ging/mailboxer — pull request #177 by rposborne (2013-08-09 13:13:50+00:00)
Title: Adding Appraisal Gem Support to test multiple Rails versions, initially ...

Redoing this PR, with a clean commit history

Initially checking for regressions on 3.1 , 3.2 and 4.0 on travis. 3.0 fails hard. But I didn't dig in very much. But is technically a supported version so I just commented out configs for 3.0