使用Python發送郵件的demo，可以帶附件。

#!/usr/bin/env python

-- coding: utf-8 --
Author: guojing
Date: 2014-10-23
Purpose: 發送郵件
'''
發送郵件
Parameters：主題、接受者(多個用','分割)、抄送(多個用','分割)、內容(可以是文件)、附件(多個用','分割)
'''
author = 'guojing'
import email,sys,os
import smtplib
from email.MIMEText import MIMEText
from email.MIMEMultipart import MIMEMultipart
from email.MIMEImage import MIMEImage
SENDER = 'username@**.com'
SMTPSERVER = 'smtpcloud.sohu.com'
RECEIVERS = ''
USERNAME = 'username@.com'
APIKEY = '**'
def sendMail(subject, receivers, cc, content, atts):
    msg = MIMEMultipart('related')
    msg['Subject'] = unicode(subject, "UTF-8")
    msg['From'] = SENDER
    msg['To'] = receivers
    msg['Cc'] = cc

#郵件內容
if os.path.isfile(content):
    if(content.split('.')[-1]=='html'):
        cont = MIMEText(open(content).read(),'html','utf-8')
    else:
        cont = MIMEText(open(content).read(),'plain','utf-8')
else:
    cont = MIMEText(content, 'plain','utf-8')
msg.attach(cont)

#構造附件
if atts != -1 and atts != '':
    for att in atts.split(','):
        os.path.isfile(att)
        name = os.path.basename(att)
        att = MIMEText(open(att).read(), 'base64', 'utf-8')
        att["Content-Type"] = 'application/octet-stream'
        #將編碼方式為utf-8的name，轉碼為unicode，然后再轉成gbk(否則，附件帶中文名的話會出現亂碼)
        att["Content-Disposition"] = 'attachment; filename=%s' % name.decode('utf-8').encode('gbk')
        msg.attach(att)

smtp = smtplib.SMTP()
smtp.connect(SMTPSERVER)
smtp.login(USERNAME, APIKEY)
for recev in receivers.split(','):
    smtp.sendmail(SENDER,recev, msg.as_string())
for c in cc.split(','):
    smtp.sendmail(SENDER,c, msg.as_string())
smtp.quit()


def main():
    print "start send mail[sendmail.py]"
    subject = sys.argv[1]
    receivers = sys.argv[2]

#cc = sys.argv[3]
leng = len(sys.argv)
if leng == 3:
    cc = ""
    content = ""
    atts = -1
elif leng == 4:
    print "The parameters is not currect!"
    sys.exit(0)
elif leng == 5:
    cc = sys.argv[3]
    content = sys.argv[4]
    atts = -1
elif leng == 6:
    cc = sys.argv[3]
    content = sys.argv[4]
    atts = sys.argv[5]
sendMail(subject, receivers, cc, content, atts)
print "finish send mail[sendmail.py]"


if name=='main':
    main()</pre></span>參考： 

http://blog.csdn.net/betry/article/details/6657429



來自：http://my.oschina.net/u/553773/blog/349327