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From: Kai.Grossjohann@CS.Uni-Dortmund.DE (Kai =?iso-8859-1?q?Gro=DFjohann?=)
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Subject: Re: Sender header?
Date: 25 May 2001 20:01:43 +0200
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On 25 May 2001, Paul Jarc wrote:

> I think user-login-name@system-name would work best for news, but
> nothing specific is required.  I think user-mail-address would work
> too, though not as well, based on the explanatory text in 2.2.2.
> It's all pretty vague.

Right.  Hm.  Son has this:

               NOTE: The intent is that the Sender header have  a
               fairly  high probability of identifying the person
               who really posted the  article.   The  ability  to
               specify  a  From  header naming someone other than
               the poster is useful but can be abused.

It also talks about verifying the address, but given that
login-name@system-name may not be the right address.  Son of RFC 1036
_very_ clearly says, however, that the contents of the Sender header
should be a valid mailing address.

So, I'm left with the feeling that Son of RFC 1036 and RFC 2822
specify pretty much the same thing about the Sender header.  However,
IANAL.

kai
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