In article <[EMAIL PROTECTED]>, Justin Shore <[EMAIL PROTECTED]> wrote: >Now I'm going to get even more off-topic. It occurs to me that major >changes to a protocol such as SMTP getting auth should justify utilizing a >different tcp/ip port. Think about it like this. If authenticated forms >of SMTP used a different TCP/IP port we netadms could justify leaving that >port open on these same dynamically assigned netblocks in the theory that >they are only able to connect to other authenticated SMTP services. >Doesn't that seem logical?
That's not exactly a new idea. http://www.faqs.org/rfcs/rfc2476.html (december 1998). Mike.