I would like to use a username alone.
Is it configurable in any way to accomplish this?
Hi thepra,
no, but there’s no sophisticated e-mail address validation, so you can just set the e-mail address username@domain.invalid, f.ex.
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Nice, thanks.
But I’m also wondering if I could reuse the same email too. Can I?
Unfortunately, this is not possible - the E-Mail address needs to be unique across all users in your deployment, that’s why I suggested to encode the username into the e-mail address with the invalid domain name, this will work.
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Mmm, can I use Unicode in the first part of the email address? Or there are checks that prevent such setup?
Against my expectations, this is possible 
Not sure what will break because of that, but you can at least give it a try.
mmmm, seems working with chinese too. I’m gonna try to update the import procedure and see how it will go.