Send mail util with attachment

mail_util.py

# -*- coding: utf-8 -*-

from email.mime.text import MIMEText
from email.mime.multipart import MIMEMultipart
import smtplib

class Message(object):
    '''Email util.'''
    def __init__(self, mailto_list=['xxxxxx@qq.com'], mail_host='smtp.126.com', 
    			 mail_user='yyyyyy', mail_password='zzzzzz', mail_postfix='126.com', attach_file_list=[]):
    	'''Initialize the Message util.'''
        self.mailto_list = mailto_list
        self.mail_host = mail_host
        self.mail_user = mail_user
        self.mail_password = mail_password
        self.mail_postfix = mail_postfix
        self.__subject = ''
        self.__content = ''
        self.attach_file_list = attach_file_list
        self.server = smtplib.SMTP()

    @property
    def subject(self):
     	return self.__subject

    @property
    def content(self):
     	return self.__content

    @subject.setter
    def subject(self, subject):
     	self.__subject = subject

    @content.setter
    def content(self, content):
     	self.__content = content

    def __load_attachments(self):
        self.attach_list = []
        for filename in self.attach_file_list:
            with open(filename, 'rb') as f:
                att = MIMEText(f.read(), 'base64', 'gb2312')
                att["Content-Type"] = 'application/octet-stream'
                att["Content-Disposition"] = 'attachment; filename="' + filename + '"'
                self.attach_list.append(att)

    def send_mail(self):
    	'''Send mail.'''
        self.msg = MIMEMultipart()
        self.__load_attachments()
        for att in self.attach_list:
            msg.attach(att)
        self.msg['Subject'] = self.__subject
        self.msg['From'] = '<' + self.mail_user + '@' + self.mail_postfix + '>'
        self.msg['To'] = ';'.join(self.mailto_list)
        try:
            self.server.connect(self.mail_host)
            self.server.login(self.mail_user, self.mail_password)
            self.server.sendmail(self.msg['From'], self.mailto_list, self.msg.as_string())
            self.server.close()
            print 'email succeed.'
            return True
        except Exception, e:
            print str(e)
            print 'email failed.'
            return False
            
def main():
    message = Message(mail_to_list=['dongguosheng179@163.com'], mail_host='smtp.163.com', mail_user='yyyyyy', mail_password='zzzzzz', mail_postfix='163.com', attach_file_list=['./test.txt'])
    message.subject = 'Hello'
    message.content = 'World.'
    message.send_mail()
    
if __name__ == '__main__':
    main()