New York-- Dec. 14, 1999 -- Mail.com, Inc. (NASDAQ: MAIL) a leading global provider of Internet messaging services, today announced a three-year agreement with Net2Phone (NASDAQ: NTOP), a leading provider of voice-enhanced Internet communication services to individuals and businesses worldwide. The agreement allows Mail.com members to make both domestic and international telephone calls over the Internet through their Mail.com e-mail account saving up to 95 percent off the cost of traditional long distance calls.

In an ongoing effort to provide expanded communications tools to its member base, Mail.com will integrate Net2Phone's "Click2Talk" technology into the address book of its millions of mailboxes, allowing members to place Internet phone calls simply by clicking on their address book entries.

"Consistent with our strategy of becoming a fully integrated communications portal, Mail.com will now offer advanced IP telephony services to its member base. These value-added services benefit not only our members, but also give Mail.com a competitive edge in the marketplace," said Lon Otremba, chief operating officer of Mail.com.

Net2Phone lets any Mail.com member with a sound-equipped PC initiate phone calls from a computer and transmit them over the Internet through Net2Phone's switches. Net2Phone allows users to place telephone calls from their PCs to any telephone, fax machine, or multimedia PC anywhere in the world over the Internet.

"Partnering with Net2Phone allows Mail.com to provide its members with advanced telecommunications technology that is not only convenient, but cost effective, further demonstrating our commitment to making Mail.com a one-stop resource for all of its members communications needs," added Otremba.

Through this partnership, Mail.com and Net2Phone will offer Mail.com members four advanced IP telephony services: PC to phone, phone to PC, phone to phone and PC to PC. The Net2Phone dialer also includes advanced features such as integration with leading instant messaging applications.

"Mail.com has built a robust customer base with millions of mailboxes and we are looking forward to offering our PC-based Internet telephony services to these Internet-savvy users," said Cliff Sobel, Chairman of Net2Phone. "By integrating Net2Phone's services into Mail.com's suite of services, we can provide Mail.com's users with the value-added benefits of adding the voice component to communications on the Web."

About Mail.com
Mail.com, Inc. (http://corp.mail.com) is a leading Internet Messaging Company serving all four market segments that provide e-mail services: direct to consumers, Web sites, ISPs and corporations. Mail.com serves the consumer market through the Mail.com flagship site, www.mail.com, and over 40 high traffic partner Web sites such as CBS SportsLine, CNET, DellNet, NBC, CBS' iWon and Snap.com. The Company's ISP and corporate partners include AT&T, Continental Airlines, EarthLink, GTE, Juno and Prodigy.

About Net2Phone
Net2Phone is a leading provider of voice-enhanced Internet communications services to individuals and businesses worldwide. Net2Phone enables people to place low-cost high quality calls from their computer, telephone, or fax machine to any telephone or fax machine in the world. Net2Phone develops and markets technology and services for IP voice and e-commerce solutions for the web and other IP networks.

This news release may contain statements of a forward-looking nature relating to the future events or the future financial results of Mail.com and Net2Phone. Investors are cautioned that such statements are only predictions and that actual events or results may differ materially. In evaluating such statements, investors should specifically consider the various factors which could cause actual events or results to differ materially from those indicated from such forward-looking statements, including the matters set forth in Mail.com's and Net2Phone's reports and documents filed from time to time with the Securities and Exchange Commission.

Sarah Hofstetter
Vice President, Corporate Communications
Net2Phone
201-928-2882
sarah@net2phone.com