A verrrryy cooolldd gggoooodd mmooorrrnninggg ttooo alllll!!!

I need to put code in my application to send an e-mail to the managers of the users to inform them of certain transactions? I'm like... duh? I have no idea how this can be achieved. Although I know that it can... I just don't know how? Any guidance will be highly appreciated!!!

Thanx! in advance 8 )

Martin