AJAX function w/ Mailgun, getting “ERROR Request header field Authorization is not allowed by Access-Control-Allow-Headers”

Question

I\'m working on making an AJAX call that hit the Mailgun API to send email. Documentation on Mailgun says that post requests should be made to \"https://api.mailgun.net/v3/d

Answer 1

Drazisil is correct above. The response needs to include Access-Control-Allow-Headers: Authorization as you are including that header in your request and Authorization is not a simple header.