Einfache Implementierung der Funktion zum Senden und Empfangen von E-Mails in Python

self.popHost = 'pop.sina.com' 
self.smtpHost = 'smtp.sina.com' 
self.port = 25 
self.userName = 'xxxxxx@sina.com' 
self.passWord = 'xxxxxx' 
self.bossMail = 'xxxxxx@qq.com'

# 登录邮箱 
def login(self): 
 try: 
  self.mailLink = poplib.POP3_SSL(self.popHost) 
  self.mailLink.set_debuglevel(0) 
  self.mailLink.user(self.userName) 
  self.mailLink.pass_(self.passWord) 
  self.mailLink.list() 
  print u'login success!' 
 except Exception as e: 
  print u'login fail! ' + str(e) 
  quit()

def list(self, which=None): 
 """Request listing, return result. 
 
 Result without a message number argument is in form 
 ['response', ['mesg_num octets', ...], octets]. 
 
 Result when a message number argument is given is a 
 single response: the "scan listing" for that message. 
 """ 
 if which is not None: 
  return self._shortcmd('LIST %s' % which) 
 return self._longcmd('LIST')

# 获取邮件 
def retrMail(self): 
 try: 
  mail_list = self.mailLink.list()[1] 
  if len(mail_list) == 0: 
   return None 
  mail_info = mail_list[0].split(' ') 
  number = mail_info[0] 
  mail = self.mailLink.retr(number)[1] 
  self.mailLink.dele(number) 
 
  subject = u'' 
  sender = u'' 
  for i in range(0, len(mail)): 
   if mail[i].startswith('Subject'): 
    subject = mail[i][9:] 
   if mail[i].startswith('X-Sender'): 
    sender = mail[i][10:] 
  content = {'subject': subject, 'sender': sender} 
  return content 
 except Exception as e: 
  print str(e) 
  return None

def retr(self, which): 
 """Retrieve whole message number 'which'. 
 
 Result is in form ['response', ['line', ...], octets]. 
 """ 
 return self._longcmd('RETR %s' % which)

self.mail_box = smtplib.SMTP(self.smtpHost, self.port) 
self.mail_box.login(self.userName, self.passWord)

# 发送邮件 
def sendMsg(self, mail_body='Success!'): 
 try: 
  msg = MIMEText(mail_body, 'plain', 'utf-8') 
  msg['Subject'] = mail_body 
  msg['from'] = self.userName 
  self.mail_box.sendmail(self.userName, self.bossMail, msg.as_string()) 
  print u'send mail success!' 
 except Exception as e: 
  print u'send mail fail! ' + str(e)

class MIMEText(MIMENonMultipart): 
 """Class for generating text/* type MIME documents.""" 
 
 def __init__(self, _text, _subtype='plain', _charset='us-ascii'): 
  """Create a text/* type MIME document. 
 
  _text is the string for this message object. 
 
  _subtype is the MIME sub content type, defaulting to "plain". 
 
  _charset is the character set parameter added to the Content-Type 
  header. This defaults to "us-ascii". Note that as a side-effect, the 
  Content-Transfer-Encoding header will also be set. 
  """ 
  MIMENonMultipart.__init__(self, 'text', _subtype, 
         **{'charset': _charset}) 
  self.set_payload(_text, _charset)

def sendmail(self, from_addr, to_addrs, msg, mail_options=[], 
    rcpt_options=[]): 
 """This command performs an entire mail transaction. 
 
 The arguments are: 
  - from_addr : The address sending this mail. 
  - to_addrs  : A list of addresses to send this mail to. A bare 
       string will be treated as a list with 1 address. 
  - msg   : The message to send. 
  - mail_options : List of ESMTP options (such as 8bitmime) for the 
       mail command. 
  - rcpt_options : List of ESMTP options (such as DSN commands) for 
       all the rcpt commands.

# -*- coding:utf-8 -*- 
from email.mime.text import MIMEText 
import poplib 
import smtplib 
 
 
class MailManager(object): 
 
 def __init__(self): 
  self.popHost = 'pop.sina.com' 
  self.smtpHost = 'smtp.sina.com' 
  self.port = 25 
  self.userName = 'xxxxxx@sina.com' 
  self.passWord = 'xxxxxx' 
  self.bossMail = 'xxxxxx@qq.com' 
  self.login() 
  self.configMailBox() 
 
 # 登录邮箱 
 def login(self): 
  try: 
   self.mailLink = poplib.POP3_SSL(self.popHost) 
   self.mailLink.set_debuglevel(0) 
   self.mailLink.user(self.userName) 
   self.mailLink.pass_(self.passWord) 
   self.mailLink.list() 
   print u'login success!' 
  except Exception as e: 
   print u'login fail! ' + str(e) 
   quit() 
 
 # 获取邮件 
 def retrMail(self): 
  try: 
   mail_list = self.mailLink.list()[1] 
   if len(mail_list) == 0: 
    return None 
   mail_info = mail_list[0].split(' ') 
   number = mail_info[0] 
   mail = self.mailLink.retr(number)[1] 
   self.mailLink.dele(number) 
 
   subject = u'' 
   sender = u'' 
   for i in range(0, len(mail)): 
    if mail[i].startswith('Subject'): 
     subject = mail[i][9:] 
    if mail[i].startswith('X-Sender'): 
     sender = mail[i][10:] 
   content = {'subject': subject, 'sender': sender} 
   return content 
  except Exception as e: 
   print str(e) 
   return None 
 
 def configMailBox(self): 
  try: 
   self.mail_box = smtplib.SMTP(self.smtpHost, self.port) 
   self.mail_box.login(self.userName, self.passWord) 
   print u'config mailbox success!' 
  except Exception as e: 
   print u'config mailbox fail! ' + str(e) 
   quit() 
 
 # 发送邮件 
 def sendMsg(self, mail_body='Success!'): 
  try: 
   msg = MIMEText(mail_body, 'plain', 'utf-8') 
   msg['Subject'] = mail_body 
   msg['from'] = self.userName 
   self.mail_box.sendmail(self.userName, self.bossMail, msg.as_string()) 
   print u'send mail success!' 
  except Exception as e: 
   print u'send mail fail! ' + str(e) 
 
if __name__ == '__main__': 
 mailManager = MailManager() 
 mail = mailManager.retrMail() 
 if mail != None: 
  print mail 
  mailManager.sendMsg()