For companies looking for total in-house control, this is probably not the option for them. In addition, depending upon the size of company, the ongoing expense of managed service might not be cost-effective. Managed services offer a robust solution that can be quickly deployed, often in less than 7 days. And, because of the relatively easy exit strategy, managed services offer a low-risk approach to solving the spam and virus problem, as well as a temporary solution to a growing problem while alternatives are considered.