Check Mail - E-mail Notification is a highly flexible e-mail notification tool that can be used for any POP3 or IMAP4 e-mail enabled account. Just some of the options available include the ability to change the default and new e-mail icons, pop-up duration and e-mail alert sound. The office hours function lets you decide if you only want to be notified of new e-mails on work days during working hours, perfect for those people working from home.