无法使用 gmail 通过 python 发送电子邮件 - smtplib.SMTPException:服务器不支持 SMTP AUTH 扩展

Cant send email via python using gmail - smtplib.SMTPException: SMTP AUTH extension not supported by server(无法使用 gmail 通过 python 发送电子邮件 - smtplib.SMTPException:服务器不支持 SMTP AUTH 扩展)

问题描述

我只想在 python 中发送一封带有附件的电子邮件

I just want to send an email in python with an attachment

import smtplib, os
from email.MIMEMultipart import MIMEMultipart
from email.MIMEBase import MIMEBase
from email.MIMEText import MIMEText
from email.Utils import COMMASPACE, formatdate
from email import Encoders

def send_mail(send_from, send_to, subject, text, files=[], server="localhost"):
    assert type(send_to)==list
    assert type(files)==list

    msg = MIMEMultipart()
    msg['From'] = send_from
    msg['To'] = COMMASPACE.join(send_to)
    msg['Date'] = formatdate(localtime=True)
    msg['Subject'] = subject

    msg.attach( MIMEText(text) )

    for f in files:
        part = MIMEBase('application', "octet-stream")
        part.set_payload( open(f,"rb").read() )
        Encoders.encode_base64(part)
        part.add_header('Content-Disposition', 'attachment; filename="%s"' % os.path.basename(f))
        msg.attach(part)

    smtp = smtplib.SMTP('smtp.gmail.com:587')
    smtp.login('fu@gmail.com','fu')
    smtp.sendmail(send_from, send_to, msg.as_string())
    smtp.close()

ATTACHMENTS = ['/tmp/2013-11-04-test.csv']
send_from=['fu@gmail.com']
send_to=['fu@gmail.com']
subject='adfadfadf'
text = 'adfadfadf'
send_mail(send_from, send_to, subject, text, files=ATTACHMENTS)

我如何进行身份验证?我必须提供用户名和密码.怎么样?

How do I auth? I have to provide a username and password. How?

Traceback (most recent call last):
  File "/home/ubuntu/workspace/miliza-devops/classes/utilities.py", line 133, in <module>
    send_mail(send_from, send_to, subject, text, files=ATTACHMENTS)
  File "/home/ubuntu/workspace/miliza-devops/classes/utilities.py", line 124, in send_mail
    smtp.login('fu@gmail.com','fu')
  File "/usr/lib/python2.7/smtplib.py", line 576, in login
    raise SMTPException("SMTP AUTH extension not supported by server.")
smtplib.SMTPException: SMTP AUTH extension not supported by server.

推荐答案

您需要在登录前调用 starttls():

You need a call to starttls() before you login:

smtp = smtplib.SMTP('smtp.gmail.com:587')
smtp.starttls()
smtp.login('fu@gmail.com', 'fu')

另外，您的 send_from 应该是 str，而不是 list:

Also, your send_from should be a str, not a list:

send_from='fu@gmail.com'

注意 smtp.starttls() 隐式调用 smtp.ehlo():

如果此会话之前没有 EHLO 或 HELO 命令，则此方法首先尝试 ESMTP EHLO.https://docs.python.org/2/library/smtplib.html#smtplib.SMTP.starttls

If there has been no previous EHLO or HELO command this session, this method tries ESMTP EHLO first. https://docs.python.org/2/library/smtplib.html#smtplib.SMTP.starttls

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