Update MailUtils.java

src/main/java/util/MailUtils.java

@@ -43,7 +43,7 @@ public class MailUtils {
 			userEmailAddress = new ArrayList<>();
 			List<String> users = Arrays.asList(Constant.mailtestUser.split(","));
 			for(String u :users){
-				userEmailAddress.add(u+"@reyun.com");
+				userEmailAddress.add(u);
 			}
 		}