Is there any wa to completely turn off this message on a moderated list?

>Subject: Message ("Your message dated Thu, 17 Jul 1997 17:57:59...")

>Your  message dated  Thu, 17  Jul 1997  17:57:59 -0400  (EDT) with  subject
>"blah blah blah" has been submitted to the moderators of the WE-ARE-LOST
>list.

I have already removed the POST_? template on the mailtpl file for that
list, but posters still receive that short message. Setting them noack has
no effect ;-(