so that the message only appears once? Kind regards, Paul Goddard

I don't know if I just have something configured wrong or if this is a bug.

In case it is relevant, I originally came from the K-9 app and imported my settings to the new Thunderbird app. K-9 is now uninstalled.

I have more than one account, and each inbox is set to show in Unified Inbox.

When I get any new email for any account, I actually get 2 of the exact same notification for each email. There isn't actually 2 emails with the same sender and subject line, when tapping on either of the notifications the app opens and there is just the one email.

I thought maybe Unified Inbox had its own notification setting which might explain why I was getting notified twice, but if there is I cannot find it.

I could always try removing all the accounts and re-adding them, but since I have quite a few I would like to avoid that if I can (and why I chose importing from K-9 rather than manually adding and configuring each one).

Thanks for any assistance.