Python发送邮件

import yamail
# 邮箱username
# password

username = "xxx@qq.com"
password = "xxx"
host = "smtp.qq.com" #qq
# host = "smtp.163.com" #163
# host = "smtp.126.com" #qq

smtp = yamail.SMTP(host=host,user=username,password=password)
# smtp.send(to="1018934314@qq.com")
smtp.send(
    to=["xxx@qq.com","1xxx@qq.com"],
    cc=["xxx@qq.com","xxx@qq.com"],
    subject="课后好好学习",
    contents="下课之后先吃饭，吃完饭明天好好学习。",
    attachments=["a.jpg","a.xls"]