python之smtplib发邮件

第一版： 认证发信，不支持附件

#!/usr/bin/env python
# ---------------------------------------
# author : Geng Jie
# email  : gengjie@outlook.com
#
# Create Time: 2016/3/13 15:21
# ----------------------------------------
import smtplib

# 定义邮件服务器地址以及端口
SMTP_HOST = 'smtp.xxx.com'
SMTP_PORT = '25'
# 定义发件人，密码，收件人
MAIL_USER = 'xxx@xxx.com'
PASSWD = 'xxxxxxx'
MAIL_TO = 'xxxx@xxx.com'
# 定义邮件主题，内容
MAIL_SUB = '测试邮件'
MAIL_CON = '''
Hi, python:

	最近好吗？好久不见.
'''

message = """From: {0}
To: {1}
Subject: {2}
{3}
""".format(MAIL_USER, MAIL_TO, MAIL_SUB, MAIL_CON)

try:
	smtpObj = smtplib.SMTP(SMTP_HOST, SMTP_PORT)
	smtpObj.login(MAIL_USER, PASSWD)
	smtpObj.sendmail(MAIL_USER, MAIL_TO, message.encode('GBK'))
	print('Successfully send email !')
	smtpObj.quit()

except smtplib.SMTPException as e:
	print(e)
	print('Error: unable to send mail !')

　　

第二版，写成模块，可调用使用

 import smtplib
 from email.mime.text import MIMEText
 import socket

 class EasySendmail:
     ''' e = ClassMail.EasySendmail(Port=25, auth=True)
     default smtp port : 25
     # 默认smtp的端口是25,若需要更改则设置port=xxx
     # 默认是认证发信，若要匿名发信则需设置auth=False
     '''
     def __init__(self, port=25, auth=True):
         self.port = port
         self.auth = auth

     @classmethod
     def setmail(cls, host, sender, passwd, mail_to, mail_sub, content):
         '''You must set attr:
         Host : mailServer exp: smtp.163.com
         Sender: mail from user
         Passwd: user passwd
         Mail_to: To user
         Mail_sub: mail subject
         content: message '''

         cls.host = host
         cls.sender = sender
         cls.passwd = passwd
         cls.mail_to = ';'.join(mail_to)
         cls.mail_sub = mail_sub
         cls.content = content

     @property
     def sendmail(self):
         '''sendmail: Start Connect server to send mail .'''
         self.message = """From: {0}
 To: {1}
 MIME-Version: 1.0
 Content-type: text/plain
 Subject: {2}

 {3}
 """.format(self.sender, self.mail_to, self.mail_sub, self.content)

         s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
         s.settimeout(10)
         try:
             s.connect((self.host, self.port))
             # print('Connect {0}:{1} successfuly !'.format(self.host, self.port))
         except Exception:
             print('Error: Can connect {0}:{1} !'.format(self.host, self.port))
         s.close()

         try:
             print(self.auth)
             smtpobj = smtplib.SMTP(self.host, self.port)
             if self.auth is True:
                 smtpobj.login(self.sender, self.passwd)
             smtpobj.sendmail(self.sender, self.mail_to, self.message.encode('GBK'))
             print('Successfully send email !')
             smtpobj.quit()
         except smtplib.SMTPAuthenticationError as error:
             print(error)
             print('认证失败,请核对用户名和密码.')
         except smtplib.SMTPException as error:
             print(error)
             print('Error: unable to send mail !')
         except Exception as e:
             print(e)

调用方法：

 #!/usr/bin/env python
 # ---------------------------------------
 # author : Geng Jie
 # email  : gengjie@outlook.com
 #
 # Create Time: 2016/3/14 13:19
 # ----------------------------------------

 import ClassMail

 if __name__ == '__main__':
     # 初始化实例
     # 默认smtp的端口是25,若需要更改则设置port=xxx
     # 默认是认证发信，若要匿名发信则需设置auth=False
     e = ClassMail.EasySendmail()

     # 定义邮件服务器
     e.host = 'smtp.163.com'
     # 定义发件人
     e.sender = 'xxx@163.com'
     # 定义发件人密码
     e.passwd = '*******'
     # 定义收件人,多个收件人，需用,号隔开
     e.mail_to = ['xxxx@xxx.com']

     # 定义邮件主题
     e.mail_sub = 'EasyMail Test'
     # 定义邮件正文
     e.content = """Hi, Tony:

     How  are you ？
 """
     # 调用发信方法发送信件
     e.sendmail