Spam filtering is the killer feature for a lot of people. I'm using Rackspace hosted email on a paid basis at the moment. Any spammer that wants to can bypass

Spam filtering is the killer feature for a lot of people. I'm using Rackspace hosted email on a paid basis at the moment. Any spammer that wants to can bypass the spam and manual filtering just by using UTF8 encoding on most of the message. It's been an open bug in the product for 2 years now and will likely never be fixed.