Pascal (Lazarus/Delphi)

Send HTML Email with Image to iPhone

Demonstrates how to compose an HTML email with an embedded image that will display correctly on an iPhone. This example produces an email that looks like this on the iPhone:

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Pascal (Lazarus/Delphi)

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.MailMan,
  Chilkat.StringBuilder,
  Chilkat.Email;

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

procedure RunDemo;
var
  success: Boolean;
  mailman: TMailMan;
  email: TEmail;
  contentIdStarfish: string;
  sbHtml: TStringBuilder;
  numReplacements: Integer;

begin
  success := False;

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

  //  The mailman object is used for sending and receiving email.
  mailman := TMailMan.Create;

  //  Use your SMTP server hostname.  This example uses office365, but it could be any SMTP server..
  mailman.SmtpHost := 'outlook.office365.com';
  mailman.SmtpPort := 587;
  mailman.StartTLS := True;

  //  Set the SMTP login/password
  mailman.SmtpUsername := 'OFFICE365-SMTP-LOGIN';
  mailman.SmtpPassword := 'OFFICE365-SMTP-PASSWORD';

  //  Create a new email object
  email := TEmail.Create;
  email.Subject := 'Testing for Chilkat SMTP API...';
  email.Body := 'Testing for Chilkat SMTP API...';
  email.From := 'Chilkat Support <my-office365-user@mydomain.com>';
  email.AddTo('Chilkat Support','support@chilkatsoft.com');

  //  For whatever reason, the iPhone's email program requires
  //  images in HTML to be referenced by Content-ID.  Therefore,
  //  we must add the image like this:
  contentIdStarfish := email.AddRelatedFile('qa_data/jpg/starfish.jpg');
  if (email.LastMethodSuccess <> True) then
    begin
      WriteLn(email.LastErrorText);
      Exit;
    end;

  //  The src attribute for the image tag is set to the contentIdStarfish:
  sbHtml := TStringBuilder.Create;
  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.SetHtmlBody(sbHtml.GetAsString());

  success := mailman.SendEmail(email);
  if (success <> True) then
    begin
      WriteLn(mailman.LastErrorText);
    end
  else
    begin
      WriteLn('Mail Sent!');
    end;


  mailman.Free;
  email.Free;
  sbHtml.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.