NOQUEUE RCPT from localhost

==== Required information ====
- iRedMail version: 0.8.4
- Store mail accounts in which backend (LDAP/MySQL/PGSQL): LDAP
- Linux/BSD distribution name and version: DEBIAN 6.0.7
- Related log if you're reporting an issue: /var/log/mail.log
====

Hi guys,

I am having a problem receiving mail from 127.0.0.1, all are being rejected.

May 16 11:38:07 mail postfix/smtpd[5509]: NOQUEUE: reject: RCPT from localhost[127.0.0.1]: 504 5.5.2 <nobody@localhost>: Sen                                                                                                                 der address rejected: need fully-qualified address; from=<nobody@localhost> to=<root@localhost> proto=ESMTP helo=<mail.****.***>

thanks