If anyone is thinking of using Lotus Protector as your anti-spam solution, save yourself a lot of trouble and don't. After 8 months of dealing with tech support and our business partner, we stopped using it and went back to our old solution. We had a lot of problems with it, mostly not detecting spam effectively and several SSL issues.
In case you are wondering we went back to a Microsoft product called "Forefront Online Protection for Exchange." It works perfectly fine with Domino, filters all the spam in the cloud and even stores email if both clustered mail servers go down. You can also now add it as part of a select agreement, which made it very cost effective.
I really wanted Protector to work and loved the integration with the Lotus Notes client however it just didn't do the job.
I think it was a sign at LS12 that Protector only had 1 session and the Protector team had no booth on the show floor like it did the year before.