#!/usr/bin/perl -w
use strict;
use Socket;
use Sys::Hostname;
use Mail::Sendmail;
my $from = "foo\@bar.com";
my $to = "bar\@foo.com";
my $subject = "Latest IP address";
my $host = hostname();
my $addr = inet_ntoa(scalar gethostbyname($host || 'localhost'));
my %mail = (To      => $to,
            From    => $from,
            Subject => $subject,
            Message => $addr
           );
sendmail(%mail) or die $Mail::Sendmail::error;
print "OK.\n", $Mail::Sendmail::log;