On Mon, 25 Jan 2016, @lbutlr wrote:

> On Jan 25, 2016, at 4:57 AM, Jozsef Kadlecsik <kad...@blackhole.kfki.hu> 
> wrote:
> > Is this a normal practice? Why does google groups strip existing DKIM 
> > signatures?
> 
> YOU are not the sender of the mailing list message, google groups is.

From: address was preserved in the message. Googlegroups should have 
either munged the From: address and strip original DKIM signature, or 
keep both.

Best regards,
Jozsef
-
E-mail  : kad...@blackhole.kfki.hu, kadlecsik.joz...@wigner.mta.hu
PGP key : http://www.kfki.hu/~kadlec/pgp_public_key.txt
Address : Wigner Research Centre for Physics, Hungarian Academy of Sciences
          H-1525 Budapest 114, POB. 49, Hungary

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