python利用smtp来发送邮件（带附件）

V站CEO-西顾

发布于 2018-06-17 04:10:02

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运行环境：python2.7，python3.x的话，把代码中的中文的字符前的u去掉就好，这是2与3基本的区别

# -*- coding: utf-8 -*-
import smtplib
import email.MIMEMultipart # import MIMEMultipart
import email.MIMEText # import MIMEText
import email.MIMEBase # import MIMEBase
import os.path
import mimetypes
import datetime
import os
from email.header import Header
# today = datetime.date.today()
# yesterday = today - datetime.timedelta(days=1)
From = "%s <＊＊＊＊＊>" % Header("xxx","utf-8") # 发送邮箱，＊＊＊＊＊是发送来源的邮箱，xxx是发送邮件时候的标题，
To = " ###" # 接受邮件的邮箱
file_name = "***" # 附件名（带路径）
server = smtplib.SMTP_SSL("smtp.exmail.qq.com", 465)
server.login("＊＊＊＊＊", "password or 授权码") # 仅smtp服务器需要验证时
# 构造MIMEMultipart对象做为根容器
main_msg = email.MIMEMultipart.MIMEMultipart()
# 构造MIMEText对象做为邮件显示内容并附加到根容器
important = """
这里面写内容
"""
text_msg = email.MIMEText.MIMEText("这是内容的标题" + '\n' + important, _charset="utf-8")
text_msg["Accept-Language"] = "zh-CN"
text_msg["Accept-Charset"]="ISO-8859-1,utf-8"
main_msg.attach(text_msg)
# 设置有中文的字符串，在微软的outlook中乱码，所以才有了上面对中文的设置
# 构造MIMEBase对象做为文件附件内容并附加到根容器
## 读入文件内容并格式化 [方式1]－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－
data = open(file_name, 'rb')
ctype, encoding = mimetypes.guess_type(file_name)
if ctype is None or encoding is not None:
ctype = 'application/octet-stream'
maintype, subtype = ctype.split('/', 1)
file_msg = email.MIMEBase.MIMEBase(maintype, subtype)
file_msg.set_payload(data.read())
data.close()
email.Encoders.encode_base64(file_msg) # 把附件编码
## 设置附件头
basename = os.path.basename(file_name)
file_msg.add_header('Content-Disposition', 'attachment', filename=basename) # 修改邮件头
main_msg.attach(file_msg)
# 设置根容器属性
subject = u" 邮件标题"
if not isinstance(subject,unicode):
subject = unicode(subject)
main_msg['From'] = From
main_msg['To'] = To
main_msg['Subject'] = subject
main_msg['Date'] = email.Utils.formatdate()
# 得到格式化后的完整文本
fullText = main_msg.as_string()
# print('发送成功')
# 用smtp发送邮件
try:
server.sendmail(From, To, fullText)
finally:
server.quit()