language: ruby
sudo: false
before_install:
  - gem install bundler -v '~> 1.11'
rvm:
  - 1.9.3
  - 2.0.0
  - 2.1.8
  - 2.2.4
  - 2.3.0
gemfile:
  - gemfiles/rails_4.0.gemfile
  - gemfiles/rails_4.1.gemfile
  - gemfiles/rails_4.2.gemfile

language: ruby
sudo: false
before_install:
  - gem install bundler -v '~> 1.11'
rvm:
  - 2.0.0
  - 2.1.8
  - 2.2.4
  - 2.3.0
gemfile:
  - gemfiles/rails_4.0.gemfile
  - gemfiles/rails_4.1.gemfile
  - gemfiles/rails_4.2.gemfile

Stop testing against Ruby 1.9
Stop testing against Ruby 1.9

mail 2.6.4 gem relaxed mime-types dependency, allowing the use of mime-types >= 3.0.

mime-types >= 3.0 requires mime-types-data gem, which requires Ruby 2.0.