How to install Refinery CMS using Rails 4
问题 I previously never had a problem with Refinery. I was refreshing my knowledge by following along to the tutorial http://railscasts.com/episodes/332-refinery-cms-basics .Then when I created a new app with Refinery CMS, I got this error Bundler could not find compatible versions for gem "actionmailer": In Gemfile: refinerycms (~> 2.1.0) ruby depends on actionmailer (< 3.3, >= 3.1.3) ruby rails (= 4.0.0) ruby depends on actionmailer (4.0.0) But should not these things be there by default with