UTF-8 work/log/app.log work/log/app.%d{yyyy-MM-dd}.log.gz 30 %d{HH:mm:ss} %-5level [%thread]%logger{16} - %msg%n ${logback.email.smtp_host} ${logback.email.smtp_port} ${logback.email.username} ${logback.email.password} true ${logback.email.ssl} ${logback.email.from} ${logback.email.to} ${logback.email.subject} %date%level%thread%logger{0}%line%message ERROR ACCEPT DENY 1