문제가 있는 경우에는 전화나 메일로 답을 받고 싶어요

In case, there is something wrong with ~ , I'd like to receive a notice not only by phone call but also by email.

제 주문에 문제가 있는 경우는 전화뿐만 아니라 메일로도 답을 받고 싶어요.
In case, there is something wrong with my order, I'd like to receive a notice not only by phone call but also by email.