In this Ignite Realtime video, Daniel Henninger explains how external and internal gateways behave in the context of the IM Gateway Plugin for Openfire.
A big Thank You to Daniel for recording this and sending it in as a community contributed podcast!
Or download the Quicktime version (Caution: 119 MB file!)
dear daniel,
thanks for your podcast and also a big thank you for the probably best openfire plugin out there!