sendmail + dbmail in Debian Linux

Hi! I am newbie on dbmail, after few hours test i have to give up and ask
some experts here about dbmail and sendmail...

i did as the manual said (found one on internet), used dbmail.m4 and added

FEATURE(mailertable, `hash -o /etc/mail/mailertable')
MAILER(dbmail)dnl

to sendmail.mc, rebuilded sendmail.cf, i can see dbmail macro in
sendmail.cf bottom

also edited mailertable and make hash etc..

then remove the the host from local-host-names
restart the sendmail...


By sent test mails I kept get error message:
reject=550 5.7.1 <test@xxxxxxxxxx>... Relaying denied. Proper
authentication required.

Coz that foobar.com isnt in local-host-names. (if it is in there, then i
got "User Known" as error message.)


Any ideas? Thanks!

   wuming@xxxxxxxx <mail created  1:48 26/02>