[Mimedefang] "special use" IPv4 addresses to consider: RFC 3330

[Jeremy Mates]

* Network Guy <netguy at sound-networking.com>
> Aaaa, block ALL incoming unroutable IP addys at the router. You should
> not permit an IP from the 192.168.. 10... ( can't remember that other
> one just now ) and 127.0.0.1. I do know of an ISP in my area that does
> route 'local' IP's and permits customers to do so also. Geesh..and
> they have a /19

RFC 3330 - Special-Use IPv4 Addresses covers such RFC 1918 subnets along
with other special cases:

http://www.faqs.org/rfcs/rfc3330.html