python3 发送邮件

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


class Mail:
   
   
    

    def __init__(self, u_p_r, f_t_h_t, accessory, connetc, debuglevel=False):
        self.c_1 = u_p_r
        self.c_2 = f_t_h_t
        self.c_3 = accessory
        self.c_4 = connetc
        self.sender = u_p_r[0]
        self.sender_pass = u_p_r[1]
        self.receivers = u_p_r[2]
        self.From = f_t_h_t[0]
        self.To = f_t_h_t[1]
        self.Header = f_t_h_t[2]
        self.Text = f_t_h_t[3]
        self.Accessory = accessory
        self.server_host = connetc[0]
        self.server_port = connetc[1]
        self.debuglevel = debuglevel
        self.debugmessage = ""

    def check(self):
        for date in [self.c_1, self.c_2, self.c_3, self.c_4]:
            for ci in date:
                if type(ci) is list:
                    pass
                elif type(ci) is str:
                    pass
                else:
                    return -1

    def mail(self):
        if self.check() == -1:
            print("检查未通过")
            return -1

        message = MIMEMultipart()
        if self.From.strip() != "":
            message['From'] = Header(self.From, 'utf-8')
        if self.To.strip() != "":
            message['To'] = Header(self.To, 'utf-8')
        if self.Header.strip() != "":
            message['Subject'] = Header(self.Header, 'utf-8')
        if self.Text.strip() != "":
            message.attach(MIMEText(self.Text, 'plain', 'utf-8'))
        for fs in range(len(self.Accessory)):
            att1 = MIMEText(open(self.Accessory[fs], 'rb').read(), 'base64', 'utf-8')
            sign = self.Accessory[fs].find("/")
            signu = '/'
            if sign == -1:
               signu = '\\'
            att1["Content-Type"] = 'application/octet-stream'
            att1["Content-Disposition"] = 'attachment; filename=%s' % Header(self.Accessory[fs].split(signu)[-1], 'utf-8').encode('utf-8')
            message.attach(att1)


        try:
            smtpObj = smtplib.SMTP()
            smtpObj.connect(str(self.server_host), int(self.server_port))
            smtpObj.login(self.sender, self.sender_pass)
            if self.debuglevel is True:
                self.debugmessage = smtpObj.set_debuglevel(1)
            smtpObj.sendmail(self.sender, self.receivers.split(';'), message.as_string())
            return 0
        except smtplib.SMTPException as e:
            print("Error: 无法发送邮件")
            print(e)
            return -1


if __name__ == '__main__':
    # 发件人  密钥    接收人  用“；”分开
    user = ['******@qq.com', '*********', '*****;']
    #     来自(from)       到(to)      标题       正文
    text = ['000', '', '数据统计', '请查收']
    # 第三方服务端口  465 25 ...
    server = ["smtp.qq.com", "25"]
    # 附件地址列表
    files = [fiilename1, fiilename2]
    mail1 = Mail(user, text, files, server)
    mail1.mail()