DavMail Directory support is now available to access Exchange address book through LDAP. A special OpenDirectory naming context was implemented to enable iCal attendee completion.
In OSX Finder, go to Utilities and launch Directory Utility:
Choose Show Advanced Settings, switch to Services tab, select LDAPv3 and click the pencil icon (you may need to unlock settings with your admin password first):
Click New...:
Enter DavMail server name (localhost) and click Manual:
Enter Configuration Name and choose OpenDirectory in LDAP Mappings:
Enter o=od as Search Base Suffix:
If DavMail LDAP listen port is not 389, edit the new configuration, check Use custom port and enter actual port:
Then activate authentication under the Security tab and enter your credentials:
Under the Search Policy tab, choose Contacts, set Search to Custom Path and /LDAPV3/localhost to the list of Directory Domains:
Proceed to OSX IMAP Mail setup