Need to install a good mail alert program for MS Outlook 2003

[sabret00the]

I was googling for a good mail alert software and found bettasoft mail alert. But though for posting this query before downloading it on my office system since I wasnt sure if it's a good software or a malware. I would appreciate if you guys and advice me on this regard since it's very irritating to keep outlook open everytime and sometimes I forget to check mail and this results in me not checking important mails in time. So if you guys are using any mail alert software kindly post the name of the same here so that I may download and start using it too.
Further I'am looking for a freeware as I wouldnt like to pay for something like this.

[sabret00the]

anyone...