Pascal (Lazarus/Delphi)

Delete All Email in a POP3 Mailbox

Delete all email in a POP3 mailbox. 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.StringTable;

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

procedure RunDemo;
var
  success: Boolean;
  mailman: TMailMan;
  stUidls: TStringTable;

begin
  success := False;

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

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

  //  Set the POP3 server's hostname
  mailman.MailHost := 'pop.example.com';

  //  Set the POP3 login/password.
  mailman.PopUsername := 'bob@example.com';
  mailman.PopPassword := '****';

  //  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.
  mailman.ImmediateDelete := True;

  //  First, get all the UIDLs.
  stUidls := TStringTable.Create;
  success := mailman.FetchUidls(stUidls);
  if (success = False) then
    begin
      WriteLn(mailman.LastErrorText);
      Exit;
    end;

  //  Next, delete them all.
  success := mailman.DeleteUidlSet(stUidls);
  if (success = False) then
    begin
      WriteLn(mailman.LastErrorText);
      Exit;
    end;

  //  We're done with the POP3 session, so it doesn't hurt to call this...
  success := mailman.Pop3EndSession();
  if (success = False) then
    begin
      WriteLn(mailman.LastErrorText);
      Exit;
    end;

  WriteLn('Success.');


  mailman.Free;
  stUidls.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.