Python发送邮件的模块类（包括发送文本、HTML、带附件的邮件）

使用Python脚本进行服务器监控时，当达到告警阀值时，需要邮件通知维护人员进行处理。 本文针对发邮件相关的操作进行了封装，以方便后续工作中使用。    使用Python发邮件，主要用到smtplib和email两个模块。

#!/usr/bin/python  # encoding=utf-8  # Filename: send_email.py  from email.mime.image import MIMEImage  from email.mime.multipart import MIMEMultipart  from email.mime.text import MIMEText    import smtplib        class SendEmail:      # 构造函数：初始化基本信息      def __init__(self, host, user, passwd):          lInfo = user.split("@")          self._user = user          self._account = lInfo[0]          self._me = self._account + "<" + self._user + ">"                     server = smtplib.SMTP()            server.connect(host)            server.login(self._account, passwd)          self._server = server                  # 发送文件或html邮件          def sendTxtMail(self, to_list, sub, content, subtype='html'):              # 如果发送的是文本邮件，则_subtype设置为plain          # 如果发送的是html邮件，则_subtype设置为html          msg = MIMEText(content, _subtype=subtype, _charset='utf-8')            msg['Subject'] = sub            msg['From'] = self._me            msg['To'] = ";".join(to_list)            try:              self._server.sendmail(self._me, to_list, msg.as_string())                 return True            except Exception, e:                print str(e)                return False                # 发送带附件的文件或html邮件             def sendAttachMail(self, to_list, sub, content, subtype='html'):          # 创建一个带附件的实例          msg = MIMEMultipart()            # 增加附件1          att1 = MIMEText(open(r'D:\javawork\PyTest\src\main.py','rb').read(), 'base64', 'utf-8')          att1["Content-Type"] = 'application/octet-stream'          # 这里的filename可以任意写，写什么名字，邮件中显示什么名字          att1["Content-Disposition"] = 'attachment; filename="main.py"'          msg.attach(att1)                    # 增加附件2          att2 = MIMEText(open(r'D:\javawork\PyTest\src\main.py','rb').read(), 'base64', 'utf-8')          att2["Content-Type"] = 'application/octet-stream'          att2["Content-Disposition"] = 'attachment; filename="main.txt"'          msg.attach(att2)                    # 增加邮件内容          msg.attach(MIMEText(content, _subtype=subtype, _charset='utf-8'))                    msg['Subject'] = sub            msg['From'] = self._me          msg['To'] = ";".join(to_list)                     try:              self._server.sendmail(self._me, to_list, msg.as_string())                 return True            except Exception, e:                print str(e)                return False       # 发送带附件的文件或html邮件             def sendImageMail(self, to_list, sub, content, subtype='html'):          # 创建一个带附件的实例          msg = MIMEMultipart()                    # 增加邮件内容          msg.attach(MIMEText(content, _subtype=subtype, _charset='utf-8'))                    # 增加图片附件          image = MIMEImage(open(r'D:\javawork\PyTest\src\test.jpg','rb').read())          #附件列表中显示的文件名          image.add_header('Content-Disposition', 'attachment;filename=p.jpg')               msg.attach(image)                      msg['Subject'] = sub            msg['From'] = self._me          msg['To'] = ";".join(to_list)                    try:              self._server.sendmail(self._me, to_list, msg.as_string())                 return True            except Exception, e:                print str(e)                return False                # 析构函数：释放资源        def __del__(self):          self._server.quit()          self._server.close()            mailto_list = ['xxx@163.com']   mail = SendEmail('smtp.163.com', 'xxx@163.com', 'xxxxxx')  if mail.sendTxtMail(mailto_list, "测试邮件", "hello world！<br><br><h1>你好，发送文本文件测试<h1>"):        print "发送成功"    else:        print "发送失败"    if mail.sendAttachMail(mailto_list, "测试邮件-带两个附件", "hello world！<br><br><h1>你好，发送文本文件测试<h1>"):        print "发送成功"    else:        print "发送失败"        if mail.sendImageMail(mailto_list, "测试邮件-带一个图片的附件", "hello world！<br><br><h1>你好，发送文本文件测试<h1>"):        print "发送成功"    else:        print "发送失败"