"I have been using SpamTitan for over a year now and have been very surprised at what it does. Our company receives about 140K of emails a week and it has been able to cut that down to a legitimate and manageable 20K of email. My users have been very grateful for the spam filtering that is being provided by SpamTitan.
One of the biggest pros to the software is their support. When I have needed support I can get a hold of them with ease and get the problem resolved in a time frame that works for IT professionals. Renewals have been just as easy. I just renewed my license for another 3yrs. which was almost instant. The cost is also very reasonable. The amount of time my end users save from not dealing with spam easily pays for the product time and time again."