Hi all,
I have this problem from last week, when I tried to make "Zimbra - samba PDC"

Code:
Aug  6 12:18:10 zimbra zmmailboxdmgr[21510]: status requested
Aug  6 12:18:10 zimbra zmmailboxdmgr[21510]: status OK
Aug  6 12:18:10 zimbra postfix/smtpd[21516]: connect from zimbra.damaini.de[10.101.101.11]
Aug  6 12:18:10 zimbra postfix/smtpd[21516]: 3FE083A9D9: client=zimbra.damaini.de[10.101.101.11]
Aug  6 12:18:10 zimbra postfix/cleanup[21528]: 3FE083A9D9: message-id=<167179228.01249553889102.JavaMail.root@zimbra>
Aug  6 12:18:10 zimbra postfix/qmgr[20307]: 3FE083A9D9: from=<vdd@damain.com>, size=646, nrcpt=1 (queue active)
Aug  6 12:18:10 zimbra postfix/smtpd[21516]: disconnect from zimbra.damaini.de[10.101.101.11]
Aug  6 12:18:10 zimbra amavis[19517]: (19517-01) ESMTP::10024 /opt/zimbra/data/amavisd/tmp/amavis-20090806T121810-19517: <vdd@damain.com> -> <admin@damain.com> SIZE=646 Received: from zimbra.damaini.de ([127.0.0.1]) by localhost (zimbra.damaini.de [127.0.0.1]) (amavisd-new, port 10024) with ESMTP for <admin@damain.com>; Thu,  6 Aug 2009 12:18:10 +0200 (CEST)
Aug  6 12:18:10 zimbra amavis[19517]: (19517-01) Checking: 0jrDlf-Ys4Nt [10.101.101.11] <vdd@damain.com> -> <admin@damain.com>
Aug  6 12:18:13 zimbra zimbramon[21269]: 21269:info: 2009-08-06 12:18:01, STATUS: zimbra.damaini.de: antispam: Running
Aug  6 12:18:13 zimbra zimbramon[21269]: 21269:info: 2009-08-06 12:18:01, STATUS: zimbra.damaini.de: antivirus: Running
Aug  6 12:18:13 zimbra zimbramon[21269]: 21269:info: 2009-08-06 12:18:01, STATUS: zimbra.damaini.de: imapproxy: Running
Aug  6 12:18:13 zimbra zimbramon[21269]: 21269:info: 2009-08-06 12:18:01, STATUS: zimbra.damaini.de: ldap: Running
Aug  6 12:18:13 zimbra zimbramon[21269]: 21269:info: 2009-08-06 12:18:01, STATUS: zimbra.damaini.de: logger: Running
Aug  6 12:18:13 zimbra zimbramon[21269]: 21269:info: 2009-08-06 12:18:01, STATUS: zimbra.damaini.de: mailbox: Running
Aug  6 12:18:13 zimbra zimbramon[21269]: 21269:info: 2009-08-06 12:18:01, STATUS: zimbra.damaini.de: mta: Running
Aug  6 12:18:13 zimbra zimbramon[21269]: 21269:info: 2009-08-06 12:18:01, STATUS: zimbra.damaini.de: snmp: Running
Aug  6 12:18:13 zimbra zimbramon[21269]: 21269:info: 2009-08-06 12:18:01, STATUS: zimbra.damaini.de: spell: Running
Aug  6 12:18:13 zimbra zimbramon[21269]: 21269:info: 2009-08-06 12:18:01, STATUS: zimbra.damaini.de: stats: Running
Aug  6 12:18:13 zimbra zimbramon[17632]: 17632:err: Service status change: zimbra.damaini.de sasl changed from stopped to running
Aug  6 12:18:14 zimbra postfix/pickup[20305]: 2A7463A9D2: uid=1001 from=<zimbra>
Aug  6 12:18:14 zimbra postfix/cleanup[21528]: 2A7463A9D2: message-id=<20090806101814.2A7463A9D2@zimbra.damaini.de>
