python3 新式郵件寫法 附件亂碼 解決

2021-08-31 16:18:42 字數 2050 閱讀 5862

import sys


import re


import mimetypes


import base64


import traceback


from pathlib import purepath


from datetime import date


from calendar import monthrange


import smtplib


from email.headerregistry import address, group


from email.utils import localtime, make_msgid


from email.message import emailmessage


郵件伺服器 = "smtp.exmail.qq.com"


郵件伺服器_埠 = 465


傳送者賬號 = "[email protected]"


傳送者密碼 = "admin"


傳送者暱稱 = "公司"


def get_type(path):


ctype, encoding = mimetypes.guess_type(path)


if ctype is none or encoding is not none:


return ctype.split('/', 1)


def dd_b64(headstr):


"""對郵件header及附件的檔名進行兩次base64編碼，防止outlook中亂碼。email庫原始碼中先對郵件進行一次base64解碼然後組裝郵件，所以兩次編碼"""


headstr = '=?utf-8?b?' + base64.b64encode(headstr.encode('utf-8')).decode() + '?='


headstr = '=?utf-8?b?' + base64.b64encode(headstr.encode('utf-8')).decode() + '?='


return headstr


def make_msg(to_name, to_addrs, html_table):


msg = emailmessage()


msg['from'] = address(dd_b64(傳送者暱稱), addr_spec = 傳送者賬號)  # 省略addr_spec會出現 由 *** 代發


msg['to'] = address(dd_b64(to_name), addr_spec = to_addrs)


msg['subject'] = 郵件主題


msg['date'] = localtime()


msg_cid = make_msgid()


html_table = html_table.replace('', f'


msg.add_alternative(html_table, subtype = 'html')


# msg.set_content(html_table,subtype = 'html')


path = r"e:\onedrive\\桌布\forests2.jpg"


with open(path, 'rb') as img:


msg.get_payload()[0].add_related(img.read(), *get_type(path), cid = msg_cid)


path = r"c:\users\sharp\desktop\新建 microsoft excel 工作表.xlsx"


with open(path, 'rb') as fi:


msg.add_attachment(fi.read(), *get_type(path), filename = dd_b64(purepath(path).name))


return msg


server = smtplib.smtp_ssl(郵件伺服器, 郵件伺服器_埠)


server.login(傳送者賬號, 傳送者密碼)


server.send_message(msg)
解決亂碼的中心就是先兩次base64，原因在**的注釋中。

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