Lazarus Pascal Requires Chilkat v11.0.0+

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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Lazarus Pascal

program ChilkatDemo;

// Demonstrates using the Chilkat Pascal wrapper via the C bridge DLL.
// Builds as a console application under Lazarus (FPC) or Delphi.

{$IFDEF FPC}
  {$MODE DELPHI}
{$ENDIF}
{$APPTYPE CONSOLE}

uses
  {$IFDEF UNIX}
  cthreads,
  {$ENDIF}
  SysUtils,
  CkDllLoader,
  Chilkat.Http,
  Chilkat.Email,
  Chilkat.HttpResponse,
  Chilkat.JsonObject;

// ---------------------------------------------------------------------------

procedure RunDemo;
var
  success: Boolean;
  email: TEmail;
  json: TJsonObject;
  http: THttp;
  resp: THttpResponse;

begin
  success := False;

  //  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 := TEmail.Create;
  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 := TJsonObject.Create;
  json.UpdateString('email',email.GetMime());
  json.UpdateString('options','short');

  http := THttp.Create;
  resp := THttpResponse.Create;
  success := http.HttpJson('POST','https://spamcheck.postmarkapp.com/filter',json,'application/json',resp);
  if (success = False) then
    begin
      WriteLn(http.LastErrorText);
      Exit;
    end;

  WriteLn('response status code = ' + resp.StatusCode);
  WriteLn('response body: ');
  WriteLn(resp.BodyStr);


  email.Free;
  json.Free;
  http.Free;
  resp.Free;

end;

// ---------------------------------------------------------------------------

begin

  try
    RunDemo;
  except
    on E: Exception do
      WriteLn('Unhandled exception: ', E.ClassName, ': ', E.Message);
  end;

  WriteLn;
  {$IFDEF MSWINDOWS}
  WriteLn('Press Enter to exit...');
  ReadLn;
  {$ENDIF}
end.