Aug  6 12:18:14 zimbra zimbramon[17632]: 17632:err: Service status change: zimbra.damaini.de stats changed from stopped to running
Aug  6 12:18:14 zimbra postfix/qmgr[20307]: 2A7463A9D2: from=<zimbra@zimbra.damaini.de>, size=462, nrcpt=1 (queue active)
Aug  6 12:18:14 zimbra amavis[19518]: (19518-01) ESMTP::10024 /opt/zimbra/data/amavisd/tmp/amavis-20090806T121814-19518: <zimbra@zimbra.damaini.de> -> <admin@damain.com> SIZE=462 Received: from zimbra.damaini.de ([127.0.0.1]) by localhost (zimbra.damaini.de [127.0.0.1]) (amavisd-new, port 10024) with ESMTP for <admin@damain.com>; Thu,  6 Aug 2009 12:18:14 +0200 (CEST)
Aug  6 12:18:14 zimbra amavis[19518]: (19518-01) Checking: hLJHa+F+atAK <zimbra@zimbra.damaini.de> -> <admin@damain.com>
Aug  6 12:18:14 zimbra zmmailboxdmgr[21712]: status requested
Aug  6 12:18:14 zimbra zmmailboxdmgr[21712]: status OK
Aug  6 12:18:14 zimbra postfix/pickup[20305]: 8CEB53A9F6: uid=1001 from=<zimbra>
Aug  6 12:18:14 zimbra postfix/cleanup[21528]: 8CEB53A9F6: message-id=<20090806101814.8CEB53A9F6@zimbra.damaini.de>
Aug  6 12:18:14 zimbra postfix/qmgr[20307]: 8CEB53A9F6: from=<zimbra@zimbra.damaini.de>, size=464, nrcpt=1 (queue active)
Aug  6 12:18:14 zimbra amavis[19519]: (19519-01) ESMTP::10024 /opt/zimbra/data/amavisd/tmp/amavis-20090806T121814-19519: <zimbra@zimbra.damaini.de> -> <admin@damain.com> SIZE=464 Received: from zimbra.damaini.de ([127.0.0.1]) by localhost (zimbra.damaini.de [127.0.0.1]) (amavisd-new, port 10024) with ESMTP for <admin@damain.com>; Thu,  6 Aug 2009 12:18:14 +0200 (CEST)
Aug  6 12:18:14 zimbra amavis[19519]: (19519-01) Checking: vhfJqLuqYfXu <zimbra@zimbra.damaini.de> -> <admin@damain.com>
Aug  6 12:18:15 zimbra zimbramon[17632]: 17632:err: Service status change: zimbra.damaini.de mta changed from stopped to running
Aug  6 12:18:15 zimbra zmmailboxdmgr[21779]: status requested
Aug  6 12:18:15 zimbra zmmailboxdmgr[21779]: status OK
Aug  6 12:18:15 zimbra postfix/pickup[20305]: D0B203AA2F: uid=1001 from=<zimbra>
Aug  6 12:18:15 zimbra postfix/cleanup[21528]: D0B203AA2F: message-id=<20090806101815.D0B203AA2F@zimbra.damaini.de>
Aug  6 12:18:15 zimbra postfix/qmgr[20307]: D0B203AA2F: from=<zimbra@zimbra.damaini.de>, size=460, nrcpt=1 (queue active)
Aug  6 12:18:15 zimbra amavis[19520]: (19520-01) ESMTP::10024 /opt/zimbra/data/amavisd/tmp/amavis-20090806T121815-19520: <zimbra@zimbra.damaini.de> -> <admin@damain.com> SIZE=460 Received: from zimbra.damaini.de ([127.0.0.1]) by localhost (zimbra.damaini.de [127.0.0.1]) (amavisd-new, port 10024) with ESMTP for <admin@damain.com>; Thu,  6 Aug 2009 12:18:15 +0200 (CEST)
Aug  6 12:18:16 zimbra amavis[19520]: (19520-01) Checking: PyK94t4XOLLh <zimbra@zimbra.damaini.de> -> <admin@damain.com>
