(Go) Mailgun Send Simple Email

See more Mailgun Examples

Send a simple email using Mailgun.

For more information, see https://documentation.mailgun.com/en/latest/api-sending.html#sending

Chilkat Go Downloads Go Package for Windows, MacOS, Linux, Alpine Linux, Solaris

    // This example assumes the Chilkat API to have been previously unlocked.
    // See Global Unlock Sample for sample code.

    http := chilkat.NewHttp()
    var success bool

    // Implements the following CURL command:

    // curl -s --user 'api:SENDING_API_KEY' 
    // 	 https://api.mailgun.net/v3/YOUR_DOMAIN_NAME/messages 
    // 	 -F from='Your Name <mailgun@YOUR_DOMAIN_NAME>' 
    // 	 -F to='Joe Example <joe@example.com>' 
    // 	 -F subject='Hello Joe Example' 
    // 	 -F text='Congratulations Joe Example, you just sent an email with Mailgun!  You are truly awesome!'

    // Use the following online tool to generate HTTP code from a CURL command
    // Convert a cURL Command to HTTP Source Code

    http.SetLogin("api")
    http.SetPassword("sending_api_key")    //  Replace with your actual sending API key.

    req := chilkat.NewHttpRequest()
    req.SetHttpVerb("POST")
    req.SetPath("/v3/YOUR_DOMAIN_NAME/messages")
    req.SetContentType("multipart/form-data")

    // Change YOUR_DOMAIN_NAME to something like "mg.your-domain.com".
    req.AddParam("from","Your Name <mailgun@YOUR_DOMAIN_NAME>")
    req.AddParam("to","Joe Example <joe@example.com>")
    req.AddParam("subject","Hello Joe Example")
    req.AddParam("text","Congratulations Joe Example, you just sent an email with Mailgun!  You are truly awesome!")

    resp := http.SynchronousRequest("api.mailgun.net",443,true,req)
    if http.LastMethodSuccess() == false {
        fmt.Println(http.LastErrorText())
        http.DisposeHttp()
        req.DisposeHttpRequest()
        return
    }

    sbResponseBody := chilkat.NewStringBuilder()
    resp.GetBodySb(sbResponseBody)
    jResp := chilkat.NewJsonObject()
    jResp.LoadSb(sbResponseBody)
    jResp.SetEmitCompact(false)

    fmt.Println("Response Body:")
    fmt.Println(*jResp.Emit())

    respStatusCode := resp.StatusCode()
    fmt.Println("Response Status Code = ", respStatusCode)
    if respStatusCode >= 400 {
        fmt.Println("Response Header:")
        fmt.Println(resp.Header())
        fmt.Println("Failed.")
        resp.DisposeHttpResponse()
        http.DisposeHttp()
        req.DisposeHttpRequest()
        sbResponseBody.DisposeStringBuilder()
        jResp.DisposeJsonObject()
        return
    }

    resp.DisposeHttpResponse()

    // Sample JSON response:
    // (Sample code for parsing the JSON response is shown below)

    // {
    //   "id": "<20210429234809.1.2D550E1C94D3D98F@sandbox0e542e4c577f4bbb98c8bf6b6bca727b.mailgun.org>",
    //   "message": "Queued. Thank you."
    // }

    // Sample code for parsing the JSON response...
    // Use the following online tool to generate parsing code from sample JSON:
    // Generate Parsing Code from JSON

    id := jResp.StringOf("id")
    message := jResp.StringOf("message")

    http.DisposeHttp()
    req.DisposeHttpRequest()
    sbResponseBody.DisposeStringBuilder()
    jResp.DisposeJsonObject()