List metadata tags (was Re: Auto Increment)

Tom Lane writes:

> At one time Marc was arranging for the list bot to append automatic
> tags to all postings.  I'd be in favor of an automatic tag that read
> something like
>
>         list administrivia: majordomo@hub.org
>         Postgres FAQs: http://...
>
> Suggestions anyone?  (Keep in mind that brevity is the soul of wit
> here...)

RFC 2369  <http://www.faqs.org/rfcs/rfc2369.html>

This essentially says that you add headers like this to every mail:

List-Help: <mailto:autoconf-request@gnu.org?subject=help>
List-Post: <mailto:autoconf@gnu.org>
List-Subscribe: <http://mail.gnu.org/mailman/listinfo/autoconf>,
        <mailto:autoconf-request@gnu.org?subject=subscribe>
List-Id: Discussion list for the autoconf build system <autoconf.gnu.org>
List-Unsubscribe: <http://mail.gnu.org/mailman/listinfo/autoconf>,
        <mailto:autoconf-request@gnu.org?subject=unsubscribe>
List-Archive: <http://mail.gnu.org/pipermail/autoconf/>

(There's isn't anything for FAQ, but there could be a link on the archive
page maybe.)

If a mail with these headers shows up in my mail client I get a link "This
message contains email list management information." that I can click on
and which in turn explains to me what an email list is and then allows me
to click on the URLs above.  Very nice.

--
Peter Eisentraut      peter_e@gmx.net       http://yi.org/peter-e/