$mailprog = '/usr/sbin/sendmail';
$to = "you@yourdomain.com";
$from="me@mydomain.com"
$subject = "something";
$content = "bla bla bla";
open(MAIL,"|$mailprog -t");  
print MAIL "MIME-Version: 1.0\n";
print MAIL "Content-Type: text/html; charset=us-ascii\n";
print MAIL "To: $to\n";
print MAIL "From: $from\n";
print MAIL "Subject: $subject\n";
print MAIL "$content\n";
close (MAIL);