problem in receive

hello
mail service it's good just send but not receive
log mail said :
Nov 21 17:34:56 server postfix/smtpd[13183]: NOQUEUE: reject: RCPT from mail-pf0-f179.google.com[209.85.192.179]: 454 4.7.1 <info@xxxxxx.com>: Relay access denied; from=<xxxxxxx@gmail.com> to=<info@xxxxxx.com> proto=ESMTP helo=<mail-pf0-f179.google.com>
Nov 21 17:34:56 server postfix/smtpd[13183]: disconnect from mail-pf0-f179.google.com[209.85.192.179]

please help
thanks

same problem, can I find out how you solved it