diff --git a/.env.default b/.env.default
index 88aa226..b63b762 100644
--- a/.env.default
+++ b/.env.default
@@ -18,5 +18,4 @@ MONGO_URL='mongodb://localhost'
 GITHUB_URL='https://github.com'
 GITHUB_AUTHENTICATION=true
 GITHUB_ACCESS_SCOPE='[repo]'
-EMAIL_DELIVERY_METHOD=sendmail
 DEVISE_MODULES='[database_authenticatable,recoverable,rememberable,trackable,validatable,omniauthable]'
diff --git a/docs/configuration.md b/docs/configuration.md
index 6257063..3815849 100644
--- a/docs/configuration.md
+++ b/docs/configuration.md
@@ -75,7 +75,6 @@ In order of precedence Errbit uses:
 <dd>defaults to [repo]
 <dt>EMAIL_DELIVERY_METHOD
 <dd>:smtp or :sendmail, depending on how you want Errbit to send email
-<dd>defaults to :sendmail
 <dt>SMTP_SERVER
 <dd>Server address for outgoing SMTP messages
 <dt>SMTP_PORT
diff --git a/spec/lib/configurator_spec.rb b/spec/lib/configurator_spec.rb
index 33d6b4f..74a4ce4 100644
--- a/spec/lib/configurator_spec.rb
+++ b/spec/lib/configurator_spec.rb
@@ -34,4 +34,28 @@ describe Configurator do
     })
     expect(result.one).to eq('zoom')
   end
+
+  it 'extracts symbol values' do
+    allow(ENV).to receive(:[]).with('MYSYMBOL').and_return(':asymbol')
+    result = Configurator.run({ mysymbol: ['MYSYMBOL'] })
+    expect(result.mysymbol).to be(:asymbol)
+  end
+
+  it 'extracts array values' do
+    allow(ENV).to receive(:[]).with('MYARRAY').and_return('[one,two,three]')
+    result = Configurator.run({ myarray: ['MYARRAY'] })
+    expect(result.myarray).to eq(['one', 'two', 'three'])
+  end
+
+  it 'extracts booleans' do
+    allow(ENV).to receive(:[]).with('MYBOOLEAN').and_return('true')
+    result = Configurator.run({ myboolean: ['MYBOOLEAN'] })
+    expect(result.myboolean).to be(true)
+  end
+
+  it 'extracts numbers' do
+    allow(ENV).to receive(:[]).with('MYNUMBER').and_return('0')
+    result = Configurator.run({ mynumber: ['MYNUMBER'] })
+    expect(result.mynumber).to be(0)
+  end
 end
--
libgit2 0.21.2