Can Not verification

Can Not verification  

  By: mrdongsonny on Dec. 28, 2021, 7:03 a.m.

Dear Grand Challenge:

Notifying me that my email has been rejected:
Email hosted by cannot be used for verification due to abuse. Please contact support to verify your account another way.
my email is, This is my first time to register,so I was very confused

Looking forward to your reply,thank you very much!

best regards

Re: Can Not verification  

  By: chris.vanrun.diag on Dec. 28, 2021, 2:36 p.m.

Dear Dong Wenhui,

Unfortunately that domain cannot be used for automated verification, but we can do this manually. Do you have a faculty webpage or some other public site?

Kind regards,