mailBoard = conf.getProperty("mail.board", "board@" + suffix);
mailQuiz = conf.getProperty("mail.quiz", "quiz@" + suffix);
mailQuizAdmin = conf.getProperty("mail.quizAdmin", "quiz-admin@" + suffix);
mailBoard = conf.getProperty("mail.board", "board@" + suffix);
mailQuiz = conf.getProperty("mail.quiz", "quiz@" + suffix);
mailQuizAdmin = conf.getProperty("mail.quizAdmin", "quiz-admin@" + suffix);