hi all,
i just finished install ZCS Open Source Edition 8 on ubuntu 12. i would like to setup multi domain.

but i have encounter 2 problem

1. second domain can't received mail. first domain is work fine
i find error on mail log

zimbra postfix/lmtp[28880]: C47DC821229: to=<xxxx@zzzz.com>, relay=bz-zimbra.xxx.com [192.168.1.10]:7025, delay=0.21, delays=0/0/0.01/0.2, dsn=5.0.0, status=bounced (host bz-zimbra.xxx.com[192.168.1.10] said: 554 5.0.0 Permanent message delivery failure (in reply to end of DATA command))

2. what's that means below log
Jun 21 10:58:57 zimbra postfix/anvil[28871]: statistics: max connection rate 1/60s for (smtp:58.xxx.xxx.79) at Jun 21 10:55:37
Jun 21 10:58:57 zimbra postfix/anvil[28871]: statistics: max connection count 1 for (smtp:58.xxx.xxx.79) at Jun 21 10:55:37
Jun 21 10:58:57 zimbra postfix/anvil[28871]: statistics: max cache size 1 at Jun 21 10:55:37
Jun 21 11:00:52 zimbra postfix/amavisd/smtpd[28879]: timeout after END-OF-MESSAGE from localhost[127.0.0.1]

thanks all