cleanup email dao smtp send code

src/js/dao/email-dao.js

@@ -161,11 +161,16 @@ define(function(require) {
             }
 
             // public key found... encrypt and send
-            encrypt(email, receiverPubkey);
+            self.encryptForUser(email, receiverPubkey, callback);
         });
+    };
 
-        function encrypt(email, receiverPubkey) {
-            var ptItems = [email],
+    /**
+     * Encrypt an email asymmetrically for an exisiting user with their public key
+     */
+    EmailDAO.prototype.encryptForUser = function(email, receiverPubkey, callback) {
+        var self = this,
+            ptItems = [email],
             receiverPubkeys = [receiverPubkey],
             to, greeting, ct, i;
 
@@ -206,14 +211,14 @@ define(function(require) {
                 });
             }
 
-                send(email);
+            self.send(email, callback);
         });
-        }
+    };
+
+    EmailDAO.prototype.send = function(email, callback) {
+        var self = this;
 
-        function send(email) {
         self._smtpClient.send(email, callback);
-        }
-
     };
 
     /**