legitimate traffic

What is SMTP tar pitting? How do I enable the tar pit feature in Windows Server 2003

Tar pitting is the practice of deliberately inserting a delay into certain SMTP communications that are associated with spam or with other unwanted traffic. To be effective, these kinds of communications typically rely on generating a high volume of traffic. By slowing an SMTP conversation, you can dramatically reduce the rate at which automated spam [...]

How to Protect against IM Vulnerabilities and Unauthorized IM Usage

Establish policies for acceptable use of instant messaging and ensure that all users are aware of those policies and clearly understand the potential risks. Establish policies for Mobile device usage, including password and encryption requirements. Create proper configuration standards for IM products that restrict file transfers. In general, users should not be permitted to install [...]