(Delphi DLL) Delete All Email in a POP3 Mailbox

Delete all email in a POP3 mailbox.

Chilkat for Delphi Downloads Chilkat non-ActiveX DLL for Delphi Chilkat ActiveX DLL for Delphi * The examples here use the non-ActiveX DLL.

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

...

procedure TForm1.Button1Click(Sender: TObject);
var
mailman: HCkMailMan;
success: Boolean;
sa: HCkStringArray;

begin
//  The mailman object is used for receiving (POP3)
//  and sending (SMTP) email.
mailman := CkMailMan_Create();

//  Any string argument automatically begins the 30-day trial.
success := CkMailMan_UnlockComponent(mailman,'30-day trial');
if (success <> True) then
  begin
    Memo1.Lines.Add('Component unlock failed');
    Exit;
  end;

//  Set the POP3 server's hostname
CkMailMan_putMailHost(mailman,'pop.someMailServer.com');

//  Set the POP3 login/password.
CkMailMan_putPopUsername(mailman,'myLogin');
CkMailMan_putPopPassword(mailman,'****');

//  Make sure the ImmediateDelete property is set (this is the default)
//  If ImmediateDelete is not set, messages marked for deletion
//  by the Delete* methods will not be deleted until the POP3
//  connection is closed by calling Pop3EndSession.
CkMailMan_putImmediateDelete(mailman,True);

//  First, get all the UIDLs.
sa := CkMailMan_GetUidls(mailman);

//  Next, delete them all.
success := CkMailMan_DeleteMultiple(mailman,sa);
if (success <> True) then
  begin
    Memo1.Lines.Add(CkMailMan__lastErrorText(mailman));
  end;

CkStringArray_Dispose(sa);

//  We're done with the POP3 session, so it doesn't hurt to call this...
success := CkMailMan_Pop3EndSession(mailman);

CkMailMan_Dispose(mailman);

end;