i installed zimbra 8 free version, working fine sending mails to exchange 2003 server, but not receing mails, exchage receives that, you don't have permissions to send this recipeint. how could this happens, iptables off, disabled selinux,
DNS OK, on both server, MX records ok, TELNET ok, i think MX records have 10 from both servers , i also tried with 10 and 20 values still same error,
please help me.
thanks in advance.