If you are a current subscriber to Traveling Mailbox, please email support@travelingmailbox.com to be added to the affiliate system so you can get an affiliate URL.
If you are not an active Traveling Mailbox subscriber, you can join the affiliate program here: https://travelingmailbox.com/affiliate-area.
To learn more about the Traveling Mailbox affiliate program, visit this link: https://travelingmailbox.com/affiliates