AT&T Wireless and palmOne announced the immediate availability of the Treo 600 smartphone, an integrated wireless smartphone that runs over AT&T Wireless Next Generation GSM/GPRS network. The Treo 600 smartphone provides a POP3 email solution and comes preconfigured with settings for several popular ISPs, or users can set up the Treo 600 smartphone to access their own POP3 accounts. In addition, through agreements with Good Technology and Visto Corporation, AT&T Wireless is now offering corporate email solutions that provide businesses with access to Microsoft Outlook or Lotus Notes email behind their corporate firewalls.