On Fri, Dec 14, 2007 at 05:13:58PM +0000, Tony Finch wrote:
To stress: The first and second are very similar, but they are not the same
and I think the differences are important.
In which case we should continue to use the term "alias" for type 1, and
we should continue to discourage type 2a lists that don't change the
return path.
Indeed. owner-ietf-smtp(_at_)mail(_dot_)imc(_dot_)org can automatically
unsubscribe
me should my email address become unreachable. Someone posting to
this list cannot, and thus has no use for bounces, out of office
messages, delivery notifications and what more.
Subscribers to a list shouldn't need to know who else is on the list.
I post to the list, and as long as this part is transmitted OK I'm
fine. Whatever happens thereafter is the list's problem.
I even can agree with adding a "Sender:" header, to overcome MSes
problem with their SenderID use of SPF records.
Alex