At 18:51 17-11-2007, ned+ietf-smtp(_at_)mrochek(_dot_)com wrote:
Agreed. But it needs to be clear that this applies to autoforwarders. How
about adding "and SHOULD NOT add a non-null reverse path to such a message
I suggest the following change to Section 4.5.5 (Messages with a null
If a reverse-path is null, it SHOULD NOT be modified as that is likely
to cause a mail loop.
Implementors of automated email processors should ensure that
the various kinds of messages with a null reverse-path are handled
correctly, in particular such systems SHOULD NOT reply to messages
with a null reverse-path.