🚀 go-pugleaf

In article <885046994snz@dsl.co.uk>, Brian {Hamilton Kelly}
<bhk@dsl.co.uk> writes

>Hmm; that second "From " ought not to have been included in the forwarded
>message AT ALL; if the forwarding mechanism merely prefixes Resent-From
>type headers, then it has a DUTY to ensure that the remainder of the
>headers are RFC-822 conformant: a line starting "From " is not, and
>should either have been discarded, 

agree 100% up to here!

>or rewritten as Return-Path in RFC-822
>syntax.

no! this would be totally wrong - you should NOT have Return-Path
headers on the wire in SMTP messages [ but you should in POP3 :) ]

basically the forwarder has to undo the "final delivery" before sending
the message onward. The old "From " should end up in the SMTP envelope
if anywhere at all.

-- 
richard                      richard.clayton    @    T U R N P I K E .com
                                                     tel: +44 1306 732300
"Assembly of Japanese bicycle require great peace of mind" quoted in ZAMM