thk! unSpawnfor for your advice
but some of my friends told me it is not a good idea to just delete an account?? and i just prove that went i deleted one off my user account year ago hundred off spam mail keep sending to that account.... my solution do that situation is..... i redirect all email to that account to /dev/null. but even it automatically deleted the mail i think it doesnt resolve my problem
now my network is to busy to received others mail because of that annoying account