SMTPNotSupporteror： 服务器不支持 STARTTLS 扩展

Question

我正在尝试使用smtplib发送邮件，我得到了如下错误，我搜索了有关此错误的其他主题，但我找不到解决方案。有人可以帮助我吗？法典：import smtplibfrom email.mime.multipart import MIMEMultipartfrom email.mime.text import MIMETextfrom email.mime.base import MIMEBasefrom email import encoderstoaddr = "[e-mail]"head = "TRY"  body = "XxX"fromaddr = "[e-mail]"msg = MIMEMultipart()msg['From'] = fromaddrmsg['To'] = toaddrmsg['Subject'] = headpassword = "password"msg.attach(MIMEText(body, 'plain'))server = smtplib.SMTP('SMTP', 25)server.connect('SMTP', 25)server.starttls()server.ehlo()server.login(fromaddr, password)text = msg.as_string()server.sendmail(fromaddr, toaddr, text)server.quit()错误：SMTPNotSupportedError                     Traceback (most recent call last)<ipython-input-4-357dd2da8ab1> in <module> 17 server = smtplib.SMTP('mailenable', 25) 18 server.connect('mailenable', 25) ---> 19 server.starttls() 20 server.ehlo() 21 server.login(fromaddr, password) /opt/anaconda/envs/env_python/lib/python3.6/smtplib.py in starttls(self, keyfile, certfile, context) 750         if not self.has_extn("starttls"): 751             raise SMTPNotSupportedError( --> 752                 "STARTTLS extension not supported by server.") 753         (resp, reply) = self.docmd("STARTTLS") 754         if resp == 220: SMTPNotSupportedError: STARTTLS extension not supported by server.

Answer 1

弄清楚了这个问题。只需删除此行。

server.starttls()

server.ehlo()

server.login(fromaddr, password)