Delphi DLL

Create Non-Multipart Email with XML Body that is an Attachment

See more SMTP Examples

Creates an email where the only body is a binary WAV file. The technique used in the example could be applied to other binary files, such as PDF, MS-WORD docs, Excel docs, etc. Delphi DLL

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

...

procedure TForm1.Button1Click(Sender: TObject);
var
success: Boolean;
xmlBody: PWideChar;
email: HCkEmail;
mailman: HCkMailMan;

begin
success := False;

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

// The goal of this example is to create an email that has this MIME format,
// where the body of the email is XML using base64 encoding, 
// and the Content-Type and Content-Disposition are set as indicated.

// Date: Wed, 23 Aug 2023 09:01:52 +0200 (CEST)
// From: joe@example1.com
// Subject: [v=EMCS.NL][a=NL****][k=****][s=0]
// To: mary@example2.com
// MIME-Version: 1.0
// Content-Type: application/octet-stream; charset=us-ascii; name=6bd8dfe259b3a42c90a28a82b5fc6e77.txt
// Content-Transfer-Encoding: Base64
// Content-Disposition: attachment; filename=6bd8dfe259b3a42c90a28a82b5fc6e77.txt
// Message-Id: <......>
// 
// <multi-line base64 encoded XML here>

success := True;

xmlBody := '<ie:IE801 xmlns:ie="urn:publicid:-:EC:DGTAXUD:EMCS:PHASE4:IE801:V3.01" xmlns:tms="urn:publicid:-:EC:DGTAXUD:EMCS:PHASE4:TMS:V3.01">....</ie:IE801>';

email := CkEmail_Create();

// Add subject, TO, FROM, etc.
CkEmail_putSubject(email,'[v=EMCS.NL][a=NL****][k=****][s=0]');
CkEmail_putFrom(email,'joe@example1.com');
success := CkEmail_AddTo(email,'Mary','mary@example2.com');

CkEmail_putBody(email,xmlBody);

CkEmail_AddHeaderField(email,'Content-Transfer-Encoding','Base64');
CkEmail_AddHeaderField(email,'Content-Type','application/octet-stream; charset=us-ascii; name=6bd8dfe259b3a42c90a28a82b5fc6e77.txt');
CkEmail_AddHeaderField(email,'Content-Disposition','attachment; filename=6bd8dfe259b3a42c90a28a82b5fc6e77.txt');

// Your email is ready to send
mailman := CkMailMan_Create();

CkMailMan_putSmtpHost(mailman,'smtp.my_mail_server.com');
CkMailMan_putSmtpUsername(mailman,'myUsername');
CkMailMan_putSmtpPassword(mailman,'myPassword');
CkMailMan_putSmtpPort(mailman,465);
CkMailMan_putSmtpSsl(mailman,True);
CkMailMan_putStartTLS(mailman,True);

success := CkMailMan_SendEmail(mailman,email);
if (success <> True) then
  begin
    Memo1.Lines.Add(CkMailMan__lastErrorText(mailman));
    Exit;
  end;
success := CkMailMan_CloseSmtpConnection(mailman);
if (success <> True) then
  begin
    Memo1.Lines.Add('Connection to SMTP server not closed cleanly.');
  end;

Memo1.Lines.Add('Mail Sent!');

CkEmail_Dispose(email);
CkMailMan_Dispose(mailman);

end;