fixes #2326

app/models/dmail.rb

@@ -196,11 +196,12 @@ class Dmail < ActiveRecord::Base
   def auto_delete_if_filtered
     if owner_id != CurrentUser.user.id && to.dmail_filter.try(:filtered?, self)
       self.is_deleted = true
+      self.is_read = true
     end
   end
 
   def update_recipient
-    unless is_deleted
+    unless is_deleted?
       to.update_attribute(:has_mail, true)
     end
   end

test/unit/dmail_test.rb

@@ -29,7 +29,14 @@ class DmailTest < ActiveSupport::TestCase
 
       should "autodelete if it has a banned word" do
         @dmail.save
-        assert(@dmail.is_deleted)
+        assert_equal(true, @dmail.is_deleted?)
+        assert_equal(true, @dmail.is_read?)
+      end
+
+      should "not update the recipient's has_mail if filtered" do
+        @dmail.save
+        @recipient.reload
+        assert_equal(false, @recipient.has_mail?)
       end
 
       context "that is empty" do