diff --git a/lib/exception_notifier/email_notifier.rb b/lib/exception_notifier/email_notifier.rb
index a9672bce..f89fafce 100644
--- a/lib/exception_notifier/email_notifier.rb
+++ b/lib/exception_notifier/email_notifier.rb
@@ -76,7 +76,7 @@ def background_exception_notification(exception, options = {}, default_options =
           def compose_subject
             subject = @options[:email_prefix].to_s.dup
             subject << "(#{@options[:accumulated_errors_count]} times)" if @options[:accumulated_errors_count].to_i > 1
-            subject << "#{@kontroller.controller_name} #{@kontroller.action_name}" if include_controller?
+            subject << "#{@kontroller.controller_name}##{@kontroller.action_name}" if include_controller?
             subject << " (#{@exception.class})"
             subject << " #{@exception.message.inspect}" if @options[:verbose_subject]
             subject = EmailNotifier.normalize_digits(subject) if @options[:normalize_subject]
diff --git a/lib/exception_notifier/modules/formatter.rb b/lib/exception_notifier/modules/formatter.rb
index ca358349..b4070421 100644
--- a/lib/exception_notifier/modules/formatter.rb
+++ b/lib/exception_notifier/modules/formatter.rb
@@ -111,7 +111,12 @@ def controller_and_action
     def rails_app_name
       return unless defined?(::Rails) && ::Rails.respond_to?(:application)
 
-      Rails.application.class.parent_name.underscore
+      
+      if Rails::VERSION::MAJOR >= 6
+        Rails.application.class.module_parent_name.underscore
+      else
+        Rails.application.class.parent_name.underscore
+      end
     end
 
     def controller
diff --git a/lib/exception_notifier/sns_notifier.rb b/lib/exception_notifier/sns_notifier.rb
index 709cfde7..2da2f5b3 100644
--- a/lib/exception_notifier/sns_notifier.rb
+++ b/lib/exception_notifier/sns_notifier.rb
@@ -45,10 +45,12 @@ def build_message(exception, options)
 
       if options[:env].nil?
         text = "#{exception_name} occured in background\n"
+        data = options[:data] || {}
       else
         env = options[:env]
 
         kontroller = env['action_controller.instance']
+        data = (env['exception_notifier.exception_data'] || {}).merge(options[:data] || {})
         request = "#{env['REQUEST_METHOD']} <#{env['REQUEST_URI']}>"
 
         text = "#{exception_name} occurred while #{request}"
@@ -57,6 +59,7 @@ def build_message(exception, options)
 
       text += "Exception: #{exception.message}\n"
       text += "Hostname: #{Socket.gethostname}\n"
+      text += "Data: #{data}\n"
 
       return unless exception.backtrace
 
diff --git a/test/exception_notifier/email_notifier_test.rb b/test/exception_notifier/email_notifier_test.rb
index ccc732c5..ab6791e5 100644
--- a/test/exception_notifier/email_notifier_test.rb
+++ b/test/exception_notifier/email_notifier_test.rb
@@ -248,7 +248,7 @@ def index; end
   test 'sends mail with correct content' do
     assert_equal %("Dummy Notifier" <dummynotifier@example.com>), @mail[:from].value
     assert_equal %w[dummyexceptions@example.com], @mail.to
-    assert_equal '[Dummy ERROR] home index (ZeroDivisionError) "divided by 0"', @mail.subject
+    assert_equal '[Dummy ERROR] home#index (ZeroDivisionError) "divided by 0"', @mail.subject
     assert_equal 'foobar', @mail['X-Custom-Header'].value
     assert_equal 'text/plain; charset=UTF-8', @mail.content_type
     assert_equal [], @mail.attachments
diff --git a/test/exception_notifier/sns_notifier_test.rb b/test/exception_notifier/sns_notifier_test.rb
index ce6ad0bc..cc7767f0 100644
--- a/test/exception_notifier/sns_notifier_test.rb
+++ b/test/exception_notifier/sns_notifier_test.rb
@@ -66,6 +66,7 @@ def setup
       message: "3 MyException occured in background\n" \
              "Exception: undefined method 'method=' for Empty\n" \
              "Hostname: example.com\n" \
+             "Data: {}\n" \
              "Backtrace:\n#{fake_backtrace.join("\n")}\n",
       subject: '[App Exception] - 3 MyException occurred'
     )
@@ -85,6 +86,7 @@ def setup
              "was processed by examples#index\n" \
              "Exception: undefined method 'method=' for Empty\n" \
              "Hostname: example.com\n" \
+             "Data: {}\n" \
              "Backtrace:\n#{fake_backtrace.join("\n")}\n",
       subject: '[App Exception] - A MyException occurred'
     )
@@ -98,6 +100,60 @@ def setup
                       })
   end
 
+  test 'should put data from env["exception_notifier.exception_data"] into text' do
+    controller = mock('controller')
+    controller.stubs(:action_name).returns('index')
+    controller.stubs(:controller_name).returns('examples')
+
+    Aws::SNS::Client.any_instance.expects(:publish).with(
+      topic_arn: 'topicARN',
+      message: 'A MyException occurred while GET </examples> ' \
+             "was processed by examples#index\n" \
+             "Exception: undefined method 'method=' for Empty\n" \
+             "Hostname: example.com\n" \
+             "Data: {:current_user=>12}\n" \
+             "Backtrace:\n#{fake_backtrace.join("\n")}\n",
+      subject: '[App Exception] - A MyException occurred'
+    )
+
+    sns_notifier = ExceptionNotifier::SnsNotifier.new(@options)
+    sns_notifier.call(@exception,
+                      env: {
+                        'REQUEST_METHOD' => 'GET',
+                        'REQUEST_URI' => '/examples',
+                        'action_controller.instance' => controller,
+                        'exception_notifier.exception_data' => {current_user: 12}
+                      })
+  end
+  test 'should put optional data into text' do
+    controller = mock('controller')
+    controller.stubs(:action_name).returns('index')
+    controller.stubs(:controller_name).returns('examples')
+
+    Aws::SNS::Client.any_instance.expects(:publish).with(
+      topic_arn: 'topicARN',
+      message: 'A MyException occurred while GET </examples> ' \
+             "was processed by examples#index\n" \
+             "Exception: undefined method 'method=' for Empty\n" \
+             "Hostname: example.com\n" \
+             "Data: {:current_user=>12}\n" \
+             "Backtrace:\n#{fake_backtrace.join("\n")}\n",
+      subject: '[App Exception] - A MyException occurred'
+    )
+
+    sns_notifier = ExceptionNotifier::SnsNotifier.new(@options)
+    sns_notifier.call(@exception,
+                      env: {
+                        'REQUEST_METHOD' => 'GET',
+                        'REQUEST_URI' => '/examples',
+                        'action_controller.instance' => controller,
+                      },
+                      data: {
+                        current_user: 12
+                      }
+                     )
+  end
+
   private
 
   def fake_exception