On Thu, Sep 23, 2010 at 07:26:59PM -0400, Wietse Venema wrote:

> More sensibly, it seems safe to skip the RESET_OWNER_ATTR() operation.
> That code is a remnant of a very early attempt to attribute bounces
> very accurately, and may be creating more problems than it solves.

I think this idea has been considered before. I (still) think this
makes sense. A more interesting question is what to do with:

        toplist-owner: foo
        toplist: midlist1, midlist2
        midlist1-owner: bar
        midlist1: a, b, c, d, e
        midlist2-owner: baz
        midlist2: x, y, z, w, t

If mail delivery to "x" fails for a message addressed to "toplist", should
the bounce notice go to "foo" or "baz". The latter potentially involvles
forking off lots of copies of the message, one for each sub-list, so
there is some incentive to leave the "owner" alone, if one is already set.

-- 
        Viktor.

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