Python Email, [Errno 10061] No connection could be made because the target machine actively refused it
<p>I want to send a mail in using python, below is my code, but I got the error 10061 at the end, hope anyone can help me, thanks!</p>

<pre><code>import smtplib
fromaddr = 'XXX@XX.com'
toaddrs  = 'XXX@XX.com    '
msg = 'Why,Oh why!'
username = 'XXXXXX'
password = 'XXXXXX'
server = smtplib.SMTP('smtp.gmail.com:587')
server.ehlo()
server.starttls()
server.login(username,password)
server.sendmail(fromaddr, toaddrs, msg)
server.quit()
</code></pre>

<p>error msg:socket.error: [Errno 10061] No connection could be made because the target machine actively refused it</p>