When browsing (F8), spark defaults to the server to which you have connected. However, if you connected using an SRV record it should default to the domain name, not server name. With the defaults and using SRV connections, the browsing returns no results, and you have to manually change the jabber address to match the domain name for any results to be returned.
Email addresses in Spark confuse Outlook. I know this has been mentioned before. Can we (at least) have any option to disable the ability to click on email addresses shown in Spark if this isn’'t fixable?