I have no idea what to look for in the mail.log, I had check through the mail.log but can’t find any ‘<>’ or blank sender. I had also had try the spam control recommended in the wiki but still the...

Lately in the daily mail report - top 50 senders by message count show highest sender from=<>, what type of sender is this? and can block this type of sender?

Getting worry as this type of sender...

Checked the bug, not the same did run the command

su - zimbra -c date | wc -l

returned "1"

i got an error when upgrading open source version for RHEL 5 from 6.0.4 to 6.0.8. as below

This appears to be 6.0.4_GA
Checking ldap status...not running.
Running zmldapapplyldif...done....