由于我經(jīng)常需要備份文件夾下的內(nèi)容到郵件里面，每個打開郵件，上傳文件，發(fā)送，太過麻煩，其實每次發(fā)送的文件都是放在固定置的，只是郵件標題不同而已，于是用 python 為自己寫了個發(fā)送文件到郵箱的小工具，在任意目錄下執(zhí)行該腳本，并指定郵件標，就將指定文件夾下的文件發(fā)送到郵箱中備份起來。

#!/usr/bin/env python
# coding: utf-8

from smtplib import SMTP, quotedata, CRLF, SMTPDataError
from email.MIMEMultipart import MIMEMultipart
from email.MIMEBase import MIMEBase
from email.MIMEText import MIMEText
from email import Encoders
from sys import stderr, stdout
import os
import sys

class ExtendedSMTP(SMTP):
  def data(self, msg):
    self.putcmd("data")
    (code,repl)=self.getreply()
    if self.debuglevel > 0 : print >> stderr, "data:", (code, repl)
    if code != 354:
      raise SMTPDataError(code,repl)
    else:
      q = quotedata(msg)
      if q[-2:] != CRLF:
        q = q + CRLF
      q = q + "." + CRLF

      # begin modified send code
      chunk_size = 2048
      bytes_sent = 0

      while bytes_sent != len(q):
        chunk = q[bytes_sent:bytes_sent+chunk_size]
        self.send(chunk)
        bytes_sent += len(chunk)
        if hasattr(self, "callback"):
          self.callback(bytes_sent, len(q))
      # end modified send code

      (code,msg)=self.getreply()
      if self.debuglevel >0 : print>>stderr, "data:", (code,msg)
      return (code,msg)

def callback(progress, total):
  percent = 100. * progress / total
  stdout.write('\r')
  stdout.write("%s bytes sent of %s [%2.0f%%]" % (progress, total, percent))
  stdout.flush()
  if percent >= 100: stdout.write('\n')

def sendmail(subject):
  MAIL_FROM = 'mymail@qq.com'
  MAIL_TO = ['mymail@qq.com']
  BAK_DIR = '/path/to/bak/folder'

  msg = MIMEMultipart()
  msg['From'] = MAIL_FROM
  msg['Subject'] = subject

  msg.attach( MIMEText('test send attachment') )
  for filename in os.listdir(BAK_DIR):
    part = MIMEBase('application', "octet-stream")
    part.set_payload(open(os.path.join(BAK_DIR, filename),"rb").read() )
    Encoders.encode_base64(part)
    part.add_header('Content-Disposition', 'attachment; filename="%s"' % os.path.basename(filename))
    msg.attach(part)

  try:
    smtp = ExtendedSMTP()
    smtp.callback = callback
    smtp.connect('smtp.qq.com', 25)
    smtp.login('mymail', 'mypwd')
    smtp.sendmail(MAIL_FROM, MAIL_TO, msg.as_string())
    smtp.close()
    os.system('rm -f %s/*' % BAK_DIR)
  except Exception, e:
    print e

if __name__ == '__main__':
  if len(sys.argv) == 1:
    print 'Please specific a subject'
    print 'Usage: send_files <MAIL_SUBJECT>'
  else:
    sendmail(sys.argv[1])

安裝：

配置好收件人，發(fā)件人，smtp地址，用戶名，密碼及要發(fā)送文件所在的路徑。

將文件保存為 send_files，保存到 /usr/bin 下面。

然后設(shè)置文件權(quán)限為可執(zhí)行：