Python 发电子邮件示例

#!/usr/bin/env python
# -*- coding: utf-8 -*-
# python 3.5

import re
import os
import smtplib
from io import StringIO
from validate_email import validate_email
from email.mime.text import MIMEText
from email.mime.multipart import MIMEMultipart

class PYMAIL:
  def __init__(self):
    self.from_mail = "[e-mail]"
    self.from_mail_pwd = "xxxxx"
    self.smtp_server = "smtp.139.com"
    self.smtp_port = 25

  """
  def send_mail(self, to_mail,subject,content):
    try:
      msg = MIMEText( content ,'plain','utf-8')
      msg['From'] = self.from_mail
      msg['To'] = to_mail
      msg['Subject'] = subject
      smtp = smtplib.SMTP(self.smtp_server, self.smtp_port)
      smtp.starttls()
      smtp.login(self.from_mail , self.from_mail_pwd)
      smtp.sendmail(self.from_mail, to_mail, msg.as_string())
      smtp.quit()
      print("发送成功！")
    except smtplib.SMTPException as err:
      print("发送失败！")
      print(str(err))
  """
  def check_mail(self ,maillist):
    to_maillist = []
    if maillist:
      for mail in maillist:
        if re.match('^[_a-z0-9-]+(\.[_a-z0-9-]+)*@[a-z0-9-]+(\.[a-z0-9-]+)*(\.[a-z]{2,4})$', mail):
          if validate_email(mail,verify=True) != None:
            to_maillist.append(mail)
          else:
            raise Exception("Invalid email address: %s" % mail)
        else:
          raise Exception("Invalid email format: %s" % mail)
    else:
      raise Exception("Receive email can not be null!")
    return to_maillist

  #Can add attachment or not.
  def send_mail_with_attachment(self, to_mail,subject,content,filelist):
    to_maillist = self.check_mail(to_mail)
    try:
      msg = MIMEMultipart()
      msg['From'] = self.from_mail
      msg['To'] = ", ".join(to_maillist)
      msg['Subject'] = subject
      msg.attach(MIMEText( content ,'plain','utf-8'))

      #add attachment
      if filelist:
        for file in filelist:
          if os.path.isfile(file):
            path, filename = os.path.split(file)
            part = MIMEText(open(file, 'rb').read(), 'base64', 'utf-8')
            part["Content-Disposition"] = 'attachment; filename="%s"' % os.path.basename(filename)
            msg.attach(part)
          else:
            raise Exception("The file [%s] is not exists!" % file)

      smtp = smtplib.SMTP(self.smtp_server, self.smtp_port)
      smtp.starttls()
      smtp.login(self.from_mail , self.from_mail_pwd)
      smtp.sendmail(self.from_mail, to_maillist, msg.as_string())
      smtp.quit()
      print("Mail Success！")
    except smtplib.SMTPException as err:
      print("Mail failure！")
      print(str(err))


if __name__ == "__main__":
  to_mail = ["[e-mail]","[e-mail]"]
  subject = "test subject"
  content = "test mail!~"
  filelist = ["D:/Python35/mypy/test.py","D:/Python35/mypy/op.py"]
  mymail = PYMAIL()
  mymail.send_mail_with_attachment(to_mail,subject,content,filelist)