RIM have just announced official, certified support for BES 4.1.5 running on Domino 8.0.1. See the BlackBerry web site for further information.

Related articles:

• BES 4.1.5 on Domino Review
• Lotus Domino R8.0.1 Server Improvements
• Lotus Notes R8 Technical Brief
• Lotus Notes R8 Technical Brief Update