Contact: Angela McMahon Carabiner Communications 404-543-9636 amcmahon…

Contact:
Angela McMahon
Carabiner Communications
404-543-9636
amcmahon@carabinerpr.com

         Acxiom Digital Selects Message Systems Delivery Manager
           Partnership further extends Acxiom Digital's market leadership by enabling
                   clients to leverage authentication protocols such as DKIM

COLUMBIA, MD ­ January 16, 2008 ­ Email solutions provider Message Systems announced
today that Acxiom Digital, a leading provider of integrated digital marketing solutions for Global
2000 enterprises, has selected the Message Systems Delivery Manager as its email delivery
system.

Acxiom Digital chose Message Systems Delivery Manager for its advanced email deliverability
functionality, including sophisticated receiver-specific sending controls and support for leading
third-party reputation partners such as GoodMail as well as the latest authentication protocols
such as Domain Keys and Domain Keys Identified Mail (DKIM). Delivery Manager also features
the high-volume scalability necessary to meet Acxiom Digital's growing business.

Acxiom Digital also chose Message Systems Delivery Manager for its delivery speed and unique
clustering capability, which reduced Acxiom Digital's IT infrastructure management costs while
delivering end-to-end systems management and reporting. Message Systems' clustering improves
quality of service, ensures high availability and provides on-demand analysis through single-point
management and configuration. Acxiom Digital system administrators can use Message Systems
Delivery Manager's Web-based Cluster Console to visually monitor cluster metrics in real time
and make immediate policy changes to ensure continued high performance.

"Our reputation as a market leader in integrated digital marketing is a direct result of our
unwavering focus on innovation and ability to implement results-driven, high-performance digital
marketing technologies and services for our clients," said Kevin Johnson, leader for Acxiom
Digital. "Partnering with Message Systems on our email delivery system infrastructure is
important, because it positions our clients as the first in the industry to be able to take advantage
of DKIM and promises to support numerous future platform enhancements that are on our
product roadmap."

"Everything we do is predicated on increasing our customers' email deliverability, making their
business more profitable through reduced overhead and engendering client loyalty," said Barry
Abel, Message Systems' vice president of Field Operations. "Acxiom Digital is a perfect example
of the type of company that can realize immediate and future benefits from Message Systems
Delivery Manager's inherent high performance and scalability, third-party integration, on-
demand analytics and streamlined clustered infrastructure."

About Acxiom Digital
Acxiom Digital is a leading provider of integrated digital marketing solutions for Global 2000
enterprises including Marriott, Gap, Inc., and Hewlett-Packard. Acxiom Digital combines agency
services with world-class campaign execution on a proprietary technology platform to deliver
superior marketing results for clients. The Company's proprietary IMPACTTM platform combines
campaign management with advanced analytics to assist account and client teams in designing,
sending and analyzing direct marketing communications. The Company creates and executes
campaigns across multiple media channels including personalized e-mail, targeted websites,
banner and other web advertisements, search engines, and direct mail (print). Acxiom Digital is a
member of the TRUSTe Privacy Program and the NAI's E-mail Service Provider Coalition and
works only with companies that adhere to appropriate consumer privacy guidelines. Acxiom
Digital was founded in 1997 and operated as Digital Impact prior to acquisition by Acxiom
Corporation in 2005. For more information, visit www.acxiomdigital.com.

About Acxiom Corporation
Acxiom Corporation (NASDAQ:ACXM - News) integrates data, services and technology to
create and deliver customer and information management solutions for many of the largest, most
respected companies in the world. The core components of Acxiom's innovative solutions are
Customer Data Integration (CDI) technology, data, database services, IT outsourcing, consulting
and analytics, and privacy leadership. Founded in 1969, Acxiom is headquartered in Little Rock,
Arkansas, with locations throughout the United States and Europe, and in Australia, China and
Canada. For more information, visit www.acxiom.com.

About Message Systems
Founded in 1997, Message Systems is a worldwide provider of email software solutions and
services for email service providers (ESPs), Internet service providers (ISPs) and large enterprises
that need to manage the delivery of large amounts of business-critical email. Through a
combination of technology, partnerships and intellectual capital, Message Systems offers a family
of software solutions and services that address the email infrastructure and deliverability needs
for organizations ranging from regional businesses to the Global 2000. With the most powerful
Message Transfer Agent (MTA) on the market supporting more than 100,000 concurrent
connections per server, Message Systems gets millions of unique messages to the right place at
the right time. Headquartered in Columbia, Maryland, Message Systems has a network of channel
partners in North America, Europe and Asia. For more information, go to
http://www.messagesystems.com.
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