> 1. block port 25 to external IP addresses for all of your customers > except those with what draft-klensin-ip-service-terms-01.txt calls > Full Internet Connectivity.
... and receive a flood of complaints because 10% of your users are using a mail service provided by someone else than you. > 2. Do not sell Full Internet Connectivity to anyone running Microsoft > software exposed to the Internet. Regardless of whether Microsoft's software can be secured (it can), this is a big no-op as a PC behind a "home firewall" is still at risk from e-mail viruses and questionable web downloads. > 3. The effects of #1 and #2 include forcing all mail from the usual > suspects through your own mail systems so that you can do as the > credit card companies do. Track SMTP envelope Mail_To values or > other characteristics for each customer. When you see a change, > contact the customer by voice to check. So the solution to Spam has to be a massive surrender of privacy! I am afraid that you are falling in the very trap that you often denounce, present you personal definitive solution to Spam... -- Christian Huitema _______________________________________________ Ietf mailing list [EMAIL PROTECTED] https://www1.ietf.org/mailman/listinfo/ietf
