Keep your friends close, but keep your enemies closer. If you want to know how to defend against Exchange, you gotta keep your resources up to date. So here's a list of some usefull stuff.
Looking for Messaging info on vendors and service providers ?
Check out the Osterman Research Vendor and Service Provider Directory.
This directory provides a source of information that IT staffers and others can employ to identify vendors and other providers of various messaging- and directory-related products, services and technologies. Osterman Research makes no warranty as to the suitability or fitness of this information for a particular purpose. Also, please note that this directory is still in re-development and by no means represents a complete listing of all vendors or service providers in the various categories.
Messaging Disaster Recovery/Business Continuity
Hosted and Managed Messaging
Mass Notification Systems
Messaging Client Software
Messaging and Web Security
Messaging Server Software
Unified Communications and Unified Messaging
Check out the Open Horizons Magazine Summer 2008, the GroupWise and T+C magazine by GroupWiseR.
Like to "hear" GroupWise people talk about GroupWise? Check out the GWCheck Talk Interviews...
Newest interview: Omni RIVA Solutions for GroupWise