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我已经看到了以下问题，但我仍然有一些疑问。

从分发列表发送电子邮件

首先，我有一个个人邮件帐户以及一个用于特定邮件服务器中的组的分发 ID。From只需指定该字段，我就可以通过 Outlook 从分发邮件 ID 发送邮件。它不需要身份验证。

我一直在使用以下代码通过我的个人帐户发送邮件：

import smtplib
from email.mime.multipart import MIMEMultipart
from email.mime.text import MIMEText
import os


FROMADDR = "myaddr@server.com"
GROUP_ADDR = ['group@server.com']
PASSWORD = 'foo'


TOADDR   = ['toaddr@server.com']
CCADDR   = ['group@server.com']

# Create message container - the correct MIME type is multipart/alternative.
msg            = MIMEMultipart('alternative')
msg['Subject'] = 'Test'
msg['From']    = FROMADDR
msg['To']      = ', '.join(TOADDR)
msg['Cc']      = ', '.join(CCADDR)

# Create the body of the message (an HTML version).
text = """Hi  this is the body
"""

# Record the MIME types of both parts - text/plain and text/html.
body = MIMEText(text, 'plain')

# Attach parts into message container.
msg.attach(body)

# Send the message via local SMTP server.
s = smtplib.SMTP('server.com', 587)
s.set_debuglevel(1)
s.ehlo()
s.starttls()
s.login(FROMADDR, PASSWORD)
s.sendmail(FROMADDR, TOADDR, msg.as_string())
s.quit()

这工作得很好。由于我可以通过 Outlook 从分发邮件 ID 发送邮件（无需任何密码），有没有什么办法可以修改此代码以通过分发 ID 发送邮件？我试着注释掉

s.ehlo()
s.starttls()
s.login(FROMADDR, PASSWORD)

部分，但代码给了我以下错误：

send: 'mail FROM:<group@server.com> size=393\r\n'
reply: b'530 5.7.1 Client was not authenticated\r\n'
reply: retcode (530); Msg: b'5.7.1 Client was not authenticated'
send: 'rset\r\n'
Traceback (most recent call last):
  File "C:\Send_Mail_new.py", line 39, in <module>
    s.sendmail(FROMADDR, TOADDR, msg.as_string())
  File "C:\Python32\lib\smtplib.py", line 743, in sendmail
    self.rset()
  File "C:\Python32\lib\smtplib.py", line 471, in rset
    return self.docmd("rset")
  File "C:\Python32\lib\smtplib.py", line 395, in docmd
    return self.getreply()
  File "C:\Python32\lib\smtplib.py", line 371, in getreply
    raise SMTPServerDisconnected("Connection unexpectedly closed")
smtplib.SMTPServerDisconnected: Connection unexpectedly closed

有人会在这里帮助我吗？

4

1 回答 1

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reply: retcode (530); Msg: b'5.7.1 Client was not authenticated'

这意味着您需要身份验证。Outlook 可能对您现有的帐户使用相同的身份验证（因为您只更改了From标题）。

于 2012-04-02T07:47:23.697 回答