That's great guys, I'm just not sure now how to mark both answers as the answer

<div>T 20120616 030519 4fd8afc4 Connection from 114.42.136.230</div><div>T 20120616 030519 4fd8afc4 GET http://www.scanproxy.com:80/p-25.html HTTP/1.0</div><div>T 20120616 030519 4fd8afc4 Content-Type: text/html</div><div>T 20120616 030519 4fd8afc4 Proxy-Connection: keep-alive</div><div>T 20120616 030519 4fd8afc4 Host: www.scanproxy.com</div><div>T 20120616 030519 4fd8afc4 Accept: image/gif, image/x-xbitmap, image/jpeg, image/pjpeg, application/vnd.ms-powerpoint, application/vnd.ms-excel, application/msword, application/x-shockwave-flash, */*</div><div>T 20120616 030519 4fd8afc4 Accept-Language: en-us</div><div>T 20120616 030519 4fd8afc4 User-Agent: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; KuKu 0.65)</div><div>T 20120616 030519 4fd8afc4 Connection closed with 114.42.136.230, 0 sec. elapsed.</div><div> </div><div>The above connection was closed with error 554 - too many bad or unrecognized SMTP commands.</div><div>(you can see a screenshot from "connection history" here: <a href="http://cashcashjonny.vacau.com/mercury_1.png">http://cashcashjonny.vacau.com/mercury_1.png</a> ) </div><div> </div><div>Can somebody tell me about the 'GET' command and/or anything about this connection please. </div><div>I have done an open relay test here: <a href="http://www.mailradar.com/openrelay/">http://www.mailradar.com/openrelay/</a> and passed all of their checks and I'm curious about this logged connection and wonder if I should worry.</div><div> </div><div>Thanks. </div>

<p>That's a HTTP session that is meant for a web server, not a mail server. Mail servers use the SMTP protocol and won't understand HTTP.</p><p>/Rolf </p>

<P>[quote user="Kevin Hastings"]I have done an open relay test here: mailradar and passed all of their checks and I'm curious about this logged connection and wonder if I should worry.[/quote]</P> <P>Don't worry - it's just a Chinese IP address scanning yours for an open proxy.  Happens from time to time on most mail servers.</P>