Re: [Evolution] Quick question on Filter on Subject...

[guenther <guenther rudersport de>]

On Sun, 2004-02-08 at 17:38, David Woodhouse wrote:
> On Tue, 2004-02-03 at 00:23 +0100, guenther wrote:
> > You should not filter on the subject unless there is nothing else to
> > filter for. As you are filtering mailing lists, Evolution offers a
> > convenient and more robust way for filtering: The special List-*
> > headers.
>  <...>
> > This method will not trigger on false mails.
>
> Actually it will. Using the List-Id header will give you false positives
> in a situation which happens to me relatively often -- if I'm not
> reading a certain mailing list, a colleague _knows_ this, sees something
> on the list and redirects it to me personally. If I filtered on the
> List-Id header this second copy would end up in the list folder instead
> of my inbox.

Gah. Sure, when redirecting mails, the other person acts like he does
not exist and the mail gets directly to you. After all, there should not
be a difference, if a human or a .forward file redirects mail... ;)


> There's also false negatives occasionally but they're rarer. 
>
> Using the Sender header is far more reliable. Every message from the
> list has 'Sender: evolution-admin lists ximian com'; I filter every list
> on the Sender instead of anything else.

Well, agreed. Any of this filters can fail in some weird situations. I
should not have claimed no failures at all.

...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; }}}