Configure SMTP settings

config/environments/production.rb

@@ -72,6 +72,14 @@ Rails.application.configure do
   # config.active_job.queue_name_prefix = "wedding_planner_production"
 
   config.action_mailer.perform_caching = false
+  config.action_mailer.delivery_method = :smtp
+  config.action_mailer.smtp_settings = {
+    address: File.read(ENV["SMTP_ADDRESS"]).strip,
+    port: File.read(ENV["SMTP_PORT"]).strip,
+    user_name: File.read(ENV["SMTP_USER_NAME"]).strip,
+    password: File.read(ENV["SMTP_PASSWORD"]).strip,
+    authentication: File.read(ENV["SMTP_AUTHENTICATION"].strip&.to_sym)
+  }
 
   # Ignore bad email addresses and do not raise email delivery errors.
   # Set this to true and configure the email server for immediate delivery to raise delivery errors.