python smtp发送邮件

import smtplib
from email.mime.text import MIMEText

def mail_send(title, body):
    host = "smtp.163.com"
    port = 465

    sender = "xxx@163.com"
    pwd = "1234"
    receiver = ["aaa@163.com", "bbb@163.com"]

    # 设置邮件信息
    msg = MIMEText(body, ‘html‘, ‘utf-8‘)  # 正文utf8
    msg["Accept-Language"] = "zh-CN"
    msg["Accept-Charset"] = "ISO-8859-1,utf-8"

    msg[‘subject‘] = title if isinstance(title, unicode) else unicode(title.decode("utf8"))  # title必须为unicode编码

    msg[‘from‘] = sender
    msg[‘to‘] = ",".join(receiver)

    s = smtplib.SMTP_SSL(host, port)
    s.login(sender, pwd)
    s.sendmail(sender, receiver, msg.as_string())
    print ‘The mail named %s to %s is sended successly.‘ % (title, receiver)