(Delphi ActiveX) Send HTML Email with Attachments

Demonstrates how to send an HTML email with file attachments.

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
mailman: TChilkatMailMan;
email: TChilkatEmail;
contentIdStarfish: WideString;
sbHtml: TChilkatStringBuilder;
numReplacements: Integer;
success: Integer;
content: WideString;

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

mailman := TChilkatMailMan.Create(Self);

mailman.SmtpHost := 'smtp.my-starttls-mail-server.com';

mailman.SmtpUsername := 'MY-SMTP-USERNAME';
mailman.SmtpPassword := 'MY-SMTP-PASSWORD';

mailman.StartTLS := 1;
mailman.SmtpPort := 587;

// Create a new email object
email := TChilkatEmail.Create(Self);
email.Subject := 'Test SMTP API to Send HTML Email with Attachments';
email.From := 'Joe Programmer <joe@my-starttls-mail-server.com>';
email.AddTo('Chilkat Support','support@chilkatsoft.com');

// Add a plain-text alternative body, which will likely never be seen.
// (It is shown if the receiving email client is incapable of displaying HTML email.)
email.AddPlainTextAlternativeBody('This is a plain-text alternative body...');

// Our HTML will include an image, so add the related image here.
contentIdStarfish := email.AddRelatedFile('qa_data/jpg/starfish.jpg');
if (email.LastMethodSuccess <> 1) then
  begin
    Memo1.Lines.Add(email.LastErrorText);
    Exit;
  end;

// The src attribute for the image tag is set to the contentIdStarfish:
sbHtml := TChilkatStringBuilder.Create(Self);
sbHtml.Append('<html><body><p>This is an HTML email with an embedded image.</p>');
sbHtml.Append('<p><img src="cid:CONTENT_ID_STARFISH" /></p></body></html>');
numReplacements := sbHtml.Replace('CONTENT_ID_STARFISH',contentIdStarfish);

email.AddHtmlAlternativeBody(sbHtml.GetAsString());

// Finally, add some attachments to the email.
// Add a file attachment.
success := email.AddFileAttachment2('qa_data/pdf/fishing.pdf','application/pdf');
if (success <> 1) then
  begin
    Memo1.Lines.Add(email.LastErrorText);
    Exit;
  end;

// Add an attachment where the content is contained in a string.
content := 'This is the content of the 2nd attached file.';
email.AddStringAttachment('someText.txt',content);

// Send the HTML email.
success := mailman.SendEmail(email.ControlInterface);
if (success <> 1) then
  begin
    Memo1.Lines.Add(mailman.LastErrorText);
    Exit;
  end;

success := mailman.CloseSmtpConnection();
if (success <> 1) then
  begin
    Memo1.Lines.Add('Connection to SMTP server not closed cleanly.');
  end;

Memo1.Lines.Add('HTML email with attachments sent!');
end;