sub sendmessage {
    my ($html,$text,$recipient,$reportdate) = @_;
    my $boundary = "====" . time() . "====";
    my %mail = (
             from => 'foo@bar.org',
             to => $recipient,
             subject => "A message from me",
             'content-type' => "multipart/alternative; boundary=\"$boundary\""
            );
    
    my $plain = encode_qp $text;
    $html = encode_entities($html);
    $boundary = '--'.$boundary;
    
    $mail{body} = <<END_OF_BODY;
$boundary
Content-Type: text/plain; charset="iso-8859-1"
Content-Transfer-Encoding: quoted-printable

$plain

$boundary
Content-Type: text/html; charset="iso-8859-1"
Content-Transfer-Encoding: quoted-printable

$html
$boundary--
END_OF_BODY
    
    sendmail(%mail) || die "Error: $Mail::Sendmail::error\n";
    return;
}