Halon consolidates your email infrastructure, reducing risk and complexity. Halon makes email infrastructure scalable, simple to manage, rich in functionality and easy to evolve.
I love how easy it is to set up. The interface looks great (though not as nice as some of the other services out there). It's super cheap! Their support team can be terrible at times. But they are working to improve that so far so good.
We've been running our email through their service for over 4 years now without issue. There are no issues or complaints about halon from people who have used them. We use their cloud based email solution for both business and personal email accounts. This cutsβ¦
Pros
Easy integration into existing Windows infrastructure including Active Directory / Group Policy etc.