Why a user can use localdomain eamil address as register email?

https://github.community/t/why-a-weird-email-linked-to-a-wrong-user/136334/2?u=x-21

It looks like this user use an illegal email address and verify it. How did he make it?

Unverified email addresses can be used for commit attribution. I hope that clears things up!

But why this commit was linked to the user?

If you add an email to your account, and commit using that email, it will be attributed to your account. It doesn’t need to be verified.

I got it, thank you canuckjacq.