Delphi DLL

Example: Email.GetDsnInfo method

See more Email Object Examples

Demonstrates how to call the GetDsnInfo method. Delphi DLL

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

...

procedure TForm1.Button1Click(Sender: TObject);
var
success: Boolean;
email: HCkEmail;
json: HCkJsonObject;
strVal: PWideChar;
reporting_mta: PWideChar;
action: PWideChar;
status: PWideChar;
remote_mta: PWideChar;
x_supplementary_info: PWideChar;
x_display_name: PWideChar;
i: Integer;
count: Integer;

begin
success := False;

email := CkEmail_Create();

success := CkEmail_LoadEml(email,'qa_data/eml/sample_multipart_report.eml');
if (success = False) then
  begin
    Memo1.Lines.Add(CkEmail__lastErrorText(email));
    Exit;
  end;

json := CkJsonObject_Create();
success := CkEmail_GetDsnInfo(email,json);
if (success = False) then
  begin
    Memo1.Lines.Add(CkEmail__lastErrorText(email));
    Exit;
  end;

CkJsonObject_putEmitCompact(json,False);
Memo1.Lines.Add(CkJsonObject__emit(json));

// Sample output:

// {
//   "reporting-mta": "dns; Exchange2016.example.com",
//   "final-recipient": [
//     "herb.butterworth1247692846@gmail.com"
//   ],
//   "action": "failed",
//   "status": "5.1.1",
//   "remote-mta": "dns; mx.google.com",
//   "x-supplementary-info": "<mx.google.com #5.1.1 smtp;550-5.1.1 The email account that you tried to reach does not exist. Please try 550-5.1.1 double-checking the recipient's email address for typos or 550-5.1.1 unnecessary spaces. Learn more at 550 5.1.1  https://support.google.com/mail/?p=NoSuchUser o8-20020a056870968800b001b55816bea9si2188132oaq.70 - gsmtp>",
//   "x-display-name": "herb.butterworth1247692846@gmail.com"
// }

// Code for parsing the JSON:

reporting_mta := CkJsonObject__stringOf(json,'reporting-mta');
action := CkJsonObject__stringOf(json,'action');
status := CkJsonObject__stringOf(json,'status');
remote_mta := CkJsonObject__stringOf(json,'remote-mta');
x_supplementary_info := CkJsonObject__stringOf(json,'x-supplementary-info');
x_display_name := CkJsonObject__stringOf(json,'x-display-name');
i := 0;
count := CkJsonObject_SizeOfArray(json,'final-recipient');
while i < count do
  begin
    CkJsonObject_putI(json,i);
    strVal := CkJsonObject__stringOf(json,'final-recipient[i]');
    i := i + 1;
  end;

CkEmail_Dispose(email);
CkJsonObject_Dispose(json);

end;