Hi all,

I'm new to this forum so hope this is the right place to post this info. I have noticed every morning, the mail server starts to get accessible later and later. It used to be accessible around 4 AM but then recently, it's down until 5:30 and today it was down until 5:40 AM.

I checked Zimbra status and everything was normal. Checked zimbra.log file and it was huge (the size was over 28Mb). I see a block of data being repeated in the log, would you please tell me if I should be worried or this is a normal behavior for Zimbra?

Thanks in advance
Code:
Nov  2 05:11:10 mail zimbramon[26141]: 26141:info: zmmtaconfig: Sleeping...Key lookup failed. 
Nov  2 05:11:16 mail zimbramon[26141]: 26141:info: zmmtaconfig: Skipping Global system configuration update. 
Nov  2 05:11:16 mail zimbramon[26141]: 26141:info: zmmtaconfig: gacf ERROR: service.FAILURE (system failure: ZimbraLdapContext) (cause: javax.naming.CommunicationException name.domain.com:389)  
Nov  2 05:11:17 mail zimbramon[26141]: 26141:info: zmmtaconfig: Skipping All Reverse Proxy URLs update. 
Nov  2 05:11:17 mail zimbramon[26141]: 26141:info: zmmtaconfig: Skipping getAllReverseProxyURLs ERROR: service.FAILURE (system failure: ZimbraLdapContext) (cause: javax.naming.CommunicationException name.domain.com:389)  
Nov  2 05:11:17 mail zimbramon[26141]: 26141:info: zmmtaconfig: Skipping All Reverse Proxy Backends update. 
Nov  2 05:11:17 mail zimbramon[26141]: 26141:info: zmmtaconfig: Skipping getAllReverseProxyBackends ERROR: service.FAILURE (system failure: ZimbraLdapContext) (cause: javax.naming.CommunicationException name.domain.com:389)  
Nov  2 05:11:18 mail zimbramon[26141]: 26141:info: zmmtaconfig: Skipping All Memcached Servers update. 
Nov  2 05:11:18 mail zimbramon[26141]: 26141:info: zmmtaconfig: Skipping getAllMemcachedServers ERROR: service.FAILURE (system failure: ZimbraLdapContext) (cause: javax.naming.CommunicationException name.domain.com:389)  
Nov  2 05:11:19 mail zimbramon[26141]: 26141:info: zmmtaconfig: Skipping All MTA Authentication Target URLs update. 
Nov  2 05:11:19 mail zimbramon[26141]: 26141:info: zmmtaconfig: Skipping getAllMtaAuthURLs ERROR: service.FAILURE (system failure: ZimbraLdapContext) (cause: javax.naming.CommunicationException name.domain.com:389)  
Nov  2 05:11:19 mail zimbramon[26141]: 26141:info: zmmtaconfig: Skipping Configuration for server name.domain.com update. 
Nov  2 05:11:19 mail zimbramon[26141]: 26141:info: zmmtaconfig: gs:name.domain.com ERROR: service.FAILURE (system failure: ZimbraLdapContext) (cause: javax.naming.CommunicationException name.domain.com:389)