Searching a Zimbra Expert who can teach the following topics on Zimbra:
Product Overview
Architectural Overview
Core Email, Calendar and Collaboration Functionality
Zimbra Components
Zimbra Application Packages
Mail Flow — Multi-Server Configuration
Zimbra System Directory Tree
Zimbra Web Clients
Web Services and Desktop Clients
Offline Mode
Security Measures
Zimbra LDAP Service
LDAP Traffic Flow
LDAP Directory Hierarchy
Zimbra Collaboration LDAP Schema
Zimbra Proxy Server
Benefits of Using Zimbra Proxy
Zimbra Proxy Components
Proxy Architecture and Flow
Changing the Zimbra Proxy Configuration
Zimbra Proxy
Configuring Zimbra HTTP Proxy
Configuring Zimbra Proxy for Kerberos Authentication
Zimbra multi-server installation for fault tolerance.
Setting up zimbra cluster using DRBD and packemaker