.

config/environments/test.rb

@@ -57,4 +57,15 @@ Rails.application.configure do
 
   # Annotate rendered view with file names.
   # config.action_view.annotate_rendered_view_with_filenames = true
+  config.action_mailer.default_url_options = {host: 'dev.j4.pm'}
+
+  config.action_mailer.smtp_settings = {
+    address: ENV['MAILER_ADDRESS'],
+    port: 587,
+    domain: ENV['MAILER_DOMAIN'],
+    user_name: ENV['MAILER_USERNAME'],
+    password: ENV['MAILER_PASSWORD'],
+    authentication: 'plain',
+    enable_starttls_auto: true,
+  }
 end