All BB's have an email address. If you're not on a BES you set it up in the webclient. You select a name for your account when you set up your BWC and then the email address will be
. The carrier would be whoever your carrier is, i.e.
. That address you can receive and respond with. I think all phones can be accessed by sending an email using their phone number through the carrier. For example, with Nextel you can send an email to
. If you use that method you can't reply to the message as you don't know who it is coming from.