HTTP/1.1 200 OK
Server: Microsoft-IIS/4.0
Content-Location: http://www.bestagent.com/index.htm
Date: Tue, 20 Feb 2001 07:06:14 GMT
Content-Type: text/html
Accept-Ranges: bytes
Last-Modified: Tue, 29 Aug 2000 17:35:22 GMT
ETag: "6eddb82df11c01:58a39"
Example of email sniffing