(Delphi ActiveX) 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.

Chilkat for Delphi Downloads

Chilkat ActiveX DLL for Delphi

Chilkat non-ActiveX DLL for Delphi

* The examples here use the ActiveX DLL.

uses
    Winapi.Windows, Winapi.Messages, System.SysUtils, System.Variants, System.Classes, Vcl.Graphics,
    Vcl.Controls, Vcl.Forms, Vcl.Dialogs, Vcl.StdCtrls, Chilkat_TLB;

...

procedure TForm1.Button1Click(Sender: TObject);
var
success: Integer;
email: TChilkatEmail;
json: TChilkatJsonObject;
http: TChilkatHttp;
resp: IChilkatHttpResponse;

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

// First build an email to check.
email := TChilkatEmail.Create(Self);
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"}'

json := TChilkatJsonObject.Create(Self);
json.UpdateString('email',email.GetMime());
json.UpdateString('options','short');

http := TChilkatHttp.Create(Self);
resp := http.PostJson3('https://spamcheck.postmarkapp.com/filter','application/json',json.ControlInterface);
if (http.LastMethodSuccess <> 1) then
  begin
    Memo1.Lines.Add(http.LastErrorText);
    Exit;
  end;

Memo1.Lines.Add('response status code = ' + IntToStr(resp.StatusCode));
Memo1.Lines.Add('response body: ');
Memo1.Lines.Add(resp.BodyStr);
end;