Make sure your using e-mail is valid. Avoid using some free e-mail accounts (such as, Yahoo Mail), for replacement of email, please go home page, select the series, at the page of download the software, you could reapply for an account or key license.
The mail identified as spam?
Please ask if your company's firewall blocks BenQ's (firstname.lastname@example.org) letters, and takes as a spam.
The email consider as a spam?
Please check your junk mail box for a verification letter. If so, please add BenQ (email@example.com) to your email contacts (address book) to avoid the above situation from happening again."