For those who can , the iPhone can be a powerful for mobile professionals. Besides the potential , 's latest handset is capable of receiving and sending corporate e-mails.

Some small and midsize businesses may not be able to afford the costs of a Microsoft Exchange server, but they still want to use Apple's latest handset for business e-mail. These customers may want to look toward Apptix, as the company announced Friday the availability of hosted 2007 services for the iPhone 3G via ActiveSync.

With this service, iPhone users can have full push synchronization of their Outlook e-mail, calendar, and contacts via a 128-bit encrypted connection. For this, users need to have an active subscription to the Apptix hosted Exchange service plan with the ActiveSync option.

"Apple's inclusion of ActiveSync mobile access means that our customers can now leverage the latest in mobile devices with the power of hosted Exchange, whether they are a one-person business or a 1,000-person corporation," said James Bond, director of engineering at Apptix, in a statement.

The iPhone 3G will automatically discover the Apptix Exchange farm after a user enters a user name, address, and password. The service also will work with original iPhones with the upgraded 2.0 software, as well as other ActiveSync-ready smartphones.

The iPhone 3G has been a highly anticipated device because of its ability to use 3G networks, built-in GPS, and its integrated enterprise capabilities. But the device's launch was marred Friday by technical issues that impeded many buyers from their activating their phones.