监控系统内存,CPU,硬盘的使用情况,到达阈值时会自动发送邮件报警! import yagmail import psutil def sendmail(subject,contents): #连接邮箱服务器 yag = yagmail.SMTP(user='xxxxxxxxxxx',password='xxxxxx',host='smtp.163.com') # yag = yagmail.SMTP(user='发件人邮箱',password='授权登录密码',host='smtp.163.c