python3 群发邮件（处理了附件中文名乱码问题）
最近跟着骆昊大神学习python，练习了发送邮件功能，处理了windows下附件名中文乱码的问题, 感觉挺有用的，记录于此
大佬地址：
知乎：https://zhuanlan.zhihu.com/p/403195489
github: https://github.com/jackfrued/Python-100-Days
代码
import smtplib
from email.header import Header
from email.mime.multipart import MIMEMultipart
from email.mime.text import MIMEText
from urllib.parse import quote
import chardet
# 邮件服务域名
EMAIL_HOST = 'smtp.163.com'
# 邮件服务端口
EMAIL_PORT = 465
# 发件人
EMAIL_USER = '自己的邮箱'
# 163的SMTP授权码
EMAIL_AUTH = '163的SMTP授权码'
def send_mail(*, from_user, to_user, subject='', content='', filenames=[]):
""" 发送邮件
:param from_user: 发件人
:param to_user: 收件人
:param subject: 邮件主题
:param content: 邮件正文
:param filenames: 群发附件的文件路径
:return:
"""
# 创建邮件主体对象
email = MIMEMultipart()
email['From'] = from_user
email['To'] = to_user
email['Subject'] = subject
message = MIMEText(content, 'plain', 'utf-8')
# 通过attach() 方法将message内容加入MIMEMultipart()容器内
email.attach(message)
for filename in filenames:
with open(filename, 'rb') as file:
# 获取到右边第一个‘/’的位置
pos = filename.rfind('/')
#获取文件名，三目运算符
display_filename = filename[pos + 1:] if pos >= 0 else filename
# 将中文文件名处理成百分号编码
# display_filename = quote(display_filename)
#base64是为了将二进制数据处理成文本字符，因为邮件传输协议是基于文本的协议，后面的utf-8是指明传输文件的编码
attachment = MIMEText(file.read(), 'base64', 'utf-8')
attachment['content-type'] = 'application/octet-stream'
# 这样写可以处理附件名中文乱码的问题，因为windows下中文名默认是gbk编码
attachment.add_header('content-disposition', 'attachment', filename=('gbk', '', display_filename))
email.attach(attachment)
try:
smtp = smtplib.SMTP_SSL(EMAIL_HOST, EMAIL_PORT)
smtp.login(EMAIL_USER, EMAIL_AUTH)
smtp.sendmail(from_user, to_user, email.as_string())
smtp.quit()
print('success!')
except smtplib.SMTPException as e:
print('failure')
print('e')
if __name__ == '__main__':
# 收件人
addressees = ['[email protected]', '[email protected]', '[email protected]', '[email protected]',
'[email protected]', '[email protected]']
names = ['小明', 'x', 'x', 'x', 'x', 'xx']
others = ['加油', '真能吃', '好菜啊', '该减肥了', '该锻炼了', '好好学习']
for i in range(0, len(addressees)):
content = f'xx在学习python, 用python给{names[i]}发送了一封毫无意义的带附件的邮件, 并说了一句{others[i]}'
subject = f'发送给{names[i]}的带附件的邮件'
send_mail(from_user=EMAIL_USER, to_user=addressees[i], subject=subject, content=content,
filenames=['C:/abc12附件.txt'])
print('发送完毕')