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> Here's another way to look at the issue. Lets say that you knew > that a state/county/province in your own country had an inordinately low > signal/attack ratio. Would you ban that region? 1st, afaik, there are no IP block lists by "state/county/province in your own country". 2nd, it would not meet stated business criteria. client does business in the US .. all of it. not in CN-KR. in ~10 years, not a single email to/from CN-KR. any/all clients that HAVE been in/through CN-KR have communicated via legit providers in the US. problem solved for them. 3rd, entire IP block bans ARE in place for known, seriously offending blocks, due specifically to "inordinately low signal/attack ratio". > Can you ever be sure enough that you'll _never_ get a legitimate > mail from that region? NOTHING is ever for certain. especially managing business risk. > If you unconditionally blocked mail from .nl > and .br, you'd have respectively blocked 688 and 258 (out of 56,910) > posts from this list alone. hence, searchable mailing list archives are a 'good thing' ... -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.2 (Darwin) iEYEAREDAAYFAkN08soACgkQm/Q3NoilZ44nHQCfdwxSmqIcawavzy7NAVrveljf Ic0An2brSl9vAYiEtbRmKwQOXihdrSi2 =hoVD -----END PGP SIGNATURE-----
