diff --git a/config/environments/production.rb b/config/environments/production.rb
index 7053fd3..57e1dd8 100644
--- a/config/environments/production.rb
+++ b/config/environments/production.rb
@@ -26,7 +26,9 @@
 config.action_mailer.perform_deliveries = true
 config.action_mailer.raise_delivery_errors = true
 config.action_mailer.delivery_method = :smtp
-config.action_mailer.smtp_settings = HashWithIndifferentAccess.new(
-  YAML::load(ERB.new(File.read(File.join(RAILS_ROOT, 'config/mailer.yml'))).result)['production']
-)
+if File.exist?(File.join(RAILS_ROOT, 'config/mailer.yml'))
+  config.action_mailer.smtp_settings = HashWithIndifferentAccess.new(
+    YAML::load(ERB.new(File.read(File.join(RAILS_ROOT, 'config/mailer.yml'))).result)['production']
+  )
+end