gistfile1.txt

func email(_ req: Request) throws -> Future<Response> {
        
        let message = Mailgun.Message(
            from: "mg@sandbox339393939393.mailgun.org",
            to: "myemail@myprovider.com",
            subject: "Newsletter",
            text: "This is a newsletter",
            html: "<h1>This is a newsletter</h1>"
        )
        
        let mailgun = try req.make(Mailgun.self)
        return try mailgun.send(message, on: req)
    }