...

$Email = $in{'Email'};
$Message = $in{'Message'};

...

sub SendAutoReply {
open (MAIL,"|$MailProgram -t");
print MAIL "To: $Email\n";
print MAIL "From: $YourEmail\n";
print MAIL "Subject: $Subject\n";
print MAIL "$Header\n";
print MAIL "$Date\n\n";
print MAIL "$Subject\n\n";
print MAIL "You sent the following:\n\n";
print MAIL "==============================\n\n";
print MAIL "Name: $Name\n";
print MAIL "Email: $Email\n\n";
print MAIL "Message:\n\n";
print MAIL "$Message\n\n";
print MAIL "==============================\n\n";
print MAIL "$TailMessage\n\n";
print MAIL "Best regards,\n\n\n";
print MAIL "$Signature1\n";
print MAIL "$Signature2\n\n";
close (MAIL);
}