# Foo. # # @example # # y # g # # @param [String] param_name The xx and xx. # # @see https://example.com/ # # @return [true] if so # @param [Hash] opts the options to create a message with. # @option opts [String] :subject The subject # @option opts [String] :from ('nobody') From address # @option opts [String] :to Recipient email # @option opts [String] :body ('') The email's body # @param (see U