smtp_helo_name ignored

[David Cottle]

I am running postfix on my mail server. The server uses a domain name  
in my local DNS that does not exist.

So to comply to RFC I used the smtp_helo_name = real.name.com
In my main.cf file.

But it does not work dnstools still reports that the helo is answering  
with the hostname, not my entry in main.cf so somthing is taking  
preference.

How do I fix this I simply want the helo to respond with what I  
specify and it will comply.

Thanks!

Sent from my iPhone