Python smtplib发邮件报错,501, b‘5.5.4 Invalid domain name

    技术2025-08-13  16

    以下是具体代码,运行的时候显示报错如下,不知怎么处理,希望各位大家帮忙解决下,谢谢! Traceback (most recent call last):   File "C:/Users/Administrator/OneDrive/2018/Desktop/WorkStation/Email/Email - 副本.py", line 39, in <module>     sendmail(from_email,password,to_email,'testing','How are you!')   File "C:/Users/Administrator/OneDrive/2018/Desktop/WorkStation/Email/Email - 副本.py", line 20, in sendmail     server.starttls()   File "C:\Users\Administrator\Anaconda3\lib\smtplib.py", line 749, in starttls     self.ehlo_or_helo_if_needed()   File "C:\Users\Administrator\Anaconda3\lib\smtplib.py", line 603, in ehlo_or_helo_if_needed     raise SMTPHeloError(code, resp) smtplib.SMTPHeloError: (501, b'5.5.4 Invalid domain name [HK2PR03CA0047.apcprd03.prod.outlook.com]') import smtplib from email.mime.multipart import MIMEMultipart from email.mime.text import MIMEText def sendmail(from_email, password, to_email, subject, message): msg = MIMEMultipart() msg['From'] = from_email msg['To'] = to_email msg['Subject'] = subject # add in the message body msg.attach(MIMEText(message, 'plain')) server = smtplib.SMTP('smtp.office365.com', 587) server.starttls() server.ehlo() server.login(msg['From'], password) server.sendmail(msg['From'], msg['To'], msg.as_string()) server.close() if __name__ == '__main__': from_email = "xxx@consult.com" password = "xxxxxxpass" to_email = '27573xxx@qq.com' sendmail(from_email,password,to_email,'testing','How are you!')

     

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