sendmail question - virtusertable

[pete <ninjaz@peter.syspac.com>]

I have the following setup in sendmail.mc, yet, sendmail is ignoring
/etc/virtusertable file.  I am using tabs, not spaces in
/etc/virtusertable, and have made sure to restart sendmail to register
changes.  (used the sendmailconfig program to convert the .mc to .cf). 
Any pointers would be much appreciated.  :) 

sendmail.mc:
divert(0)
VERSIONID(`@(#)sendmail.mc      8.7 (Linux) 3/5/96')
OSTYPE(debian)dnl
FEATURE(always_add_domain)dnl
FEATURE(use_cw_file)dnl
FEATURE(use_ct_file)dnl
FEATURE(redirect)dnl
FEATURE(nouucp)dnl
FEATURE(virtusertable)dnl
MAILER(local)dnl
MAILER(smtp)dnl
Cwwebexpress.com netlisting.com
MASQUERADE_AS(webexpress.com)dnl

virtusertable:
@netlisting.com	ninjaz


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