undelivered mail return

[vs_isp]

Hi,
So, my problem is that when i use contact forms the mail server is sending the mail locally. This is something that i don't want because the mail is handled by google apps for the hosted domains in my vps. So what i really need is to make postfix send mails to the google apps acounts and not locally. Mail logs inform me that email is bouncing back and removed because there is no local mail account. Google apps accounts and virtual hosts are under the same domain. Contact forms work as expected when i use external mail(hotmail,gmail,yahoo) as the receiver(not under the same domain).