Page 28 - Cyber Defense eMagazine - October 2017
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some security knowing that the email did originate from the listed domain and that it
               has not been modified.  Signatures are set to expire to avoid the attack vector of reusing
               a signed email, so signatures are set to expire.








































































               Figure 3: Screenshot of Inky’s Phish Fence Warning Message


                    28   Cyber Defense eMagazine – October 2017 Edition
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