Originally Posted by Polytonic

I'd like to create a Gmail filter to automatically forward ticketing emails to Flighty for their email import system.

Presumably for security reasons, Gmail requires the user to verify the forwarding email address by confirming receipt of an email sent to the forwarding address.

As I do not have the ability to login to said forwarding email address (owned by Flighty) it is impossible to verify said email address as a valid forwarding address.