I have a minor but annoying issue with ZCS 6.0.9, and webmail.
When using the ajax webmail interface, if you're sitting in your inbox, and have selected a message to read, and then click on Get Mail. The message that you were reading gets checked (selected).
Of course you can simply un-check it afterwards, but if you dont notice that this happened, it could be very easy to accidentally delete a message that you didnt intend to.
Might this be a known issue? I was unable to find reference to it in a search on the forum, but as you can imagine, its somewhat tricky to search for.