POP Peeper 5.5.1 screenshot POP Peeper is an email notifier that runs in your Windows task bar and alerts you when you have new email on your POP3, IMAP (with IDLE support), HotmailMSNLiveMail, Yahoo, GMail, Mail.com, MyWay, Excite, iWon, Lycos.com, RediffMail, Juno and etc. Download POP Peeper 5.5.1