Aug  6 12:18:17 zimbra postfix/smtpd[21816]: connect from localhost[127.0.0.1]
Aug  6 12:18:17 zimbra postfix/smtpd[21816]: DEB6F3AA3A: client=localhost[127.0.0.1]
Aug  6 12:18:17 zimbra postfix/cleanup[21528]: DEB6F3AA3A: message-id=<167179228.01249553889102.JavaMail.root@zimbra>
Aug  6 12:18:17 zimbra postfix/smtpd[21816]: disconnect from localhost[127.0.0.1]
Aug  6 12:18:17 zimbra postfix/qmgr[20307]: DEB6F3AA3A: from=<vdd@damain.com>, size=1271, nrcpt=1 (queue active)
Aug  6 12:18:17 zimbra amavis[19517]: (19517-01) FWD via SMTP: <vdd@damain.com> -> <admin@damain.com>,BODY=7BIT 250 2.6.0 Ok, id=19517-01, from MTA([127.0.0.1]:10025): 250 2.0.0 Ok: queued as DEB6F3AA3A
Aug  6 12:18:17 zimbra amavis[19517]: (19517-01) Passed CLEAN, LOCAL [10.101.101.11] [10.101.101.11] <vdd@damain.com> -> <admin@damain.com>, Message-ID: <167179228.01249553889102.JavaMail.root@zimbra>, mail_id: 0jrDlf-Ys4Nt, Hits: -3.179, size: 646, queued_as: DEB6F3AA3A, 7633 ms
Aug  6 12:18:17 zimbra postfix/smtp[21539]: 3FE083A9D9: to=<admin@damain.com>, relay=127.0.0.1[127.0.0.1]:10024, delay=7.7, delays=0.08/0.03/0.01/7.6, dsn=2.0.0, status=sent (250 2.0.0 Ok: queued as DEB6F3AA3A)
Aug  6 12:18:17 zimbra postfix/qmgr[20307]: 3FE083A9D9: removed
Aug  6 12:18:17 zimbra amavis[19517]: (19517-01) extra modules loaded: /opt/zimbra/zimbramon/lib/x86_64-linux-gnu-thread-multi/auto/Net/SSLeay/autosplit.ix, /opt/zimbra/zimbramon/lib/x86_64-linux-gnu-thread-multi/auto/Net/SSLeay/randomize.al, IO/Socket/SSL.pm, Net/LDAP/Extension.pm, Net/SSLeay.pm
Aug  6 12:18:18 zimbra postfix/error[21817]: DEB6F3AA3A: to=<admin@damain.com>, relay=none, delay=0.15, delays=0.06/0.01/0/0.08, dsn=5.0.0, status=bounced (damain.com)
Aug  6 12:18:18 zimbra postfix/cleanup[21528]: 0FD4A3A9EC: message-id=<20090806101818.0FD4A3A9EC@zimbra.damaini.de>
Aug  6 12:18:18 zimbra postfix/bounce[21818]: DEB6F3AA3A: sender non-delivery notification: 0FD4A3A9EC
Aug  6 12:18:18 zimbra postfix/qmgr[20307]: 0FD4A3A9EC: from=<>, size=3026, nrcpt=1 (queue active)
Aug  6 12:18:18 zimbra postfix/qmgr[20307]: DEB6F3AA3A: removed
Aug  6 12:18:18 zimbra postfix/error[21817]: 0FD4A3A9EC: to=<vdd@damain.com>, relay=none, delay=0.12, delays=0.05/0/0/0.06, dsn=5.0.0, status=bounced (damain.com)
Aug  6 12:18:18 zimbra postfix/qmgr[20307]: 0FD4A3A9EC: removed
Aug  6 12:18:22 zimbra postfix/smtpd[21816]: connect from localhost[127.0.0.1]
Aug  6 12:18:22 zimbra postfix/smtpd[21816]: 1962E3A9D9: client=localhost[127.0.0.1]
Aug  6 12:18:22 zimbra postfix/cleanup[21528]: 1962E3A9D9: message-id=<20090806101814.2A7463A9D2@zimbra.damaini.de>
