New to Zimbra and the forum...
I have upgraded to the 4.5.10_GA_1575 version and now when I create a sub folder via the web interface Thunderbird never sees it. However if I add a folder via Thunderbird the web interface sees it immediately. Outlook does something similar... I am using IMAP to connect with all my clients and this is a growing issue. It also affects the syncing of e-mails if a user has rules placing them in folders.
Any help is appreciated.