I am a guest. How can I update my email address? Hostology 05 March 2020 18:53 Updated Please contact your hosts. They will update your email address (and any other details) for you. Related articles How do I RSVP and add dietary requirements? How do I create an account? How do I reset my password? How do I watch the Hostology webinars? How do I view, book and pay for my accommodation? Comments 0 comments Article is closed for comments.