diff --git a/conf/parameters.yml b/conf/parameters.yml
index 5cc47fb..6673d44 100644
--- a/conf/parameters.yml
+++ b/conf/parameters.yml
@@ -27,10 +27,10 @@ parameters:
     server_name: "Your wallabag instance"
 
     mailer_transport:  smtp
-    mailer_user:       ~
-    mailer_password:   ~
+    mailer_user:       __APP__
+    mailer_password:   __MAIL_PWD__
     mailer_host:       127.0.0.1
-    mailer_port:       false
+    mailer_port:       25
     mailer_encryption: ~
     mailer_auth_mode:  ~
 
@@ -41,7 +41,7 @@ parameters:
 
     # two factor stuff
     twofactor_auth: true
-    twofactor_sender: no-reply@wallabag.org
+    twofactor_sender: no-reply@__DOMAIN__
 
     # fosuser stuff
     fosuser_registration: false
diff --git a/manifest.toml b/manifest.toml
index 3521977..5f585f4 100644
--- a/manifest.toml
+++ b/manifest.toml
@@ -54,6 +54,7 @@ ram.runtime = "50M"
     autoupdate.asset = ".*\\.tar\\.gz"
 
     [resources.system_user]
+    allow_email = true
 
     [resources.install_dir]