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I currently deny inbound port 25/SMTP for sources from APNIC, RIPE, AfriNIC & LACNIC; and permit ARIN source IPs on 25/smtp. This works really well and has reduced +99% of UCE/SPAM.Not that I don't appreciate the sincere offers, but I don't currently...
Federico, thanks for the quick reply.Based on searching for Policy NAT, I looked at this http://www.cisco.com/en/US/docs/security/pix/pix63/configuration/guide/bafwcfg.html#wp1113601, but it did not appear to specifically reference my need.Can you gi...
