Adding functionality to restrict 'rcpt to' domains

recipes/default.rb

@@ -43,3 +43,8 @@ end
 if node['postfix']['use_virtual_aliases_domains']
   include_recipe 'postfix::virtual_aliases_domains'
 end
+
+if node['postfix']['use_relay_restirictions_maps']
+  include_recipe 'postfix::relay_restrictions'
+end
+

recipes/relay_restrictions.rb

@@ -0,0 +1,29 @@
+# encoding: utf-8
+# Copyright:: Copyright (c) 2012, Chef Software, Inc.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#    http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+include_recipe 'postfix::_common'
+
+execute 'update-postfix-relay-restrictions' do
+  command "postmap #{node['postfix']['relay_restrictions_db']}"
+  environment PATH: "#{ENV['PATH']}:/opt/omni/bin:/opt/omni/sbin" if platform_family?('omnios')
+  action :nothing
+end
+
+template node['postfix']['relay_restrictions_db'] do
+  source 'relay_restrictions.erb'
+  notifies :run, 'execute[update-postfix-relay-restrictions]'
+end
+