import smtplib, email
class SendEmail(object):
    def __init__(self):
        pass
        
        
    def sendmail(self, mFrom, mTo, mSubject, mContent, ishtml = True, attachFile = None):    
        msg = MIMEMultipart()  
        msg['From'] = mFrom  
        msg['To'] = mTo  
        msg['Subject'] = mSubject  
        
        msgAlernative = MIMEMultipart('alernative')  
        msg.attach(msgAlernative) 
        
        if ishtml:    #判断发送邮件的文本格式
            #add html mail     
            html=mContent 
            msgHtml = MIMEText(html, 'html')     
            msgAlernative.attach(msgHtml) 
        else:    
            #add plain mail 
            txt = MIMEText(mContent)  
            msgAlernative.attach(txt)
  
        #添加二进制附件  
        if attachFile:
            fileName = attachFile 
            ctype, encoding = mimetypes.guess_type(fileName)  
            if ctype is None or encoding is not None:  
                ctype = 'application/octet-stream'  
            maintype, subtype = ctype.split('/', 1)  
            att1 = MIMEImage((lambda f: (f.read(), f.close())) \
                  (open(fileName, 'rb'))[0], _subtype = subtype)  
            att1.add_header('Content-Disposition', 'attachment', \
                 filename = path.basename(attachFile))  
            msg.attach(att1)  
  
        #发送邮件  
        smtp = smtplib.SMTP()  
        smtp.connect('smtp.server.com:25')   ####需要修改邮件服务器
        smtp.login('user', 'passwd')      ###需要修改
        smtp.sendmail(mFrom, mTo, msg.as_string())  
        smtp.quit()  
        return 'ok'


if __name__ == '__main__':
    sm = SendEmail()
    print sm.sendmail('mFrom', 'mTo','subject', 'html/plain content', 1/0, r'attach file path')