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Re: Abwesenheit

On Mon, 19 Sep 2005, Florian Weimer wrote:

> > Is there a reason not to simply read the "Precedence: list" header
> > and simply not respond at all ?
> "Precedence: list" is non-standard.  Technically speaking,
> RFC-compliant software should not use it. 8-/

That's not quite correct, software MAY use it.

RFC3834: Recommendations for Automatic Responses to Electronic Mail:

   -  A responder MAY refuse to send a response to a subject message
      which contains any header or content which makes it appear to the
      responder that a response would not be appropriate.  For instance,
      if the subject message contained a Precedence header field
      [I4.RFC 2076] with a value of "list" the responder might guess that
      the traffic had arrived from a mailing list, and would not respond
      if the response were only intended for personal messages.  For
      similar reasons, a responder MAY ignore any subject message with a
      List-* field [I5.RFC 2369].  (Because Precedence is not a standard
      header field, and its use and interpretation vary widely in the
      wild, no particular responder behavior in the presence of
      Precedence is recommended by this specification.)

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