Aug  6 12:18:22 zimbra postfix/smtpd[21816]: disconnect from localhost[127.0.0.1]
Aug  6 12:18:22 zimbra postfix/qmgr[20307]: 1962E3A9D9: from=<zimbra@zimbra.damaini.de>, size=1062, nrcpt=1 (queue active)
Aug  6 12:18:22 zimbra amavis[19518]: (19518-01) FWD via SMTP: <zimbra@zimbra.damaini.de> -> <admin@damain.com>,BODY=7BIT 250 2.6.0 Ok, id=19518-01, from MTA([127.0.0.1]:10025): 250 2.0.0 Ok: queued as 1962E3A9D9
Aug  6 12:18:22 zimbra amavis[19518]: (19518-01) Passed CLEAN, <zimbra@zimbra.damaini.de> -> <admin@damain.com>, Message-ID: <20090806101814.2A7463A9D2@zimbra.damaini.de>, mail_id: hLJHa+F+atAK, Hits: -2.615, size: 461, queued_as: 1962E3A9D9, 7883 ms
Aug  6 12:18:22 zimbra postfix/smtp[21673]: 2A7463A9D2: to=<admin@damain.com>, orig_to=<admin@zimbra.damaini.de>, relay=127.0.0.1[127.0.0.1]:10024, delay=8.1, delays=0.14/0.03/0.01/7.9, dsn=2.0.0, status=sent (250 2.0.0 Ok: queued as 1962E3A9D9)
Aug  6 12:18:22 zimbra postfix/qmgr[20307]: 2A7463A9D2: removed
Aug  6 12:18:22 zimbra amavis[19518]: (19518-01) extra modules loaded: /opt/zimbra/zimbramon/lib/x86_64-linux-gnu-thread-multi/auto/Net/SSLeay/autosplit.ix, /opt/zimbra/zimbramon/lib/x86_64-linux-gnu-thread-multi/auto/Net/SSLeay/randomize.al, IO/Socket/SSL.pm, Net/LDAP/Extension.pm, Net/SSLeay.pm
Aug  6 12:18:22 zimbra postfix/error[21817]: 1962E3A9D9: to=<admin@damain.com>, relay=none, delay=0.11, delays=0.04/0/0/0.06, dsn=5.0.0, status=bounced (damain.com)
Aug  6 12:18:22 zimbra postfix/cleanup[21528]: 346343A9D2: message-id=<20090806101822.346343A9D2@zimbra.damaini.de>
Aug  6 12:18:22 zimbra postfix/bounce[21818]: 1962E3A9D9: sender non-delivery notification: 346343A9D2
Aug  6 12:18:22 zimbra postfix/qmgr[20307]: 346343A9D2: from=<>, size=2844, nrcpt=1 (queue active)
Aug  6 12:18:22 zimbra postfix/qmgr[20307]: 1962E3A9D9: removed
Aug  6 12:18:22 zimbra postfix/error[21817]: 346343A9D2: to=<zimbra@damain.com>, orig_to=<zimbra@zimbra.damaini.de>, relay=none, delay=0.1, delays=0.05/0/0/0.05, dsn=5.0.0, status=bounced (damain.com)
Aug  6 12:18:22 zimbra postfix/qmgr[20307]: 346343A9D2: removed
Aug  6 12:18:22 zimbra postfix/smtpd[21816]: connect from localhost[127.0.0.1]
Aug  6 12:18:22 zimbra postfix/smtpd[21816]: 86D493A9D2: client=localhost[127.0.0.1]
Aug  6 12:18:22 zimbra postfix/cleanup[21528]: 86D493A9D2: message-id=<20090806101814.8CEB53A9F6@zimbra.damaini.de>
Aug  6 12:18:22 zimbra postfix/smtpd[21816]: disconnect from localhost[127.0.0.1]
Aug  6 12:18:22 zimbra postfix/qmgr[20307]: 86D493A9D2: from=<zimbra@zimbra.damaini.de>, size=1064, nrcpt=1 (queue active)
Aug  6 12:18:22 zimbra amavis[19519]: (19519-01) FWD via SMTP: <zimbra@zimbra.damaini.de> -> <admin@damain.com>,BODY=7BIT 250 2.6.0 Ok, id=19519-01, from MTA([127.0.0.1]:10025): 250 2.0.0 Ok: queued as 86D493A9D2
