Hello,
I'm trying to install Zimbra on Tiger 10.4.8 and it's just not working.

Sat Mar 20 21:02:24 2010 Operations logged to /tmp/zmsetup.03202010-210224.log
Sat Mar 20 21:02:24 2010 Checking java version...
Sat Mar 20 21:02:24 2010 1.5 found
Sat Mar 20 21:02:24 2010 *** Running as zimbra user: /opt/zimbra/libexec/zmldapschema 2>/dev/null
Looking for LDAP installation...succeeded
Installing core schema...
Installing cosine schema...
Installing inetOrgPerson schema...
Installing zimbra schema...
Installing amavis schema...
Sat Mar 20 21:02:26 2010 Upgrading from to 6.0.5_GA_2213
Sat Mar 20 21:02:26 2010 Stopping zimbra services...
Sat Mar 20 21:02:26 2010 *** Running as zimbra user: /opt/zimbra/bin/zmcontrol stop
Host localhost
Stopping stats...Done.
Stopping mta...Done.
Stopping spell...Done.
Stopping snmp...Done.
Stopping archiving...Done.
Stopping antivirus...Done.
Stopping antispam...Done.
Stopping imapproxy...Done.
Stopping memcached...Done.
Stopping mailbox...Failed.
Stopping zmmtaconfig...zmmtaconfig is not running.
Stopping mailboxd...mailboxd is not running.
Error: assertion '-r /opt/zimbra/conf/my.cnf' failed


Stopping logger...Done.
Stopping ldap...Done.
Sat Mar 20 21:02:36 2010 failed. exiting.
Sat Mar 20 21:02:36 2010 UPGRADE FAILED - exiting.