尝试使用python sendmail发送电子邮件时出现错误。这是我的python代码:(Pas d'objet)
#! /usr/bin/python
import smtplib
from email.mime.multipart import MIMEMultipart
from email.mime.text import MIMEText
# me == my email address
# you == recipient's email address
me = "my@email.com"
you = "email@gmail.com"
# Create message container - the correct MIME type is multipart/alternative.
msg = MIMEMultipart('alternative')
msg['Subject'] = "Link"
msg['From'] = me
msg['To'] = you
# Create the body of the message (a plain-text and an HTML version).
text = "Hi!\nHow are you?\nHere is the link you wanted:\nhttp://www.python.org"
html = """\
<html>
<head></head>
<body>
<p>Hi!<br>
How are you?<br>
Here is the <a href="[http://www.python.org">link</a]http://www.python.org">link</a> you wanted.
</p>
</body>
</html>
"""
# Record the MIME types of both parts - text/plain and text/html.
part1 = MIMEText(text, 'plain')
part2 = MIMEText(html, 'html')
# Attach parts into message container.
# According to RFC 2046, the last part of a multipart message, in this case
# the HTML message, is best and preferred.
msg.attach(part1)
msg.attach(part2)
# Send the message via local SMTP server.
s = smtplib.SMTP('localhost')
# sendmail function takes 3 arguments: sender's address, recipient's address
# and message to send - here it is sent as one string.
s.sendmail(me, you, msg.as_string())
s.quit()
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发送此电子邮件时,出现以下错误:
Traceback (most recent call last):
File "./mail.py", line 47, in <module>
s.sendmail(me, you, msg.as_string())
File "/usr/lib/python2.7/smtplib.py", line 747, in sendmail
raise SMTPRecipientsRefused(senderrs)
smtplib.SMTPRecipientsRefused: {'email@gmail.com': (454, '4.7.1 <email@gmail.com>: Relay access denied')}
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我真的不知道为什么这在生产环境中不起作用,因为它在测试环境中起作用。您能帮忙了解一下吗?
该Relay access denied消息很重要:听起来您已成功建立 SMTP 连接(在localhost示例代码中),但该计算机拒绝接受该消息:您可能需要调整,
localhostlocalhost您的代码以您的邮件服务器接受的方式发送电子邮件。特别注意,发送到端口 25(SMTP 的默认端口)的邮件通常用于传入电子邮件。在您的情况下,您希望邮件服务器接受消息并将其发送到其他地方(“中继”,因此是错误消息)。看来您的邮件服务器(localhost此处)未设置为接受非本地域的消息...至少不是在端口 25 上。
SMTP 的另一个重要用途是“邮件提交”,这通常设置在不同的端口上(通常为 587,如果 SSL 加密则为 465)。在命令行使用telnet看看是否是这种情况;还可以用来EHLO <some_hostname>查看服务器提供的内容(您的问题感兴趣的是AUTH和STARTTLS),如果它在端口上响应,例如,
$ telnet localhost 587
Trying 127.0.0.1...
Connected to localhost.
Escape character is '^]'.
220 localhost.example.org ESMTP Postfix (Ubuntu)
ehlo localhost.example.org
250-localhost.example.org
250-VARIOUS_FEATURES_ON_LINES_LIKE_THIS
250-STARTTLS
250-AUTH LOGIN PLAIN
250-AUTH=LOGIN PLAIN
QUIT
221 2.0.0 Bye
Connection closed by foreign host.
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对端口 25 也执行此操作并比较结果:这应该为您提供有关如何继续的线索 - 例如,也许您需要AUTH,或使用端口 587,或者您可能需要调整您的 ( localhost) 邮件服务器配置,以便它充当“smarthost”将电子邮件转发到“网络”。
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