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Date: Fri, 17 Oct 1997 13:10:47 -0700 (PDT)
From: jadeite <jadeite@light.pomona.edu>
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Hi,
	Our mailing list works when mail is sent to it from localhost.  However, when mail is sent from a foreign host, sendmail says that "user insoc unknown" (insoc is the name of the list).  What does this mean?