Pass rejection message along in rejection mail if present
Start making better-written tests for the email job
Refactor out handle_failure method in PollMailbox
Attempt at checking throws....
Add more tests, undo some changes to fixture files

Was causing Email::Reciever tests to fail
Revert bad diff
Merge pull request #2614 from riking/email-tests

Email tests, and include posting error reason
Merge branch 'master' into dev-base