No Injection-Date: if Message-ID: present?
Thomas Hochstein
inn-workers at ml.th-h.de
Sun Sep 10 18:58:31 UTC 2017
Russ Allbery wrote:
> https://tools.ietf.org/html/rfc5537#page-17
Thanks for pointing me in the right direction!
> 11. If the proto-article already had an Injection-Date header field,
> it MUST NOT be modified or replaced. If the proto-article had
> both a Message-ID header field and a Date header field, an
> Injection-Date header field MUST NOT be added, since the proto-
> article may have been multiply injected by a posting agent that
> predates this standard.
I see. (I had to read up a bit on the meaning of Injection-Date. I
didn't know a posting agent was allowed - and in some cases - forced
to add that header.)
-thh
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