Coutact US에서 아래와 같은 에러 메세지가 출력 되네요

게시판에 관리자 메일을 입력하고 테스트 해보았는데, 정상적으로 메일은 전달 되고 있습니다.

어떻게 수정을 해야 되나요..

감사합니다

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