Q-Encoding

The Chilkat Email component automatically "Q" and "B" encodes header fields as necessary. However, the email object provides utility methods for encoding manually, if needed for some unforeseen reason.

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
email: CHILKATMAILLib2_TLB.IChilkatEmail2;
qEncoded: String;

begin
email := CoChilkatEmail2.Create();

qEncoded := email.QEncodeBytes('magnà el véder','iso-8859-1');
Memo1.Lines.Add(qEncoded);

qEncoded := email.QEncodeBytes('magnà el véder','utf-8');
Memo1.Lines.Add(qEncoded);

//  The output of this program is:
//  =?iso-8859-1?Q?magn=E0_el_v=E9der?=
//  =?utf-8?Q?magn=C3=A0_el_v=C3=A9der?=

end;