python发qq邮件

from email.mime.text import MIMEText
from email.mime.multipart import MIMEMultipart
import smtplib
from email.header import Header

def send_email (a):
	sender = 'xxxxxx@qq.com'
	receiver = 'xxxxx@qq.com'
	subject = '主题内容'
	username = 'xxxx@qq.com'
	password = '第三方登录授权码'
	msg = MIMEText(a, 'plain', 'utf-8')
	msg['Subject'] = Header(subject, 'utf-8')
	msg['From'] = sender
	msg['To'] = receiver
	smtp = smtplib.SMTP()
	smtp.connect('smtp.qq.com')
	smtp.login(username, password)
	smtp.sendmail(sender, receiver, msg.as_string())
	smtp.quit()

send_email('aaaa')