Allow multilple delivery_address addresses

DependencyInjection/Configuration.php

@@ -111,7 +111,17 @@ private function getMailersNode()
                     ->end()
                 ->end()
                 ->scalarNode('sender_address')->end()
-                ->scalarNode('delivery_address')->end()
+                ->variableNode('delivery_address')
+                    ->info('Forces the to: header can be a single email "[email protected]" or an array of delivery addresses')
+                    ->validate()
+                        ->ifTrue(
+                            function ($value) {
+                                return !is_array($value) && !is_string($value);
+                            }
+                        )
+                        ->thenInvalid('Delivery address must be either an array of email addresses or a singe email address.')
+                    ->end()
+                ->end()
                 ->arrayNode('antiflood')
                     ->children()
                         ->scalarNode('threshold')->defaultValue(99)->end()

Resources/config/schema/swiftmailer-1.0.xsd

@@ -66,6 +66,10 @@
     </xsd:restriction>
   </xsd:simpleType>
 
+  <xsd:simpleType name="delivery-address">
+      <xsd:restriction base="xsd:string"></xsd:restriction>
+  </xsd:simpleType>
+
   <xsd:simpleType name="auth_mode">
     <xsd:restriction base="xsd:string">
       <xsd:enumeration value="plain" />

Tests/DependencyInjection/Fixtures/config/php/redirect_multi.php

@@ -0,0 +1,4 @@
+<?php
+$container->loadFromExtension('swiftmailer', array(
+    'delivery_address' => array('[email protected]', '[email protected]')
+));

Tests/DependencyInjection/Fixtures/config/xml/redirect_multi.xml

@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="UTF-8" ?>
+<container xmlns="http://symfony.com/schema/dic/services"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xmlns:swiftmailer="http://symfony.com/schema/dic/swiftmailer"
+    xsi:schemaLocation="http://symfony.com/schema/dic/services http://symfony.com/schema/dic/services/services-1.0.xsd
+                        http://symfony.com/schema/dic/swiftmailer http://symfony.com/schema/dic/swiftmailer/swiftmailer-1.0.xsd">
+
+    <swiftmailer:config>
+        <swiftmailer:delivery-address>[email protected]</swiftmailer:delivery-address>
+        <swiftmailer:delivery-address>[email protected]</swiftmailer:delivery-address>
+    </swiftmailer:config>
+</container>

Tests/DependencyInjection/Fixtures/config/yml/redirect_multi.yml

@@ -0,0 +1,2 @@
+swiftmailer:
+    delivery_address: [[email protected], [email protected]]

Tests/DependencyInjection/SwiftmailerExtensionTest.php

@@ -251,6 +251,17 @@ public function testSingleRedirectionConfig($type)
         $this->assertEquals(array('/foo@.*/'), $container->getParameter('swiftmailer.mailer.default.delivery_whitelist'));
     }
 
+    /**
+     * @dataProvider getConfigTypes
+     */
+    public function testMultiRedirectionConfig($type)
+    {
+        $container = $this->loadContainerFromFile('redirect_multi', $type);
+
+        $this->assertSame(array('swiftmailer.default.plugin' => array(array())), $container->getDefinition('swiftmailer.mailer.default.plugin.redirecting')->getTags());
+        $this->assertSame(array('[email protected]', '[email protected]'), $container->getParameter('swiftmailer.mailer.default.single_address'));
+    }
+
     /**
      * @dataProvider getConfigTypes
      */