Aug  6 12:18:22 zimbra amavis[19519]: (19519-01) Passed CLEAN, <zimbra@zimbra.damaini.de> -> <admin@damain.com>, Message-ID: <20090806101814.8CEB53A9F6@zimbra.damaini.de>, mail_id: vhfJqLuqYfXu, Hits: -2.614, size: 463, queued_as: 86D493A9D2, 7925 ms
Aug  6 12:18:22 zimbra postfix/smtp[21747]: 8CEB53A9F6: to=<admin@damain.com>, orig_to=<admin@zimbra.damaini.de>, relay=127.0.0.1[127.0.0.1]:10024, delay=8.2, delays=0.23/0.02/0.01/7.9, dsn=2.0.0, status=sent (250 2.0.0 Ok: queued as 86D493A9D2)
Aug  6 12:18:22 zimbra postfix/qmgr[20307]: 8CEB53A9F6: removed
Aug  6 12:18:22 zimbra amavis[19519]: (19519-01) extra modules loaded: /opt/zimbra/zimbramon/lib/x86_64-linux-gnu-thread-multi/auto/Net/SSLeay/autosplit.ix, /opt/zimbra/zimbramon/lib/x86_64-linux-gnu-thread-multi/auto/Net/SSLeay/randomize.al, IO/Socket/SSL.pm, Net/LDAP/Extension.pm, Net/SSLeay.pm
Aug  6 12:18:22 zimbra postfix/error[21817]: 86D493A9D2: to=<admin@damain.com>, relay=none, delay=0.13, delays=0.07/0/0/0.05, dsn=5.0.0, status=bounced (damain.com)
Aug  6 12:18:22 zimbra postfix/cleanup[21528]: A5AB53A9EB: message-id=<20090806101822.A5AB53A9EB@zimbra.damaini.de>
Aug  6 12:18:22 zimbra postfix/bounce[21818]: 86D493A9D2: sender non-delivery notification: A5AB53A9EB
Aug  6 12:18:22 zimbra postfix/qmgr[20307]: A5AB53A9EB: from=<>, size=2846, nrcpt=1 (queue active)
Aug  6 12:18:22 zimbra postfix/qmgr[20307]: 86D493A9D2: removed
Aug  6 12:18:22 zimbra postfix/error[21817]: A5AB53A9EB: to=<zimbra@damain.com>, orig_to=<zimbra@zimbra.damaini.de>, relay=none, delay=0.13, delays=0.07/0/0/0.05, dsn=5.0.0, status=bounced (damain.com)
Aug  6 12:18:22 zimbra postfix/qmgr[20307]: A5AB53A9EB: removed
Aug  6 12:18:23 zimbra postfix/smtpd[21816]: connect from localhost[127.0.0.1]
Aug  6 12:18:23 zimbra postfix/smtpd[21816]: B40853A9D2: client=localhost[127.0.0.1]
Aug  6 12:18:23 zimbra postfix/cleanup[21528]: B40853A9D2: message-id=<20090806101815.D0B203AA2F@zimbra.damaini.de>
Aug  6 12:18:23 zimbra postfix/smtpd[21816]: disconnect from localhost[127.0.0.1]
Aug  6 12:18:23 zimbra postfix/qmgr[20307]: B40853A9D2: from=<zimbra@zimbra.damaini.de>, size=1060, nrcpt=1 (queue active)
Aug  6 12:18:23 zimbra amavis[19520]: (19520-01) FWD via SMTP: <zimbra@zimbra.damaini.de> -> <admin@damain.com>,BODY=7BIT 250 2.6.0 Ok, id=19520-01, from MTA([127.0.0.1]:10025): 250 2.0.0 Ok: queued as B40853A9D2
Aug  6 12:18:23 zimbra amavis[19520]: (19520-01) Passed CLEAN, <zimbra@zimbra.damaini.de> -> <admin@damain.com>, Message-ID: <20090806101815.D0B203AA2F@zimbra.damaini.de>, mail_id: PyK94t4XOLLh, Hits: -2.614, size: 459, queued_as: B40853A9D2, 7844 ms
