Problem with e-mail

i have an asterisk box 1.2.19 and i m trying to send voicemail as e-mail. but linux server is not sending it. i have also install esmtp-0.5 and libsmtp too. but i m confused how to configure and host

i have to send my mails on my e-mail address.
is anybody here to guide me how to do this?

[b]Jehanzaib Younis

+92.111.874.874 Ext: 2558