I am getting this too….. I was trying to set up the free/trial account, enter my email address and it says “Email address is not valid”  I had this last week and this week, same issue.  I retyped my email many times, even used other emails and it never works.

Ideas?

Hi ​@drnyc , 

Welcome to Box Community and glad to help!

We've created a new case and a member of our team will contact you through email so please keep an eye out. 

Thanks for posting!