Based on this answer I want to track the status of an email, in order to determine if the system should try to resend the undelivered mail one more time. I have created the listener: class MailJetS...

How do I add the Reply To email header in Mailjet API? Or other headers? Google search reveals the property ReplyEmail but that is only for Newsletter.Resource and not for Send.Resource.

I am playing around with the python mailjet api, and found that I can set the sender's name so instead of emails showing up from "Info" ([email protected]) I can have them show up from "Carlos...