Keith Moore wrote:
you're missing the point. I might send mail from *anywhere*, from
any host or ISP I happen to be using at the moment.
So setup cs.utk.edu with a dynamic DNS agent that accepts MS updates for
wherever you happen to be. If this is too much data, setup a mail domain
for moore.cs.utk.edu and let the rest of us get on with filtering the
mail. I mean, for 99% of the mail domains, there will be little or no
extra effort. The remaining 1% of you can bend a little, maybe?
also for spam filtering/prevention/remediation it's not terribly
useful to authenticate the sender's email address. what you really
want is to
this sentence drops off in mid-stream
--
Eric A. Hall http://www.ehsco.com/
Internet Core Protocols http://www.oreilly.com/catalog/coreprot/