Version: March 7, 2007

The acceptable use of the Postini services (the "Services") is for the purposes set forth in the applicable contract between Postini and its customer, reseller or other authorized user. An authorized user's right to use the Services is non-exclusive and subject to compliance with the terms and conditions of this AUP, as posted or published on Postini's website from time to time. Postini may amend this AUP in its sole discretion from time to time. The continued use of the Services after a revised AUP has been posted on Postini's website will be deemed acceptance of this AUP. The following practices are strictly prohibited by Postini, whether by its customers, resellers, customers of resellers or other parties:

• Using the Services for any unlawful, invasive, infringing, defamatory, or fraudulent purpose;
• Using the Services to send unsolicited bulk commercial email ("Junk Email") of any kind, regardless of the content or nature of such messages;
• Intentionally sending any virus, worm, Trojan horse or harmful code or attachment with the Services;
• Interfering with the use of the Services by Postini's customers, authorized resellers and/or other authorized users;
• Altering, tampering with or circumventing any aspect of the Services;
• Reselling, passing-through, renting, leasing, timesharing or branding the Services or otherwise providing the Services to any party which is not contractually authorized by Postini to receive the Services.
• Testing or reverse-engineering the Services in order to find limitations, vulnerabilities or evade filtering capabilities;
• Supplying proprietary information about the Services, including but not limited to screen shots, product documentation, demonstrations, service descriptions, announcements, or feature roadmaps to unauthorized third parties;
• Using the Services in a manner not authorized, including use of any features that filter electronic messages for users where a Postini Message Center Account has not been established (except as may be permitted in writing by Postini).

If a Postini customer, reseller, customer of a reseller or other third party violates any of the foregoing prohibitions, Postini may immediately suspend or limit the Services, terminate the applicable Postini services agreement without further liability or obligation to Customer and/or take all other action as contractually permitted. As between Postini and Customer, all intellectual property and proprietary rights relating to the Services, including but not limited to any specifications, interfaces, protocols and configurations related to the Services, shall belong solely and exclusively to Postini.

To report suspected violation of this AUP, please contact us at http://www.postini.com/about_postini/complaints.php.

This AUP will always be available at:
http://www.postini.com/legal/aup.php