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gmail email download to Thunderbird

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from today I cannot download my gmail to Thunderbird, I'm getting always here below error code:

“400 invalid_request” or “Access blocked: App sent an invalid request,” it means the app uses an authorization method that Google doesn't allow. Google has safe ways for you to sign in and share your Google Account data with third-party apps and sites.

Please let me know how to proceed.

Thank you

from today I cannot download my gmail to Thunderbird, I'm getting always here below error code: “400 invalid_request” or “Access blocked: App sent an invalid request,” it means the app uses an authorization method that Google doesn't allow. Google has safe ways for you to sign in and share your Google Account data with third-party apps and sites. Please let me know how to proceed. Thank you

Chosen solution

Thank you for your reply. I solved by Set Up Your Existing Email Address and abbandoned the previous.

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Please post your Troubleshooting Information. At the top right of the Thunderbird window, click the menu button ≡, then select Help > More Troubleshooting Information. Press the "Copy text to clipboard button" and paste the information into your reply.

Helpful?

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Chosen Solution

Thank you for your reply. I solved by Set Up Your Existing Email Address and abbandoned the previous.

Helpful?

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