Postini is Google’s 2006 acquisition for secure messaging, and a direct competitor to IronPort. All of their offerings surround Software As A Service (SAAS), matching directly with Google’s overall technology strategy. They provide several services, including web security, anti-spam/malware, mail filtering, and archival with indexing. The Data Leakage Prevention capabilities provide privacy protections through outbound communication filters. Additionally, there are management tools and continuity procedures appropriate for enterprise use.

Postini’s background technology stems from threat assessment and message parsing capabilities, grown through several years as a primary mail provider. There are two major patents, with a variety of [...]