Does openfire support User / contact blocking??
I am creating a XMPP based chat. Now i want my users to have a facility by which they can actively block a certain pe
Openfire supports the privacy list XEP (and has been since a long time, including the 3.7.1.release that you're referring to). The Spark client (another project on IgniteRealtime.org) can make use of this. This client also sports a debug window, in which you can see what related XMPP stanzas are exchanged to set up the list.