Hola!
Tengo instalado NMS FormMail.pl en la carpeta cgi-bin(de servidor WINDOWS!) lo siguiente:
#!/usr/bin/perl -wT
#
# NMS FormMail Version 3.14c1
#
use strict;
use vars qw(
$DEBUGGING $emulate_matts_code $secure %more_config
$allow_empty_ref $max_recipients $mailprog @referers
@allow_mail_to @recipients %recipient_alias
@valid_ENV $date_fmt $style $send_confirmation_mail
$confirmation_text $locale $charset $no_content
$double_spacing $wrap_text $wrap_style $postmaster
$address_style
);
# PROGRAM INFORMATION
# -------------------
# FormMail.pl Version 3.14c1
#
# This program is licensed in the same way as Perl
# itself. You are free to choose between the GNU Public
# License <http://www.gnu.org/licenses/gpl.html> or
# the Artistic License
# <http://www.perl.com/pub/a/language/misc/Artistic.html>
#
# For help on configuration or installation see the
# README file or the POD documentation at the end of
# this file.
# USER CONFIGURATION SECTION
# --------------------------
# Modify these to your own settings. You might have to
# contact your system administrator if you do not run
# your own web server. If the purpose of these
# parameters seems unclear, please see the README file.
#
BEGIN
{
$DEBUGGING = 1;
$emulate_matts_code= 0;
$secure = 1;
$allow_empty_ref = 1;
$max_recipients = 1;
$mailprog = 'SMTP:midominio.com';
$postmaster = '
[email protected]';
@referers = qw(midominio.com localhost);
@allow_mail_to = qw(
[email protected]);
@recipients = ('midominio.com','
[email protected]');
%recipient_alias = ('
[email protected]');
@valid_ENV = qw(REMOTE_HOST REMOTE_ADDR REMOTE_USER HTTP_USER_AGENT);
$locale = 'ES';
$charset = 'iso-8859-1';
$date_fmt = '%A, %B %d, %Y at %H:%M:%S';
$style = '/css/nms.css';
$no_content = 0;
$double_spacing = 1;
$wrap_text = 0;
$wrap_style = 1;
$address_style = 0;
$send_confirmation_mail = 0;
$confirmation_text = <<'END_OF_CONFIRMATION';
From:
[email protected]
Subject: Formulario
Thank you for your form submission.
END_OF_CONFIRMATION
pero me sale otra vez el error:
CGI Error The specified CGI application misbehaved by not returning a complete set of HTTP headers...
que es lo que tengo mal configurado??
Error en FormMail!!Ayuda! 
