On Wed, 29 Jul 2009, Kenneth Porter wrote:
> If I understand it correctly, there are two methods they use to identify a > spamming host: >... > 2) They look at how many open ports are on the sender. (Few ports indicates > a bot-controlled zombie spammer.) Ouch. I hope this approach only becomes popular for vanity domains. Our outbounds all have precisely zero inbound ports open to the Internet in general. Len _______________________________________________ NOTE: If there is a disclaimer or other legal boilerplate in the above message, it is NULL AND VOID. You may ignore it. Visit http://www.mimedefang.org and http://www.roaringpenguin.com MIMEDefang mailing list [email protected] http://lists.roaringpenguin.com/mailman/listinfo/mimedefang
