Send Email with 8bit Content-Transfer-Encoding

Send an email using the "8bit" content-transfer-encoding.

Download Chilkat Email ActiveX for POP3 / SMTP

Download Chilkat IMAP ActiveX

uses
    Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
    Dialogs, StdCtrls,
    CHILKATMAILLib2_TLB,
    OleCtrls;

...

procedure TForm1.Button1Click(Sender: TObject);
var
mailman: TChilkatMailMan2;
success: Integer;
email: CHILKATMAILLib2_TLB.IChilkatEmail2;
mimeSource: String;

begin
//  The mailman object is used for sending and receiving email.
mailman := TChilkatMailMan2.Create(Self);

//  Any string argument automatically begins the 30-day trial.
success := mailman.UnlockComponent('30-day trial');
if (success <> 1) then
  begin
    ShowMessage('Component unlock failed');

  end;

//  Set the SMTP server.
mailman.SmtpHost := 'smtp.comcast.net';

//  Create a new email object
email := CoChilkatEmail2.Create();

email.Subject := 'This is a test';
//  The equals character is encoded as =3D in quoted-printable.
//  If the encoding is truly 8bit, we won't see it in the MIME source
//  of the email.  Instead, we'll see the equals character unmodified.
email.Body := 'This is a test ===';
email.From := 'Chilkat Support <support@chilkatsoft.com>';
email.AddTo('Chilkat Admin','admin@chilkatsoft.com');

//  Set our content-transfer-encoding to 8bit:
//  The AddHeaderField will replace the header field if it
//  already exists.
email.AddHeaderField('content-transfer-encoding','8bit');

//  That's it... send the email and the HTML and/or plain-text body
//  will not be encoded using quoted-printable or base64 -- it
//  will instead be sent unencoded as 8-bit characters.
success := mailman.SendEmail(email);
if (success <> 1) then
  begin
    ShowMessage(mailman.LastErrorText);
  end
else
  begin
    ShowMessage('Mail Sent!');
  end;

//  To see the exact MIME of the email sent, call
//  mailman.RenderToMime:

mimeSource := mailman.RenderToMime(email);
Memo1.Lines.Add('MIME source of email just sent');
Memo1.Lines.Add(mimeSource);

end;