calrays

I have the same problem with an application moving from Rails 4.2.10 to 4.2.11.1 for security updates. https://github.com/rails/rails/commit/474b7392c69852e8932260ea370cd63cf1e4fcaa#diff-e79a60dc6b85309ae70a6ea8261eaf95L140 My generated mail tests that compare to a sample text file work...