python_smtplib

import smtplib
smtpserver = 'smtp.qq.com'
fromaddr = '[e-mail]'
toaddrs = '[e-mail]'
msg = 'Subject: This message is automatically sent through the python!'
server = smtplib.SMTP(smtpserver)
server.login(fromaddr, 'password')
server.sendmail(fromaddr, toaddrs, msg)
server.quit()

用python发邮件需要的条件：发送方的邮箱和密码、接收方的邮箱、发送方邮箱服务器、发送信息（发送标题和内容之间用两个换行符分割）。