Open-source collaboration software vendor Open-Xchange is launching OXtender for Business Mobility, which adds support for push e-mail to mobile phones that use Microsoft's ActiveSync protocol, it said on Wednesday.
Google on Tuesday introduced push e-mail for iPhone and Windows Mobile devices, stepping up its enterprise offerings.
Google has unveiled a new service that will push Gmail and calendar items to the native client software on BlackBerry devices, stepping up the search giant's efforts in the enterprise market.
Microsoft is offering smaller businesses the same kind of Windows Mobile push services that enterprises get with new versions of its server software, expected to be launched on Wednesday.