Eric S. Raymond wrote:
However, such topic might be very useful to pursue anyway. Is anyway interested in this topic?Mark E. Mallett <mem@mv.mv.com>:While I am here: is there a current practice of any sort for a header that identifies the end-user filter program that the message has passed through? e.g. "X-Filtered-By: spamanoid version 3.2" ? I seem to recall seeing one once, but haven't been able to locate it.
I don't know of any standard practice. I had planned to write up such a proposal as part of this draft, but as that is not responsive to the
CAN-SPAM request it is really a separate topic.