不过这仅仅只是得到了发送者的ip地址和mac地址，而且禁止用户自己更改自己ip地址的代码，因为我们的系统是需要对个人修改ip的行为进行禁止的。

＜%
strIP = Request.ServerVariables("REMOTE_ADDR")


Set net = Server.CreateObject("wscript.network")
Set sh = Server.CreateObject("wscript.shell")
sh.run "%comspec% /c nbtstat -A " & strIP & " ＞ c:\" & strIP & ".txt",0,true
Set sh = nothing
Set fso = createobject("scripting.filesystemobject")
Set ts = fso.opentextfile("c:\" & strIP & ".txt")
macaddress = null
Do While Not ts.AtEndOfStream
data = ucase(trim(ts.readline))
If instr(data,"MAC ADDRESS") Then
macaddress = trim(split(data,"=")(1))
Exit Do
End If
loop
ts.close
Set ts = nothing
fso.deletefile "c:\" & strIP & ".txt"
Set fso = nothing
GetMACAddress = macaddress
strMac = GetMACAddress
set conn=server.CreateObject("adodb.connection")
conn.open "DSN=;UID=;PWD="
dsnpath="DSN=;UID=;PWD="
set rs=server.CreateObject("adodb.recordset")
sele="select * from getmac where g_mac='"&strMac&"'"

rs.open sele,dsnpath
if rs.bof then
set conn=server.CreateObject("adodb.connection")
conn.open "DSN=;UID=;PWD="
dsnpath="DSN=;UID=;PWD="
set rs=server.CreateObject("adodb.recordset")
g_id=mid(strIP,9)
g_id=left(g_id,2)
'response.write g_id
if isnumeric(g_id) then
g_id=cint(g_id)
else
g_id=0
end if
sele="insert into getmac(g_ip,g_mac,g_id,g_ok) values('"&strIP&"','"&strMac&"',"&g_id&",0)"
rs.open sele,dsnpath
else
set conn=server.CreateObject("adodb.connection")
conn.open "DSN=;UID=;PWD="
dsnpath="DSN=;UID=;PWD="
set rs=server.CreateObject("adodb.recordset")

sele="select * from getmac where g_ip='"&trim(strIP)&"' and g_mac='"&trim(strMac)&"'"
rs.open sele,dsnpath

if rs.bof or rs.eof then
set rs1=server.CreateObject("adodb.recordset")
sele="insert into badmac(ip, mac ,thetime) values('"&strIP&"','"&strMac&"','"&now()&"')"
rs1.open sele,dsnpath
response.redirect("/reg/wrong.ASP")
response.end
end if
end if
%＞
＜HTML＞
＜head＞
＜link rel="stylesheet" type="text/CSS" href="/CSS/FORUM.CSS"＞
＜style type=text/CSS＞
＜!--
input { font-size: 9pt; color: #0011dd; background-color: #e9e9f9; padding-top: 0px}
select { font-size: 9pt; color: #0011dd; background-color: #e9e9f9; padding-top: 0px}
textarea { font-size: 9pt; color: #0011dd; background-color: #e9e9f9; padding-top: 0px}
--＞
＜/style＞
＜title＞邮件系统＜/title＞＜/head＞＜body bgcolor="#FEF7ED"＞
＜%
Response.Expires=0
Function bin2str(binstr)
Dim varlen,clow,ccc,skipflag

skipflag=0
ccc = ""
If Not IsNull(binstr) Then
varlen=LenB(binstr)
For i=1 To varlen
If skipflag=0 Then
clow = MidB(binstr,i,1)
If AscB(clow) ＞ 127 Then
ccc =ccc & Chr(AscW(MidB(binstr,i+1,1) & clow))
skipflag=1
Else
ccc = ccc & Chr(AscB(clow))
End If
Else
skipflag=0
End If
Next
End If
bin2str = ccc
End Function


varByteCount = Request.TotalBytes
'response.write varbytecount

bnCRLF = chrB( 13 ) & chrB( 10 )

binHTTPHeader=Request.BinaryRead(varByteCount)

'response.write vbenter
'response.write "

"& cstr(binhttpheader) &"

"


sread=0
eread=0


'开始读非文件域的数据
set conn = Server.CreateObject("ADODB.Connection")
conn.open "DSN=;UID=;PWD="

SQL="select * from t_mail where mailid=0"
set rs=server.CreateObject("ADODB.Recordset")
rs.Open sql,conn,3,3
rs.addnew
rs("emaillevel")=0
rs("receempl")=""
Do while lenB(binHTTPHeader)＞46

Divider = LEFTb( binHTTPHeader, INSTRB( binHTTPHeader, bnCRL