Add email filtering to spam filtering

data/spamRules.php

@@ -198,6 +198,14 @@ $rules['ua'][] = function($spam) {
     }
 };
 
+$rules['email'][] = function($spam) {
+  if (strpos($spam, 'abqenvironmentalstory.org') !== false
+      || strpos($spam, 'aptel.org') !== false
+      || strpos($spam, 'fluidforce.net') !== false) {
+    return true;
+  }
+};
+
 $rules['url'][] = function($spam) {
     if ($spam == 'http://www1.unl.edu/comments/'
         || $spam == 'http://www1.unl.edu/comments/thanks/'

src/UNL/WDN/Comment.php

@@ -80,6 +80,10 @@ class UNL_WDN_Comment extends UNL_WDN_Comment_Record
             return false;
         }
 
+        if ($detector->isSpam($this->email, 'email')) {
+            return false;
+        }
+
         if ($detector->isSpam($this->page_address, 'url')) {
             return false;
         }