Number of Messages in a POP3 Mailbox

Get the number of messages in a POP3 mailbox.

Download Chilkat Email ActiveX for POP3 / SMTP

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

...

procedure TForm1.Button1Click(Sender: TObject);
var
mailman: TChilkatMailMan2;
success: Integer;
numMessages: Integer;

begin
//  The mailman object is used for receiving (POP3)
//  and sending (SMTP) 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 POP3 server's hostname
mailman.MailHost := 'mail.chilkatsoft.com';

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

//  Get the number of messages in the mailbox.

numMessages := mailman.GetMailboxCount();
Memo1.Lines.Add(IntToStr(numMessages));


end;