Chris Haynes wrote:
Therefore, Sender-ID _requires_ MTAs of previous good
repute to generate and send Bounce messages which:
Sorry, but I don't understand this objection. An MTA is
only responsible for sending a non-delivery notification
after it has accepted responsibility for relaying the message.
What is the real-world situation in which an MTA would be
accepting a message for relaying when that message will be
unable to pass a Sender-ID test at the next hop?
Redwood City, California