python发送邮件sendmail--smtplib【带附件】

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#!/usr/bin/env python# -*- coding: UTF-8 -*-from email.mime.multipart import MIMEMultipartfrom email.mime.base import MIMEBasefrom email.mime.text import MIMEText from email.utils import COMMASPACE,formatdatefrom email import encoders import os def send_mail(server, fro, to, subject, text, files=[]):     assert type(server) == dict     assert type(to) == list     assert type(files) == list      msg = MIMEMultipart()     msg['From'] = fro     msg['Subject'] = subject     msg['To'] = COMMASPACE.join(to) #COMMASPACE==', '     msg['Date'] = formatdate(localtime=True)     msg.attach(MIMEText(text))      for f in files:         part = MIMEBase('application', 'octet-stream') #'octet-stream': binary data         part.set_payload(open(f, 'rb').read())         encoders.encode_base64(part)         part.add_header('Content-Disposition', 'attachment; filename="%s"' % os.path.basename(f))         msg.attach(part)      import smtplib     smtp = smtplib.SMTP(server['name'], server['port'])     smtp.ehlo()    smtp.starttls()    smtp.ehlo()    smtp.login(server['user'], server['passwd'])     smtp.sendmail(fro, to, msg.as_string())     smtp.close()    if __name__=='__main__':    server = {'name':'mail.server.com', 'user':'chenxiaowu', 'passwd':'xxxx', 'port':25}    fro = 'chenxiaowu@163.com'    to = ['xxxx@163.com']    subject = '脚本运行提醒'    text = 'mail content'    files = ['top_category.txt']    send_mail(server, fro, to, subject, text, files=files)

从网上找了些资料，不会有个别错误，上面代码经调试测试通过

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