邮件退定功能与邮箱地址验证

%function checkisUrl(tmpString) dim c,i checkisUrl = true
tmpString=Lcase(trim(tmpString)) if left(tmpString,7)”” then
tmpString=””&tmpString for i = 8 to Len(checkisUrl) c =
Lcase(Mid(tmpString, i, 1)) if InStr(“abcdefghijklmnopqrstuvwxyz_-.//”,
c) = 0 and not IsNumeric(c) then checkisUrl = false exit function end if
next if Left(tmpString, 1) = “.” or Right(tmpString, 1) = “.” then
checkisUrl = false exit function end if if InStr(tmpString, “.”) = 0
then checkisUrl = false response.Write “f3” exit function end if if
InStr(checkisUrl, “..”) 0 then checkisUrl = false end ifend function%%if
checkisUrl(request(“u”))=true then %恭喜,你的URL通过澳门新葡亰3522平台游戏,!%else
%对不起,你的URL不合乎规范,请重新检查!%end if%

<%
dim email
email=request.form(“email”)
if IsValidEmail(email) then
  if request(“action”)=”退订” then
    response.redirect “del_email.asp?email=”&email
  else
    response.redirect “add_email.asp?email=”&email
  end if
else
  ‘response.write
“无效的电子邮件格式,请按“后退”按钮,重填一个有效的Email”
  response.write”<SCRIPT
language=JavaScript>alert(‘无效的电子邮件格式,请重填一个有效的Email!’);”
  response.write”javascript:history.go(-1)</SCRIPT>”
end if