diff --git a/packs.json b/packs.json
index c0420d0e..7026c5ed 100644
--- a/packs.json
+++ b/packs.json
@@ -37,7 +37,7 @@
             ["symfony/yaml", "^3.2", false]
         ],
         "mailer": [
-            ["symfony/swiftmailer-bundle", "^2.4", false]
+            ["symfony/swiftmailer-bundle", "^2.5", false]
         ],
         "profiler": [
             ["symfony/web-profiler-bundle", "^3.2", false]
@@ -75,7 +75,7 @@
                 ["doctrine/orm", "^2.5", false],
                 ["doctrine/doctrine-bundle", "^1.6", false],
                 ["doctrine/doctrine-cache-bundle", "^1.2", false],
-                ["symfony/swiftmailer-bundle", "^2.3", false],
+                ["symfony/swiftmailer-bundle", "^2.5", false],
                 ["symfony/monolog-bundle", "^3.0", false],
                 ["symfony/polyfill-apcu", "^1.0", false],
                 ["sensio/distribution-bundle", "^5.0", false],
diff --git a/recipes/symfony/swiftmailer-bundle/etc/packages/swiftmailer.yaml b/recipes/symfony/swiftmailer-bundle/etc/packages/swiftmailer.yaml
index 68c05ab4..e3d560c1 100644
--- a/recipes/symfony/swiftmailer-bundle/etc/packages/swiftmailer.yaml
+++ b/recipes/symfony/swiftmailer-bundle/etc/packages/swiftmailer.yaml
@@ -1,5 +1,5 @@
 swiftmailer:
-    transport: sendmail
+    transport: "%env(MAILER_TRANSPORT)%"
     host: "%env(MAILER_HOST)%"
     username: "%env(MAILER_USER)%"
     password: "%env(MAILER_PASSWORD)%"
diff --git a/recipes/symfony/swiftmailer-bundle/manifest.json b/recipes/symfony/swiftmailer-bundle/manifest.json
index 105602e6..ec199549 100644
--- a/recipes/symfony/swiftmailer-bundle/manifest.json
+++ b/recipes/symfony/swiftmailer-bundle/manifest.json
@@ -6,7 +6,8 @@
         "etc/": "%ETC_DIR%/"
     },
     "env": {
-        "MAILER_HOST": "",
+        "MAILER_TRANSPORT": "smtp",
+        "MAILER_HOST": "localhost",
         "MAILER_USERNAME": "",
         "MAILER_PASSWORD": ""
     }