python学习（2）--发邮件带附件

# -*- coding:utf-8 -*-
from email.mime.text import MIMEText
from email.header import Header
import smtplib
from email.mime.application import MIMEApplication
from email.mime.multipart import MIMEMultipart


msg = MIMEMultipart() 
msg['Subject'] = Header("来自Python的邮件",'utf-8')
msg['From'] = Header('***@sina.com')
msg['To'] = Header('receiver','utf-8')

from_addr = '***@sina.com' #发件邮箱
password = '****' #邮箱密码
to_addr = '****@163.com' #收件邮箱

smtp_server = 'smtp.sina.com' #SMTP服务器

part = MIMEApplication(open('result.jtl','rb').read()) 
part.add_header('Content-Disposition', 'attachment', filename="result.jtl") 
msg.attach(part)


try:
    server = smtplib.SMTP(smtp_server,25) #第二个参数为默认端口为25，有些邮件有特殊端口
    print('开始登录')
    server.login(from_addr,password) #登录邮箱
    print('登录成功')
    print("邮件开始发送")
    server.sendmail(from_addr,to_addr,msg.as_string())  #将msg转化成string发出
    server.quit()
    print("邮件发送成功")
except smtplib.SMTPException as e:
    print("邮件发送失败",e)