Why don't you let Thunderbird find the correct server settings automatically?

If you want to use Manual Configuration, use 'OAuth2' instead of 'Normal password' as Authentication method for both, the incoming, and outgoing server.

Hello Christ, We tried your recommendations but it didn't work. See attached picture.

Thanks for your help in this matter.

David Nemeth

We tried your recommendations but it didn't work.

What exactly didn't work?

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