I also cannot recieve my activation email. However I can recieve password reset emails, and password confirmation emails.
Considering how many forum threads I found about this same issue, maybe some resources should be put into fixing this...
Welcome to the community Harold,
Confirming that your account has just been activated, and you can now enjoy the full benefits of the Education Community!
I have already activated your account. You should now be able to log in and enjoy the benefits of the site. :-)
Access a broad range of knowledge to help get the most out of your products and services.