爲了能夠實現郵件發送功能,首先,我們需要了解一下郵件的發送過程是什麼樣子的,此處不再詳細說明,請大家自行搜索或查看http://www.sogouqa.com/?p=438
在瞭解了郵件的發送過程後,爲了實現郵件的全自動匿名發送,我們需要通過windows的命令行,解析郵件的匿名服務器,然後使用匿名服務器,發送郵件到相應的郵箱
代碼如下:
def _get_mail_exchanger(domain_name,name_server=""):
#print domain_name
temp_file=os.getenv("temp")+"\\temp.lsh"
os.system("nslookup -qt=mx "+domain_name+" "+name_server+" >"+temp_file+" 2>&1")
f=open(temp_file)
c=f.read()
f.close()
os.remove(temp_file)
#print c
internet_addresses_map=_get_internet_address(c)
mail_exchangers=re.findall(r"mail\s+exchanger\s*=\s*(\S+)",c)
#mail_exchangers=[internet_addresses_map.get(i,i) for i in mail_exchangers]
mail_exchangerIPs=[]
for i in mail_exchangers:
try:
mail_exchangerIPs.append(internet_addresses_map[i])
except:
ip=_getIP(i)
if ip:
mail_exchangerIPs.append(ip)
if mail_exchangerIPs or name_server:
print "mail_exchangers",mail_exchangerIPs
return mail_exchangerIPs
else:
print "mail_exchangers from 預配置",g_mail_exchanger.get(domain_name,[])
return g_mail_exchanger.get(domain_name,[])
其中有個函數用於獲取匿名郵箱服務器地址,使用正則分析返回值,代碼如下:
def _get_internet_address(content):
internet_addresses=re.findall(r"(\S+)\s+internet\s+address\s*=\s*(\S+)",content)
internet_addresses_map={}
for internet_address in internet_addresses:
internet_addresses_map[internet_address[0]]=internet_address[1]
return internet_addresses_map
然後,有了地址後,我們需要通過解析出地址的IP,同樣,使用windows命令獲取結果並正則分析獲取IP,代碼如下:
def _getIP(domain_name,name_server=""):
temp_file=os.getenv("temp")+"\\temp.lsh"
os.system("nslookup -qt=a "+domain_name+" "+name_server+" >"+temp_file+" 2>&1")
f=open(temp_file)
c=f.read()
f.close()
os.remove(temp_file)
ips=re.findall(domain_name+r"\s*Address\s*:\s*(\S+)",c,re.I)
if ips:
return ips[0][0]
elif name_server=="":
return _getIP(domain_name,"8.8.8.8")
else:
return None
有了郵箱服務器的IP,剩下的事情就是使用IP去發送郵件了,代碼比較簡單
def _send_to_mail_exchanger(mail_exchanger,mail_from,rcpt_to,From="",To="",Subject="",Date=None,Body="",attachments=None,encoding="gbk"):
import smtplib,email
from email.MIMEMultipart import MIMEMultipart
from email.MIMEText import MIMEText
from email.MIMEImage import MIMEImage
# 構造MIMEMultipart對象做爲根容器
main_msg=email.MIMEMultipart.MIMEMultipart()
# 設置根容器屬性
main_msg['From'] = From
main_msg['To'] = To
main_msg['Subject'] = Subject
if Date:
main_msg['Date'] = Date
else:
main_msg['Date'] = email.Utils.formatdate()
# 構造MIMEText對象做爲郵件顯示內容並附加到根容器
text_msg = email.MIMEText.MIMEText(Body,'html', encoding)
main_msg.attach(text_msg)
# 構造MIMEBase對象做爲文件附件內容並附加到根容器
if attachments:
for attachment in attachments:
if not os.path.isfile(attachment):
continue
if IsImage(attachment):
try:
fp = open(attachment, "rb")
file_msg = MIMEImage(fp.read())
fp.close()
file_msg.add_header("Content-ID", os.path.basename(attachment).replace(".jpg", "").replace(".png", ""))
main_msg.attach(file_msg)
except:
pass
else:
file_msg=email.MIMEBase.MIMEBase("application","octet-stream")
f=open(attachment,'rb')
file_msg.set_payload(f.read())
f.close()
email.Encoders.encode_base64(file_msg)
file_msg.add_header('Content-Disposition','attachment',filename=os.path.basename(attachment))
main_msg.attach(file_msg)
# 用smtp發送郵件
data=main_msg.as_string()
for i in range(2):
try:
Log(mail_exchanger)
server=smtplib.SMTP(mail_exchanger)
Log(mail_from)
Log(rcpt_to)
ret=server.sendmail(mail_from,rcpt_to,data)
break
except:
import traceback
Log(traceback.format_exc())
ret=False
try:
server.quit()
except:
pass
try:
server.quit()
except:
pass
if ret==False or ret:
#print "發往如下的郵件失敗:",rcpt_to
return False
return True
ok,這樣把整個流程整理清楚後,就可以自動發送郵件了
轉載請註明出處:http://blog.csdn.net/sogouauto