On Wed, 23 May 2001, Good, Donald wrote:
>
> I believe that these are destination configuration problems, but what do
> owners/site managers do about them?  And what is the cause of the second
> (cc:Mail) problem?

I think both errors are either the result of a misconfiguration at the
destination host or network. I cannot speak for anyone else, but I delete
such subscriptions or I let Listserv's auto-delete feature handle that.