Aug  6 12:18:23 zimbra postfix/smtp[21814]: D0B203AA2F: to=<admin@damain.com>, orig_to=<admin@zimbra.damaini.de>, relay=127.0.0.1[127.0.0.1]:10024, delay=8, delays=0.14/0.02/0.01/7.8, dsn=2.0.0, status=sent (250 2.0.0 Ok: queued as B40853A9D2)
Aug  6 12:18:23 zimbra postfix/qmgr[20307]: D0B203AA2F: removed
Aug  6 12:18:23 zimbra amavis[19520]: (19520-01) extra modules loaded: /opt/zimbra/zimbramon/lib/x86_64-linux-gnu-thread-multi/auto/Net/SSLeay/autosplit.ix, /opt/zimbra/zimbramon/lib/x86_64-linux-gnu-thread-multi/auto/Net/SSLeay/randomize.al, IO/Socket/SSL.pm, Net/LDAP/Extension.pm, Net/SSLeay.pm
Aug  6 12:18:23 zimbra postfix/error[21817]: B40853A9D2: to=<admin@damain.com>, relay=none, delay=0.09, delays=0.04/0/0/0.05, dsn=5.0.0, status=bounced (damain.com)
Aug  6 12:18:23 zimbra postfix/cleanup[21528]: CA2123A9EB: message-id=<20090806101823.CA2123A9EB@zimbra.damaini.de>
Aug  6 12:18:23 zimbra postfix/bounce[21818]: B40853A9D2: sender non-delivery notification: CA2123A9EB
Aug  6 12:18:23 zimbra postfix/qmgr[20307]: CA2123A9EB: from=<>, size=2842, nrcpt=1 (queue active)
Aug  6 12:18:23 zimbra postfix/qmgr[20307]: B40853A9D2: removed
Aug  6 12:18:23 zimbra postfix/error[21817]: CA2123A9EB: to=<zimbra@damain.com>, orig_to=<zimbra@zimbra.damaini.de>, relay=none, delay=0.11, delays=0.07/0/0/0.05, dsn=5.0.0, status=bounced (damain.com)
Aug  6 12:18:23 zimbra postfix/qmgr[20307]: CA2123A9EB: removed
Before I receive mails normally like this:
Code:
Jul 30 09:11:20 zimbra postfix/smtpd[32162]: connect from localhost[127.0.0.1]
Jul 30 09:11:20 zimbra postfix/smtpd[32162]: 5521B3A771: client=localhost[127.0.0.1]
Jul 30 09:11:20 zimbra postfix/cleanup[32165]: 5521B3A771: message-id=<20900b900cc4efc725a90bba457e7540@www.some_domain.com>
Jul 30 09:11:20 zimbra postfix/qmgr[5921]: 5521B3A771: from=<sentto-12535966-969-1248937670-user=mydomain.com@returns.groups.yahoo.com>, size=19219, nrcpt=1 (queue active)
Jul 30 09:11:20 zimbra postfix/smtpd[32162]: disconnect from localhost[127.0.0.1]
Jul 30 09:11:20 zimbra amavis[9467]: (09467-01) ESMTP::10024 /opt/zimbra/data/amavisd/tmp/amavis-20090730T091120-09467: <sentto-12535966-969-1248937670-user=mydomain.com@returns.groups.yahoo.com> -> <user@mydomain.com> SIZE=19219 BODY=8BITMIME Received: from zimbra.mydomaini.de ([127.0.0.1]) by localhost (zimbra.mydomaini.de [127.0.0.1]) (amavisd-new, port 10024) with ESMTP for <user@mydomain.com>; Thu, 30 Jul 2009 09:11:20 +0200 (CEST)
Jul 30 09:11:20 zimbra amavis[9467]: (09467-01) Checking: JjB83O-BNTCh [127.0.0.1] <sentto-12535966-969-1248937670-user=mydomain.com@returns.groups.yahoo.com> -> <user@mydomain.com>
Jul 30 09:11:20 zimbra clamd[8699]: SelfCheck: Database status OK.
