Autoresponder being marked as spam

[Rob McDonald]

Hello all,

I currently have MailScanner setup to run with postfix. The autoreply script 
is writen in perl and here are the changes I have made to postfix:

1. autoreply unix  -       n       n       -       -       pipe
  flags=F user=vmail argv=/home/vmail/autoreply $sender $recipient

2. In Transport table:
autoreply.domain.tld autoreply

3. Then in my virtual table I forward to:
user at autoreply.domain.tld

The problem I am having is that it seems mailscanner marks these as spam. Is 
there any way I can avoid this? Thanks in advance.