I send log your look.
tail -f /var/log/zimbra.log
Feb 19 14:39:54 www postfix/qmgr[5182]: 01E1136AA91: removed
Feb 19 14:39:54 www amavis[3127]: (03127-01) extra modules loaded: /opt/zimbra/zimbramon/lib/i386-linux-thread-multi/auto/Net/SSLeay/autosplit.ix, /opt/zimbra/zimbramon/lib/i386-linux-thread-multi/auto/Net/SSLeay/randomize.al, IO/Socket/SSL.pm, Net/LDAP/Extension.pm, Net/SSLeay.pm
Feb 19 14:39:54 www postfix/lmtp[14410]: 688F236AA98: to=, relay=none, delay=0.12, delays=0.01/0.02/0.1/0, dsn=4.4.3, status=deferred (Host or domain name not found. Name service error for name=http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com type=A: Host not found, try again)
Feb 19 14:39:54 www postfix/smtp[14409]: 688F236AA98: to=, relay=none, delay=0.13, delays=0.01/0.03/0.09/0, dsn=4.4.3, status=deferred (Host or domain name not found. Name service error for name=cssthai.com type=MX: Host not found, try again)
Feb 19 14:39:56 www postfix/smtpd[14401]: disconnect from 210-213-36-2.static.asianet.co.th[210.213.36.2]
Feb 19 14:40:01 www zimbramon[14443]: 14443:info: 2008-02-19 14:40:01, QUEUE: 1953 6
Feb 19 14:40:02 www zimbramon[14451]: 14451:info: 2008-02-19 14:40:01, DISK:
http://http://www.dindanthai.com">http: ... anthai.com:]Zimbra Collaboration Suite Log In dev: /dev/hda2, mp: /, tot: 29526, avail: 19900
Feb 19 14:40:02 www zimbramon[14451]: 14451:info: 2008-02-19 14:40:01, DISK:
http://http://www.dindanthai.com">http: ... anthai.com:]Zimbra Collaboration Suite Log In dev: /dev/hda1, mp: /boot, tot: 99, avail: 83
Feb 19 14:40:02 www zimbramon[14451]: 14451:info: 2008-02-19 14:40:01, DISK:
http://http://www.dindanthai.com">http: ... anthai.com:]Zimbra Collaboration Suite Log In dev: /dev/hda3, mp: /home, tot: 24607, avail: 23281
Feb 19 14:40:05 www zmmailboxdmgr[14738]: status requested
Feb 19 14:40:05 www zmmailboxdmgr[14738]: status OK
Feb 19 14:40:06 www zimbramon[14453]: 14453:info: 2008-02-19 14:40:02, STATUS:
http://http://www.dindanthai.com">http: ... anthai.com:]Zimbra Collaboration Suite Log In antispam: Running
Feb 19 14:40:06 www zimbramon[14453]: 14453:info: 2008-02-19 14:40:02, STATUS:
http://http://www.dindanthai.com">http: ... anthai.com:]Zimbra Collaboration Suite Log In antivirus: Running
Feb 19 14:40:06 www zimbramon[14453]: 14453:info: 2008-02-19 14:40:02, STATUS:
http://http://www.dindanthai.com">http: ... anthai.com:]Zimbra Collaboration Suite Log In ldap: Running
Feb 19 14:40:06 www zimbramon[14453]: 14453:info: 2008-02-19 14:40:02, STATUS:
http://http://www.dindanthai.com">http: ... anthai.com:]Zimbra Collaboration Suite Log In logger: Running
Feb 19 14:40:06 www zimbramon[14453]: 14453:info: 2008-02-19 14:40:02, STATUS:
http://http://www.dindanthai.com">http: ... anthai.com:]Zimbra Collaboration Suite Log In mailbox: Running
Feb 19 14:40:06 www zimbramon[14453]: 14453:info: 2008-02-19 14:40:02, STATUS:
http://http://www.dindanthai.com">http: ... anthai.com:]Zimbra Collaboration Suite Log In mta: Running
Feb 19 14:40:06 www zimbramon[14453]: 14453:info: 2008-02-19 14:40:02, STATUS:
http://http://www.dindanthai.com">http: ... anthai.com:]Zimbra Collaboration Suite Log In snmp: Running
Feb 19 14:40:06 www zimbramon[14453]: 14453:info: 2008-02-19 14:40:02, STATUS:
http://http://www.dindanthai.com">http: ... anthai.com:]Zimbra Collaboration Suite Log In spell: Running
Feb 19 14:40:06 www zimbramon[14453]: 14453:info: 2008-02-19 14:40:02, STATUS:
http://http://www.dindanthai.com">http: ... anthai.com:]Zimbra Collaboration Suite Log In stats: Running
Feb 19 14:40:16 www postfix/qmgr[5182]: 7DBCA36AA96: from=http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com>, size=1471, nrcpt=1 (queue active)
Feb 19 14:40:16 www postfix/qmgr[5182]: 4482E36AA95: from=http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com>, size=114482, nrcpt=1 (queue active)
Feb 19 14:40:16 www postfix/smtp[14409]: 7DBCA36AA96: to=http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com>, relay=none, delay=38154, delays=38154/0.02/0.07/0, dsn=4.4.3, status=deferred (Host or domain name not found. Name service error for name=http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com type=MX: Host not found, try again)
Feb 19 14:40:18 www postfix/smtp[15174]: 4482E36AA95: to=http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com>, relay=none, delay=38180, delays=38177/0.01/2.2/0, dsn=4.4.3, status=deferred (Host or domain name not found. Name service error for name=http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com">http://http://www.dindanthai.com type=A: Host not found, try again)
Feb 19 14:42:03 www zmmailboxdmgr[15817]: status requested
Feb 19 14:42:03 www zmmailboxdmgr[15817]: status OK