The Best Alternatives for Security Questions and Rescue Mail
1. Send Apple an email request at: Apple - Support - iTunes Store - Contact Us.
2. Call Apple Support in your country: Customer Service: Contact Apple support.
An alternative to using the security questions is to use 2-step verification:
Click here for information. If you can't get the answers emailed to you for some reason(the email may take a few hours to arrive), contact the iTunes Store staff via the link in that article. The forms at the bottom of the articles aren't links to Apple Support.