On Sun, 2011-03-06 at 17:52 -0500, Alex wrote:
> > In-Reply-To and References headers. Set when replying.
> >
> > guenther -- who has given up hoping long ago, that folks running mail
> > servers should understand mail headers
>
> I'm not sure if I should quit while I'm still behind, or if I should
> add that I do understand that mail header; I knew those headers would
> be set, but I guess I didn't understand any previous references
> containing that header would still associate this email with that
> reference.
Every email has a unique-ish Message-Id. Proper MUAs, when replying,
will set the In-Reply-To header to the just replied-to message's
Message-Id, and likewise add it to the list in the References header.
Proper MUAs will use these headers to create a tree representation of
the whole thread, when enabling the "Thread View" feature.
Setting these threading headers happens when replying. Removing the
quoted text does not affect this, neither does using a new Subject. (You
didn't try this, but some folks seem to believe it would magically make
it a new mail.)
That's pretty much everything to understand, here. Probably not worth to
quit over it. :)
guenther
--
char *t="\10pse\0r\0dtu\0.@ghno\x4e\xc8\x79\xf4\xab\x51\x8a\x10\xf4\xf4\xc4";
main(){ char h,m=h=*t++,*x=t+2*h,c,i,l=*x,s=0; for (i=0;i<l;i++){ i%8? c<<=1:
(c=*++x); c&128 && (s+=h); if (!(h>>=1)||!t[s+h]){ putchar(t[s]);h=m;s=0; }}}
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