RocketMail was one of the first major free webmail services. The service was originally a product of Four11 Corporation. For a brief time, RocketMail battled with

Hotmail Outlook.com is a webmail service that is part of the Microsoft 365 product family. It offers mail, Calendaring software, calendaring, Address book, contacts, and Task management, tasks services. Founded in 1996 by Sabeer Bhatia and Jack Smit ...

for the number-one spot among free webmail services. Four11, including RocketMail, was acquired by

Yahoo! Yahoo! (, styled yahoo''!'' in its logo) is an American web services provider. It is headquartered in Sunnyvale, California and operated by the namesake company Yahoo Inc., which is 90% owned by investment funds managed by Apollo Global Manage ...

in 1997 for $92 million. Yahoo! assimilated the RocketMail engine.

Yahoo! Mail Yahoo! Mail is an email service launched on October 8, 1997, by the American company Yahoo, Inc. The service is free for personal use, with an optional monthly fee for additional features. Business email was previously available with the Yahoo! ...

was essentially the old RocketMail Webmail system. At the time of the transition, RocketMail users could either choose a Yahoo! ID, since they were not guaranteed the availability of their RocketMail ID on Yahoo!, or could use ''username.rm'' as their Yahoo! ID. Thus, they were able to keep their rocketmail.com address and receive the same services as all Yahoo! users. On 19 June 2008, Yahoo! started the RocketMail brand again by allowing new users to sign up for accounts under the rocketmail.com domain, which had not been possible since its acquisition of Four11 Corporation. In April 2013, Yahoo! closed support for creating new RocketMail email addresses; existing RocketMail accounts were not affected.

References

{{DEFAULTSORT:Rocketmail Webmail Yahoo! Mail Yahoo! acquisitions Internet properties established in 1996