用python发邮件

            
              def send_mail(to_mail, subject,data, filename=None):
    smtp_server = 'smtp.exmail.qq.com'
    from_mail = ""
    mail_pass = ""

    msg = MIMEMultipart()
    msg["From"] = from_mail
    msg["To"] = ','.join(to_mail)
    msg["Subject"] = Header(subject, 'utf-8').encode()

     #构造html
    d = datetime.now()
    dt = d.strftime('%Y-%m-%d')
    at = (d - timedelta(1)).strftime('%Y-%m-%d')
    timezone  = at

    html = f"""\



              
              
              

                

                  统计时间: """ + timezone + """
                
                

                  
                      """+data+"""

                    

                    

                      

                        

                          
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