(.NET Core C#) Get SpamAssassin Score for an Email

Uses Postmark’s spam API (a RESTfull interface to the SpamAssassin filter tool) to analyze an email to get a spam score.

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

bool success;

// First build an email to check.
Chilkat.Email email = new Chilkat.Email();
email.Subject = "this is a test";
email.From = "support@chilkatsoft.com";
email.AddTo("John Doe","john@example.com");
email.AddPlainTextAlternativeBody("this is a test");
email.AddHtmlAlternativeBody("<html><body><b>Hello John!</b><p>This is a test</p></body></html>");
success = email.AddFileAttachment2("qa_data/jpg/starfish.jpg","image/jpeg");

// Check this email by implementing this curl command:

// curl -X POST "https://spamcheck.postmarkapp.com/filter"
// -H "Accept: application/json"
// -H "Content-Type: application/json"
// -v
// -d '{"email":"raw dump of email", "options":"short"}'

Chilkat.JsonObject json = new Chilkat.JsonObject();
json.UpdateString("email",email.GetMime());
json.UpdateString("options","short");

Chilkat.Http http = new Chilkat.Http();
Chilkat.HttpResponse resp = http.PostJson3("https://spamcheck.postmarkapp.com/filter","application/json",json);
if (http.LastMethodSuccess != true) {
    Debug.WriteLine(http.LastErrorText);
    return;
}

Debug.WriteLine("response status code = " + Convert.ToString(resp.StatusCode));
Debug.WriteLine("response body: ");
Debug.WriteLine(resp.BodyStr);