{"success":true,"message":"Email API is working!","usage":{"method":"POST (recommended) or GET","required_fields":["to","subject","body"],"optional_fields":["altBody"],"example_post":{"to":"recipient@example.com","subject":"Test Email","body":"<h1>Hello!<\/h1><p>This is a test email.<\/p>","altBody":"Hello! This is a test email."}}}