The first Web Mail implementation was developed at CERN in 1993 as a test of the HTTP protocol stack. This led to the discovery that the specification of the POST method was faulty, requiring the introduction of the Content-Length header. The CERN-PTG daemon was released later that year but was not developed further. Up In the early days of the web, in 1994 and 1995, several people were working on enabling email to be accessed via a web browser.
In 1994, Bill Fitler, from USA began working on an implementation of web-based email as a Windows NT, and demonstrated it publicly at on January 24, 1995.
Early commercialization of webmail was also achieved when “Webex”—with no relation to the web conferencing company—began to be sold by Mankins’ company, DotShop, Inc., at the end of 1995. Within DotShop, “Webex” changed its name to “EMUmail”, which would be sold to companies like UPS and Rackspace until its sale to Accurev in 2001. EMUmail was one of the first applications to feature a free version that included embedded advertising as well as a licensed version that did not.
Hotmail and Four11’s RocketMail both launched in 1996 as free services and immediately became very popular.
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