import smtplibfrom email.mime.text import MIMETextfrom email.header import Headerimport timedef email():    #发送邮箱服务器    smtpserver = "smtp.163.com"    #发送邮箱的账号/密码    user= "我的邮箱@163.com"    password="我的密码"    #发送邮箱    sender="我的邮箱@163.com"    #收件箱    receiver = "你的邮箱@qq.com"   #发送主题    subject = "《脑筋急转弯》"    #编写HTML类型的邮件正文    msg = MIMEText("
ssssssssssssssss
","html","utf-8")    msg['Subject'] = Header(subject, 'utf-8')    try:        #这两个参数必须要，不然就会出现554的错误，不然少参数        msg['from']=sender        msg['to']=receiver        #连接发送邮箱        smtp = smtplib.SMTP()        smtp.connect(smtpserver)        smtp.login(user,password)        smtp.sendmail(sender, receiver, msg.as_string())        smtp.quit()        print("执行第",i,"次，成功!")        time.sleep(2)    except:        print("第",i,"次发送失败!")i=1while  i:    email()    i +=1    if i >3:        break