[Mailman-Users] CC pruning: does it work?
Stephen J. Turnbull
stephen at xemacs.org
Sat Mar 21 05:35:52 CET 2015
Mark Sapiro writes:
> There is one case with Mailman lists where [to vs. cc] matters, at
> least in MM 2.1, but I think MM 3 too.
> If a list member has 'avoid dups' set and that member is a Cc: addressee
> of a post, that member will not receive the post from the list AND that
> member's address will be removed from the Cc: list of the post delivered
> to the other list members.
> The removal is to prevent Cc: lists from growing too large in threads
> with many participants.
Does this actually work? In practice, I get the feeling that a large
minority at least unsets "nodupes". XEmacs lists default to nodupes,
but about 1/3 of users have them unset, and a quick eyeball suggests
that over 95% of the ones with nodupes set have never posted or been
cc'd on the list.
I would say that the effect that such members get many fewer automatic
CCs from reply-all would be the main reason for the removal. Even if
it doesn't work this is the right thing to do.
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