python 发qq邮件

import smtplib
from email.mime.text import MIMEText
msg_from = '979477675@qq.com'  # 发送方邮箱
passwd = 'irgshrccydhibbce'  # 填入发送方邮箱的授权码
msg_to = '979477675@qq.com'
subject = "python邮件测试"  # 主题
content = "这是我使用python smtplib及email模块发送的邮件"
msg = MIMEText(content)
msg['Subject'] = subject
msg['From'] = msg_from
msg['To'] = msg_to
s = smtplib.SMTP_SSL("smtp.qq.com", 465)# 邮件服务器及端口号
s.login(msg_from, passwd)
s.sendmail(msg_from, msg_to, msg.as_string())
print("发送成功")
s.quit()