Python使用poplib模块和smtplib模块收发电子邮件的教程

#-*- encoding: gb2312 -*-
import os, sys, string, socket
import smtplib


class SMTP_SSL (smtplib.SMTP):
  def __init__(self, host='', port=465, local_hostname=None, key=None, cert=None):
    self.cert = cert
    self.key = key
    smtplib.SMTP.__init__(self, host, port, local_hostname)
    
  def connect(self, host='localhost', port=465):
    if not port and (host.find(':') == host.rfind(':')):
      i = host.rfind(':')
      if i >= 0:
        host, port = host[:i], host[i+1:]
        try: port = int(port)
        except ValueError:
          raise socket.error, "nonnumeric port"
    if not port: port = 654
    if self.debuglevel > 0: print>>stderr, 'connect:', (host, port)
    msg = "getaddrinfo returns an empty list"
    self.sock = None
    for res in socket.getaddrinfo(host, port, 0, socket.SOCK_STREAM):
      af, socktype, proto, canonname, sa = res
      try:
        self.sock = socket.socket(af, socktype, proto)
        if self.debuglevel > 0: print>>stderr, 'connect:', (host, port)
        self.sock.connect(sa)
        # 新增加的创建ssl连接
        sslobj = socket.ssl(self.sock, self.key, self.cert)
      except socket.error, msg:
        if self.debuglevel > 0: 
          print>>stderr, 'connect fail:', (host, port)
        if self.sock:
          self.sock.close()
        self.sock = None
        continue
      break
    if not self.sock:
      raise socket.error, msg

    # 设置ssl
    self.sock = smtplib.SSLFakeSocket(self.sock, sslobj)
    self.file = smtplib.SSLFakeFile(sslobj);

    (code, msg) = self.getreply()
    if self.debuglevel > 0: print>>stderr, "connect:", msg
    return (code, msg)
    
if __name__ == '__main__':
  smtp = SMTP_SSL('192.168.2.10')
  smtp.set_debuglevel(1)
  smtp.sendmail("zzz@xxx.com", "zhaowei@zhaowei.com", "xxxxxxxxxxxxxxxxx")
  smtp.quit()