In a statement on its mainland Web site, the company said it has boosted the storage capacity for its free mail service from 100MB to 1GB, matching the storage of rival.
While Gmail's trials are confined to a select group, Yahoo's upgrade will be extended to all existing and new users of its mail service in China. However, subscribers must first log on to Yahoo's instant messenger service and add other users to their contact lists to qualify for the.
A representative of Yahoo Southeast Asia said there are "no immediate plans" to offer a similar upgrade to users in other countries. Connecting to Yahoo's e-mail page from the United States on Thursday shows the company stillof free storage in other parts of the world.
The move marks the latest attempt by a major search giant to garner a greater share of China's booming Internet market, which, according to the China Internet Network Information Center, is expected to exceed 100 million users by year's end.
Earlier this year, Google invested inand launched its advertising product called AdWords in the Chinese language.
Not to be outdone by growing competition from international rivals, Chinese portals likeand Netease have reportedly joined the e-mail storage war and raised the capacities of their e-mail services.
Winston Chai of CNETAsia reported from Singapore.