Lawrence Greenfield wrote:
Some people actually want to know if their auto-response message got
bounced. (I'm not sure what they do with that information, but I've
heard the request.)
They add them to blacklists: http://www.rfc-ignorant.org/policy-dsn.html
--
Eric A. Hall http://www.ehsco.com/
Internet Core Protocols http://www.oreilly.com/catalog/coreprot/