Although not specifically NetBSD,  there's a maillist for newbies:

>MaX, the list for Unix newbies using Linux, NetBSD, or other
>Unix-derived operating systems on Macintosh hardware.
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>  Subscription questions <mailto:postmaster@reformed.net>
>  FAQ <http://lowendmac.com/linux/max.shtml>
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If I remember right you can subscribe by just mailto:max-on@reformed.net

GL,
T@W