We just installed the Zimbra suite yesterday afternoon and all was working well with 10 test users. Some time last night, the Zimbra MTA died and will not restart. Here is what I saw when trying to restart.

[zimbra@zbox ~]$ zmcontrol stop
Host zbox.apprion.net
Stopping antispam...Done
Stopping antivirus...Done
Stopping ldap...Done
Stopping logger...Done
Stopping mailbox...Done
Stopping mta...Done
Stopping snmp...Done
Stopping spell...Done
[zimbra@zbox ~]$ zmcontrol start
Host zbox.apprion.net
Starting ldap...Done.
Starting antispam...Done.
Starting antivirus...Done.
Starting logger...Done.
Starting mailbox...Done.
Starting mta...FAILED
getService: sasl
getService: perdition
DO: /opt/zimbra/postfix/sbin/postconf -e content_filter='smtp-amavis:[127.0.0.1]:10024'
DO: /opt/zimbra/postfix/sbin/postconf -e myhostname='zbox.apprion.net'
DO: /opt/zimbra/postfix/sbin/postconf -e recipient_delimiter=''
DO: /opt/zimbra/postfix/sbin/postconf -e smtpd_sasl_auth_enable='yes'
DO: /opt/zimbra/postfix/sbin/postconf -e smtpd_tls_auth_only='yes'
DO: /opt/zimbra/postfix/sbin/postconf -e disable_dns_lookups='no'
DO: /opt/zimbra/postfix/sbin/postconf -e message_size_limit='10240000'
DO: /opt/zimbra/postfix/sbin/postconf -e relayhost=''
DO: /opt/zimbra/postfix/sbin/postconf -e smtpd_recipient_restrictions='reject_non_fqdn_reci pient, permit_sasl_authenticated, permit_mynetworks, reject_invalid_hostname, reject_non_fqdn_sender, reject_unauth_destination, permit'
saslauthd[9680] :set_auth_mech : failed to initialize mechanism zimbra


Starting snmp...Done.
Starting spell...Done.
[zimbra@zbox ~]$ hostname
zbox.apprion.net
[zimbra@zbox ~]$ zmcontrol start
Host zbox.apprion.net
Starting antispam...Done.
Starting antivirus...Done.
Starting logger...Done.
Starting mailbox...Done.
Starting mta...FAILED
getService: sasl
getService: perdition
DO: /opt/zimbra/postfix/sbin/postconf -e content_filter='smtp-amavis:[127.0.0.1]:10024'
DO: /opt/zimbra/postfix/sbin/postconf -e myhostname='zbox.apprion.net'
DO: /opt/zimbra/postfix/sbin/postconf -e recipient_delimiter=''
DO: /opt/zimbra/postfix/sbin/postconf -e smtpd_sasl_auth_enable='yes'
DO: /opt/zimbra/postfix/sbin/postconf -e smtpd_tls_auth_only='yes'
DO: /opt/zimbra/postfix/sbin/postconf -e disable_dns_lookups='no'
DO: /opt/zimbra/postfix/sbin/postconf -e message_size_limit='10240000'
DO: /opt/zimbra/postfix/sbin/postconf -e relayhost=''
DO: /opt/zimbra/postfix/sbin/postconf -e smtpd_recipient_restrictions='reject_non_fqdn_reci pient, permit_sasl_authenticated, permit_mynetworks, reject_invalid_hostname, reject_non_fqdn_sender, reject_unauth_destination, permit'
saslauthd[17686] :set_auth_mech : failed to initialize mechanism zimbra


Starting snmp...Done.
Starting spell...Done.


Any help or suggestions would be great