Sorry about that.
Our support desk reply may take up to 24 hours, you may be in hurry so that's why you feel we're late.
If you use microsoft mail service, such issues may occur due to filtering rules they apply, you can add hulkfile.eu and hulkfile.com in your trusted senders to fix this and then request new activation email.
Or simply send a message from your email to "support@hulkfile.eu" contains your username and we will take this as a verification.
Note: Usually Facebook sign up bypass all these steps and give you a verified account instantly.
Thanks