help user known

[James Han <jaymz @ mail . kssystem . co . jp>]

I have just installed majordomo 1.94.4.
I and running on a redhat 5.1 linux.
perl version 5
using sendmail that came with the redhat distribution.

when i try to send email to Majordomo@my.host
                                         majordomo@my.host

i get can't send user unknown. Why?

Also in my /etc/passwd    i only have a majordom user but not a
majordomo user or a Majordomo user.

Can anyone help me out please.