Alltel:         @message.alltel.com
AT&T:           @txt.att.net
Boost Mobile:   @myboostmobile.com
Sprint Nextel:  @messaging.sprintpcs.com
T-Mobile:       @tmomail.net
U.S. Cellular:  @email.uscc.net
Verizon:        @vtext.com
Virgin Mobile:  @vmobl.com