Are you running the latest 1537 build? Please follow the instruction here to see if you have any errors (not warnings) in error console.
http://wiki.zimbra.com/index.php?tit...splay_issue.3F Quote:
Originally Posted by YankeeFan  OK....I reinstalled Thunderbird, made it the default mail application, but the check box in Zimbra is still grayed out. I've tried re-starting Zimbra but no change....this is frustrating. |