rails/rails — pull request #5089 by kennyj (2012-02-19 12:03:24+00:00)
Title: Fix GH #4946. If we don't call mail method, the method is called automatically.

If we don't call mail method, the method is called automatically.
Or, we must always call mail method.

Please see https://github.com/rails/rails/issues/4946

Closes #4946