(C#) 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 .NET Downloads Chilkat .NET Framework Chilkat for .NET Core

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

Chilkat.Http http = new Chilkat.Http();
bool success;

// 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.Login = "api";
http.Password = "sending_api_key";//  Replace with your actual sending API key.

Chilkat.HttpRequest req = new Chilkat.HttpRequest();
req.HttpVerb = "POST";
req.Path = "/v3/YOUR_DOMAIN_NAME/messages";
req.ContentType = "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!");

Chilkat.HttpResponse resp = http.SynchronousRequest("api.mailgun.net",443,true,req);
if (http.LastMethodSuccess == false) {
    Debug.WriteLine(http.LastErrorText);
    return;
}

Chilkat.StringBuilder sbResponseBody = new Chilkat.StringBuilder();
resp.GetBodySb(sbResponseBody);
Chilkat.JsonObject jResp = new Chilkat.JsonObject();
jResp.LoadSb(sbResponseBody);
jResp.EmitCompact = false;

Debug.WriteLine("Response Body:");
Debug.WriteLine(jResp.Emit());

int respStatusCode = resp.StatusCode;
Debug.WriteLine("Response Status Code = " + Convert.ToString(respStatusCode));
if (respStatusCode >= 400) {
    Debug.WriteLine("Response Header:");
    Debug.WriteLine(resp.Header);
    Debug.WriteLine("Failed.");

    return;
}

// 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

string id = jResp.StringOf("id");
string message = jResp.StringOf("message");