[Mimedefang] Soliciting opinions on filtering based on bad MXrecords

[Stephen Smoogen]

On Thu, 2003-09-11 at 15:41, Michael Sims wrote:
> mimedefang-admin at lists.roaringpenguin.com wrote:
> > A lot of spam has MX
> > records of currently reserved IP addresses that dont route (1.1.1.1
> > shows up a lot).
> 
> Yeah, I don't believe my code snippet will catch '1.1.1.1'...  I'm just not
> enough of an IP expert to know all of the addresses that are non routable.
> 

>From my firewall scripts

##
## From http://www.cymru.com/Documents/bogon-bn-agg.txt
IANA_RFC_NET="10.0.0.0/8 127.0.0.0/8 169.254.0.0/16 172.16.0.0/12
192.0.2.0/24 192.168.0.0/16 240.0.0.0/5 248.0.0.0/5"
IANA_RESERVED_NET="0.0.0.0/255.255.0.0 1.0.0.0/8 2.0.0.0/8 5.0.0.0/8
7.0.0.0/8 23.0.0.0/8 27.0.0.0/8 31.0.0.0/8 36.0.0.0/7 39.0.0.0/8
41.0.0.0/8 42.0.0.0/8 49.0.0.0/8 50.0.0.0/8 58.0.0.0/7 70.0.0.0/7
72.0.0.0/5 83.0.0.0/8 84.0.0.0/6 88.0.0.0/5 96.0.0.0/4 112.0.0.0/5
120.0.0.0/6 124.0.0.0/7 126.0.0.0/8 173.0.0.0/8 174.0.0.0/7 176.0.0.0/5
184.0.0.0/6 189.0.0.0/8 190.0.0.0/8 197.0.0.0/8 198.18.0.0/15
223.0.0.0/8"

And thanks for clarifying.. I was thinking you were trying to do a
domain transfer of example.com (should look at code before opening
mouth.)
-- 
Stephen John Smoogen		smoogen at lanl.gov
Los Alamos National Labrador  CCN-5 Sched 5/40  PH: 4-0645 (note new #)
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