diff --git a/manifests/extension/mailparse.pp b/manifests/extension/mailparse.pp
new file mode 100644
index 0000000..5435cdb
--- /dev/null
+++ b/manifests/extension/mailparse.pp
@@ -0,0 +1,51 @@
+# Installs a php extension for a specific version of php.
+#
+# Usage:
+#
+#     php::extension::mailparse { 'mailparse for 5.4.10':
+#       php     => '5.4.10',
+#       version => '1.0.6'
+#     }
+#
+define php::extension::mailparse(
+  $php,
+  $version = '2.1.6'
+) {
+  include boxen::config
+
+  require php::config
+  
+  # Ensure that the specified version of PHP is installed.
+  php_require($php)
+
+
+  $extension = 'mailparse'
+  $package_name = "mailparse-${version}"
+  $url = "http://pecl.php.net/get/mailparse-${version}.tgz"
+
+  # Final module install path
+  $module_path = "${php::config::root}/versions/${php}/modules/${extension}.so"
+
+  # Additional options
+  $configure_params = ''
+
+  php_extension { $name:
+    extension        => $extension,
+    version          => $version,
+    package_name     => $package_name,
+    package_url      => $url,
+    homebrew_path    => $boxen::config::homebrewdir,
+    phpenv_root      => $php::config::root,
+    php_version      => $php,
+    cache_dir        => $php::config::extensioncachedir,
+    configure_params => $configure_params,
+  }
+
+  # Add config file once extension is installed
+
+  file { "${php::config::configdir}/${php}/conf.d/${extension}.ini":
+    content => template('php/extensions/generic.ini.erb'),
+    require => Php_extension[$name],
+  }
+
+}
diff --git a/spec/defines/extensions/php_extension_mailparse_spec.rb b/spec/defines/extensions/php_extension_mailparse_spec.rb
new file mode 100644
index 0000000..6d11522
--- /dev/null
+++ b/spec/defines/extensions/php_extension_mailparse_spec.rb
@@ -0,0 +1,35 @@
+require 'spec_helper'
+
+describe "php::extension::mailparse" do
+  let(:facts) { default_test_facts }
+  let(:title) { "mailparse for 5.4.17" }
+  let(:params) do
+    {
+      :php     => "5.4.17",
+      :version => "2.1.6"
+    }
+  end
+
+  it do
+    should contain_class("boxen::config")
+    should contain_class("php::config")
+    should contain_php__version("5.4.17")
+
+    should contain_php_extension("mailparse for 5.4.17").with({
+      :extension        => "mailparse",
+      :version          => "2.1.6",
+      :package_name     => "mailparse-2.1.6",
+      :package_url      => "http://pecl.php.net/get/mailparse-2.1.6.tgz",
+      :homebrew_path    => "/test/boxen/homebrew",
+      :phpenv_root      => "/test/boxen/phpenv",
+      :php_version      => "5.4.17",
+      :cache_dir        => "/test/boxen/data/php/cache/extensions",
+      :configure_params => '',
+    })
+
+    should contain_file("/test/boxen/config/php/5.4.17/conf.d/mailparse.ini").with({
+      :content => File.read("spec/fixtures/mailparse.ini"),
+      :require => "Php_extension[mailparse for 5.4.17]"
+    })
+  end
+end
diff --git a/spec/fixtures/mailparse.ini b/spec/fixtures/mailparse.ini
new file mode 100644
index 0000000..98b983e
--- /dev/null
+++ b/spec/fixtures/mailparse.ini
@@ -0,0 +1 @@
+extension=/test/boxen/phpenv/versions/5.4.17/modules/mailparse.so