Re: rfc2822bis -- adding clarifying Sender: text

"Charles Lindsey" <[email protected]>
Newsgroups gmane.ietf.rfc822
Message-ID <[email protected]>
In <[email protected]> "Frank Ellermann" <[email protected]> writes:

>IMO "let's replace Sender" schemes are broken
>by design.  If you know a good place to note
>that an existing Sender MUST NOT be modified
>please do.

But there are situations where an existing Sender currently IS modified,
that being regarded as good practice.

The best example is where the message is being forwarded by a mailing list
expander (or, equivalently, it is being gatewayed into Netnews). Those
cases are customarily justified on the grounds that it is a brand new
transmission (even though the original Message-ID is retained).


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