Jul 30 09:11:25 zimbra postfix/smtpd[32169]: connect from localhost[127.0.0.1]
Jul 30 09:11:25 zimbra postfix/smtpd[32169]: C82393A800: client=localhost[127.0.0.1]
Jul 30 09:11:25 zimbra postfix/cleanup[32165]: C82393A800: message-id=<20900b900cc4efc725a90bba457e7540@www.some_domain.com>
Jul 30 09:11:25 zimbra postfix/smtpd[32169]: disconnect from localhost[127.0.0.1]
Jul 30 09:11:25 zimbra postfix/qmgr[5921]: C82393A800: from=<sentto-12535966-969-1248937670-user=mydomain.com@returns.groups.yahoo.com>, size=19812, nrcpt=1 (queue active)
Jul 30 09:11:25 zimbra amavis[9467]: (09467-01) FWD via SMTP: <sentto-12535966-969-1248937670-user=mydomain.com@returns.groups.yahoo.com> -> <user@mydomain.com>,BODY=8BITMIME 250 2.6.0 Ok, id=09467-01, from MTA([127.0.0.1]:10025): 250 2.0.0 Ok: queued as C82393A800
Jul 30 09:11:25 zimbra amavis[9467]: (09467-01) Passed CLEAN, LOCAL [127.0.0.1] [69.147.108.197] <sentto-12535966-969-1248937670-user=mydomain.com@returns.groups.yahoo.com> -> <user@mydomain.com>, Message-ID: <20900b900cc4efc725a90bba457e7540@www.some_domain.com>, mail_id: JjB83O-BNTCh, Hits: -5.57, size: 19192, queued_as: C82393A800, 5450 ms
Jul 30 09:11:25 zimbra postfix/smtp[32166]: 5521B3A771: to=<user@mydomain.com>, orig_to=<user@mydomain.com>, relay=127.0.0.1[127.0.0.1]:10024, delay=5.6, delays=0.1/0.02/0.01/5.4, dsn=2.0.0, status=sent (250 2.0.0 Ok: queued as C82393A800)
Jul 30 09:11:25 zimbra postfix/qmgr[5921]: 5521B3A771: removed
Jul 30 09:11:25 zimbra amavis[9467]: (09467-01) extra modules loaded: /opt/zimbra/zimbramon/lib/x86_64-linux-gnu-thread-multi/auto/Net/SSLeay/autosplit.ix, /opt/zimbra/zimbramon/lib/x86_64-linux-gnu-thread-multi/auto/Net/SSLeay/randomize.al, IO/Socket/SSL.pm, Net/LDAP/Extension.pm, Net/SSLeay.pm
Jul 30 09:11:26 zimbra postfix/lmtp[32170]: C82393A800: to=<user@mydomain.com>, relay=zimbra.mydomaini.de[10.101.101.11]:7025, delay=0.21, delays=0.07/0.01/0.01/0.12, dsn=2.1.5, status=sent (250 2.1.5 OK)
Jul 30 09:11:26 zimbra postfix/qmgr[5921]: C82393A800: removed
I am with Release 5.0.16_GA_2921.UBUNTU8_64 UBUNTU8_64 FOSS edition

Please give me some advice!