Available Plans: Plan Name Description Exchange Version Your Monthly Cost Setup  Cost B47 Basic 500 – 2007 Shared plan with 500MB of space  2007 $11.47 $11.47 B47 Standard 1G – 2007 Shared plan with 1,000MB of space 2007 $19.47 $19.47 B47 Premium 3G – 2007 Shared plan with 3,000MB of space 2007 $25.00 $39.47   Service   Setup Cost Monthly Cost BlackBerry Enterprise Server* $40.00 $15.00 Good Messaging Server* $40.00 $25.00 Server-side SPAM Filtering* $0.00 $2.00 Postini SPAM Filtering* $0.00 $300 Additional Domains $0.00 $2.00 Archiving for Compliance* $30.00 $35.00 Split Domain $35.00 $5                   *Per user fees.