diff --git a/admin/app/admin/jam_ruby_users.rb b/admin/app/admin/jam_ruby_users.rb
index 0fe3c29d9..61a1d3db7 100644
--- a/admin/app/admin/jam_ruby_users.rb
+++ b/admin/app/admin/jam_ruby_users.rb
@@ -32,6 +32,7 @@ ActiveAdmin.register JamRuby::User, :as => 'Users' do
       row :birth_date
       row :gender
       row :email_confirmed
+      row :remember_token
       row :image do user.photo_url ? image_tag(user.photo_url) : ''  end
     end
     active_admin_comments
diff --git a/ruby/lib/jam_ruby/models/jam_track_right.rb b/ruby/lib/jam_ruby/models/jam_track_right.rb
index b59fdcee6..7e5a491d8 100644
--- a/ruby/lib/jam_ruby/models/jam_track_right.rb
+++ b/ruby/lib/jam_ruby/models/jam_track_right.rb
@@ -255,7 +255,7 @@ module JamRuby
 
         if match && match.user != current_user
           AdminMailer.alerts(subject: "'All' fingerprint collision by #{current_user.name}",
-                             body: "MachineFingerprint #{match.inspect}\n\nCurrent User: #{current_user.admin_url}")
+                             body: "MachineFingerprint #{match.inspect}\n\nCurrent User: #{current_user.admin_url}").deliver
 
           # try to record the other fingerprint
           MachineFingerprint.create(running_fingerprint, current_user, MachineFingerprint::TAKEN_ON_FRAUD_CONFLICT, MachineFingerprint::PRINT_TYPE_ACTIVE, remote_ip, self)
@@ -266,7 +266,7 @@ module JamRuby
 
         if match && match.user != current_user
           AdminMailer.alerts(subject: "'Running' fingerprint collision by #{current_user.name}",
-                             body: "MachineFingerprint #{match.inspect}\n\nCurrent User: #{current_user.admin_url}")
+                             body: "MachineFingerprint #{match.inspect}\n\nCurrent User: #{current_user.admin_url}").deliver
           # try to record the other fingerprint
           MachineFingerprint.create(all_fingerprint, current_user, MachineFingerprint::TAKEN_ON_FRAUD_CONFLICT, MachineFingerprint::PRINT_TYPE_ALL, remote_ip, self)
           return "other user has 'running' fingerprint"
diff --git a/web/config/environments/development.rb b/web/config/environments/development.rb
index 52ebbcd08..6567e404e 100644
--- a/web/config/environments/development.rb
+++ b/web/config/environments/development.rb
@@ -95,4 +95,5 @@ SampleApp::Application.configure do
   config.video_available= ENV['VIDEO_AVAILABILITY'] || "none"
   config.email_generic_from      = 'nobody-dev@jamkazam.com'
   config.email_alerts_alias         = ENV['ALERT_EMAIL'] || 'alerts-dev@jamkazam.com'
+  config.guard_against_fraud = true
 end