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I did the following sequence after installing GIT in my note with windows 10:
$ git config --global user.name "Fabrício Valle"
$ git config --global user.mail "meu email"
*informed my email correctly, with own domain. I also used with another email, gmail.
In that step, you made the following mistake:
~$ git config --global user-mail "[email protected]" error: key does not contain a Section: user-mail
The same with the command $ git config --global core-editor subl gave the same error as "key does..." error: key does not contain a Section: core-editor
– Fabricio Valle