用smtplib来登录连接邮箱，发送测试邮件到目标邮件

SMTP.py

# -*- coding:utf-8 -*-
import smtplib

username = "*******@163.com"
password = "*********"

smtp = smtplib.SMTP()  #继承SMTP()的属性
smtp.connect("smtp.163.com","25") #连接服务器和端口
mail_text = """
        From: *******@163.com\r\n
	To: xxxx@gmail.com\r\n
	Subject: This is a email with Python\r\n
	"""

try:
	smtp.login(username,password)
	print "Login sucess!"
except:
	print "Cannot login email, please check your username and password!"

try:
	smtp.sendmail("*******@163.com","xxxx@gmail.com",mail_text)
	smtp.quit()
	print "Sucess!"
except:
	print "cannot send the mail!"