Transactional emails (password reset, invoices, etc.) are sent from subscriptions@futureflight.aero and our newsletter from news@futureflight.aero. Please add both of these email addresses to your list of trusted contacts.
Please also check your spam folder/filter for emails from FutureFlight.
If you are experiencing a larger issue with a corporate firewall, please contact us at support@futureflight.zendesk.com