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EC2 IAM에 등록된 자격 증명 사용하기패키지 정보 확인하기import com.amazonaws.services.simpleemail.AmazonSimpleEmailService;import com.amazonaws.services.simpleemail.AmazonSimpleEmailServiceClientBuilder;import org.springframework.beans.factory.annotation.Value;import org.springframework.context.annotation.Bean;import org.springframework.context.annotation.Configuration;import software.amazon.awssdk.auth.crede..