hi, im new to linux and zimbra, im doing my assignment so i choose to try setup local/internal email server, i install using ubuntu 10.04 64 bit on virtual box, im succesfull configuring the zimbra server,

i can access and send email through web between user i create, but i want to try using mozilla thunderbird, but it cannot find my domain ,

my ubuntu box : nyxpro.nyxmain.org

i tried also the zimbra desktop, error also
please guide me

sorry for my broken english