I've got M2 installed, and it looks like it's working well. However, the feature mentioned here:

http://www.zimbra.com/blog/archives/...st_and_no.html

Where one can use the

http://server/zimbra/user/roland/inbox.rss?query="is:unread"

URL to get an RSS feed of an inbox doesn't seem to work. I get an:

> HTTP Status 501 - support for requested folder type not implemented yet
>
> type Status report
>
> message support for requested folder type not implemented yet
>
> description The server does not support the functionality needed to fulfill this request (support for requested folder type not implemented yet).
> Apache Tomcat/5.5.7

Should I assume this functionality isn't in M2, or is this a bug?

Thanks much!