can't create sega id

[Kaizer275]

i tried multiple time to create sega id but after I provide my email all I got is this

"We received a new registration sign up for SEGA ID,
The e-mail address can not be used on this site.
Please register again with a different e-mail address.

★ If in this email do not recognize
In SEGA ID new registration page, your email address may have been entered incorrectly.
We apologize for the inconvenience, please This e-mail is discarded.

【please note】
Because this e-mail delivery only, it can not answer even if the reply.
Inquiries are accepted in the following.

[Contact]
Please contact me from "Contact Us" in the "SEGA ID management page".

so I tried with my other email the outcome is still the same

[Makillda]

I used my gmail and it worked fine. What email service are you trying to use?

[wefwq]

SEGA doesn't accept some email provider, gmail work like a charm though.