Is it possible to stop the mailing list from striping DKIMs

From: Simon Spero <sesuncedu_at_nyob> Date: Thu, 29 May 2014 00:01:31 -0400 To: CODE4LIB_at_LISTSERV.ND.EDU

Mail from gmail accounts is flagged by gmail  as possible phishing, because
the
DKIM header has been stripped.  How do we know what's OCLC approved if
gmail insists on waning of possible royt impersonators?

This header looks blame-worthy.

X-DKIM: OpenDKIM Filter v2.1.3 mail-mx3-prod-v.cc.nd.edu s4T2573P017562

V/R,

Simon  Spero
 (I think...At least an Identity Crisis is better than a Civil War)