The Chicago-based Centerpost said Draper Fisher Jurvetson, Portage Venture Partners and Tribune Ventures also participated in the latest round
The new money comes on the heels of recently announced agreements with United Airlines and Travelocity.com to provide both the airline and online travel industries with the Centerpost's travel alert service.
The company's XML-based SmartDelivery service enables companies to deliver all types of information to their customers, from urgent alerts to less time-sensitive information.
"With SmartDelivery, companies provide their customers the flexibility to specify exactly what information they want to receive and on which wired or wireless communication devices they want to receive it -- phone, e-mail, pager, fax or personal digital assistant (PDA)," Centerpost said.
The product also offers message tracking, message storage and "any device" two-way messaging capabilities.
"This funding round is further validation of Centerpost's unique technology for electronic messaging. In these challenging market conditions, having a strong consortium of top-tier investors is a testament to the strength of our product offering, as well as a major competitive advantage," said Juergen Stark, co-founder and CEO of Centerpost.