ActionView::Template::Error: Missing host to link to! Please provide the :host parameter, set default_url_options[:host], or set :only_path to trueMy ruby on rails action mailer runs all good in development environment, but in production environment, it keeps throw: ActionView::Template::Error: Missing host to link to! Please provide the :host parameter, set default_url_options[:host], or set :only_path to true My development config is config.action_mailer.delivery_method = :smtp config.action_mailer.smtp_settings = { :port => xxx, :address
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