Overstock.com Improves Customer Response in Trial of Goodmail Systems' Certified Email

Mountain View, CA; August 9, 2006 - Goodmail Systems today announced that its client Overstock.com® experienced a 19% increase in email click-through rates as well as an increase in per-email sales in a test marketing campaign using Goodmail Systems' CertifiedEmail, as compared to a control group of non-CertifiedEmail messages. Overstock.com sent a test population of customers promotional marketing offers with images of merchandise and links to the Overstock.com website; customers were able to click on desired merchandise, go to the website, and buy products.

"The increase in sales generated per email makes the ROI of CertifiedEmail compelling," said Geoff Atkinson, director of email and website marketing for Overstock.com. "Authenticated CertifiedEmail messages also provide security benefits for our customers."

CertifiedEmail is Goodmail's service for restoring trust to email communications among volume email senders and their consumer recipients. Accredited senders with the best email practices can choose to send their marketing and transactional messages via CertifiedEmail, which imprints a cryptographically-secure token on outgoing email messages and lets participating ISPs and mailbox providers like AOL and Yahoo! assure delivery of those messages to the server-level inbox. Many ISPs today routinely disable links and images as a security precaution against phishing and other forms of email-based fraud. CertifiedEmail messages are clearly labeled and presented with all links and images and intact

"Overstock.com is an extremely sophisticated marketer, and is in the vanguard in its use of cutting-edge email marketing technologies," said John Ouren, senior vice president of sales and business development for Goodmail Systems. "They were able to prove that the benefits of trusted email, with links and images automatically rendered and the presentation of a unique trust icon, have a direct impact on click-through rate and bottom-line, per-email revenue."

Over the course of one month, Overstock.com maintained a persistent control group throughout five distinct email marketing campaigns to a customer list split evenly between those receiving CertifiedEmail messages and those receiving non-certified email messages. Across the five campaigns, CertifiedEmail message recipients showed higher email metrics as compared to the non-CertifiedEmail recipients.

About Overstock.com

Overstock.com, Inc. is an online "closeout" retailer offering discount, brand-name merchandise for sale over the Internet. The company offers its customers an opportunity to shop for bargains conveniently, while offering its suppliers an alternative inventory liquidation distribution channel. Overstock.m.com, headquartered in Salt Lake City, is a publicly traded company listed on the NASDAQ National Market System and can be found online at www.Overstock.com .

About Goodmail Systems

Goodmail Systems makes CertifiedEmail™, the industry standard class of trusted email. CertifiedEmail provides a safe and reliable means for consumers to easily identify authentic email messages from legitimate commercial and nonprofit email senders. Each CertifiedEmail is sent with a cryptographically secure token that assures authenticity, and is marked in the inbox with a unique blue ribbon envelope icon, enabling consumers to visually distinguish email messages which are real and sent from email senders with whom they have a pre-existing relationship. Available to email senders meeting strict standards for best practices and low complaint rates, it is the only class of email available that assures delivery of all opt-in email messages to the inbox, with links and images automatically rendered intact, yielding measurable improvements in email campaign effectiveness. CertifiedEmail has been adopted by seven of the nation's top ten email mailbox providers, and is in use by 500 commercial, government and non-profit senders. It is supported in North America and Europe by a wide network of email platforms and service providers.

Media Contacts

Stephen Gilmore
Manning Selvage & Lee
Telephone: 212-468-4056
Email: stephen.gilmore@mslpr.com