Merge branch '4.4'

javiereguiluz · javiereguiluz · commit d61a2d4918d7 · 2019-10-16T11:21:08.000+02:00
* 4.4:
  Move to the new DSN format for Mailer
diff --git a/mailer.rst b/mailer.rst
@@ -732,7 +732,7 @@ environment:
     # config/packages/dev/mailer.yaml
     framework:
         mailer:
-            dsn: 'smtp://null'
+            dsn: 'null://null'
 
 .. note::
 
