How can i send an extranal mail from R/3

Hai everybody,

I need to send an extranal e-mail from R/3, I have a alv list and need to send to my extranal mail address(yahoo).

SMTP configured in SCOT. and i tried to send mail from sapconnect but when i chek my inbox,not getting any mail

if anyone know the solution plz explain the steps.

Thanks in advance,

leoiz