Hello Friends,

Zimbra server processed died suddenly and I am trying to find the root cause for same. ANy clue why this might have happened.
Here are the logs I am seeing just beofre the processes crashes.

Apr 23 09:50:06 mail postfix/proxymap[2251]: error: dict_ldap_connect: Unable to set STARTTLS: -1: Can't contact LDAP server
Apr 23 09:50:06 mail postfix/proxymap[2251]: error: dict_ldap_connect: Unable to set STARTTLS: -1: Can't contact LDAP server
Apr 23 09:50:06 mail postfix/proxymap[2251]: error: dict_ldap_connect: Unable to set STARTTLS: -1: Can't contact LDAP server
Apr 23 09:50:06 mail postfix/trivial-rewrite[2889]: fatal: proxy:ldap:/opt/zimbra/conf/ldap-vad.cf(0,lock|fold_fix): table lookup problem
Apr 23 09:50:06 mail postfix/proxymap[2251]: error: dict_ldap_connect: Unable to set STARTTLS: -1: Can't contact LDAP server
Apr 23 09:50:06 mail postfix/proxymap[2251]: error: dict_ldap_connect: Unable to set STARTTLS: -1: Can't contact LDAP server
Apr 23 09:50:06 mail postfix/proxymap[2251]: error: dict_ldap_connect: Unable to set STARTTLS: -1: Can't contact LDAP server
Apr 23 09:50:06 mail postfix/trivial-rewrite[2890]: fatal: proxy:ldap:/opt/zimbra/conf/ldap-vad.cf(0,lock|fold_fix): table lookup problem
Apr 23 09:50:06 mail postfix/proxymap[2251]: error: dict_ldap_connect: Unable to set STARTTLS: -1: Can't contact LDAP server
Apr 23 09:50:06 mail postfix/proxymap[2251]: fatal: too many errors - program terminated
Apr 23 09:50:07 mail postfix/master[20522]: warning: process /opt/zimbra/postfix/libexec/trivial-rewrite pid 2889 exit status 1
Apr 23 09:50:07 mail postfix/smtpd[2250]: warning: problem talking to service rewrite: Success
Apr 23 09:50:07 mail postfix/master[20522]: warning: /opt/zimbra/postfix/libexec/trivial-rewrite: bad command startup -- throttling