If you have already tried this, please check the following two points.
1.Reconfirm the email address you used for registration
Make sure it has correct full-width and half-width characters and no misspellings, and then try again.
- Check your filtering settings
authentication emails are sent from the domain "email@example.com"
If you have set your browser to reject PC emails, you may not be able to receive them
Allow emails from the "firstname.lastname@example.org" domain and please try again.
*Please refer to your carrier's website or instructions on how to set your domain name, as the method of operation differs depending on the email application you are using.