yes ,you are right ,thank you very much i see the log in mysql log like this
2851 webmaster 12345 sve-tech.com webmaster 59.40.27.78 vchkpw-smtp: password fail (pass: '12345') webmast... 1168331134 3 2852 webmaster 123456 sve-tech.com webmaster 59.40.27.78 vchkpw-smtp: password fail (pass: '123456') webmas... 1168342700 3 2853 webmaster 12345 sve-tech.com webmaster 59.40.27.78 vchkpw-smtp: password fail (pass: '12345') webmast... 1168342708 3 2854 webmaster 123456 sve-tech.com webmaster 59.40.27.78 vchkpw-smtp: password fail (pass: '123456') webmas... 1168344724 3 2855 webmaster 12345 sve-tech.com webmaster 59.40.27.78 vchkpw-smtp: password fail (pass: '12345') webmast... 1168344732 3 2856 webmaster 123456 sve-tech.com webmaster 59.40.27.78 vchkpw-smtp: password fail (pass: '123456') webmas... 1168346732 3 2857 webmaster 12345 sve-tech.com webmaster 59.40.27.78 vchkpw-smtp: password fail (pass: '12345') webmast... 1168346745 3 2858 webmaster 123456 sve-tech.com webmaster 59.40.27.78 vchkpw-smtp: password fail (pass: '123456') webmas... 1168348947 3 2859 webmaster 12345 sve-tech.com webmaster 59.40.27.78 vchkpw-smtp: password fail (pass: '12345') webmast... 1168348956 3 2860 webmaster 123456 sve-tech.com webmaster 59.40.27.78 vchkpw-smtp: password fail (pass: '123456') webmas... 1168351121 3 2861 webmaster 12345 sve-tech.com webmaster 59.40.27.78 vchkpw-smtp: password fail (pass: '12345') webmast... 1168351130 3 2862 webmaster 123456 sve-tech.com webmaster 59.40.27.78 vchkpw-smtp: password fail (pass: '123456') webmas... 1168353178 3 2863 webmaster 12345 sve-tech.com webmaster 59.40.27.78 vchkpw-smtp: password fail (pass: '12345') webmast... 1168353187 3 2864 webmaster 123456 sve-tech.com webmaster 59.40.27.78 vchkpw-smtp: password fail (pass: '123456') webmas... 1168355243 3 2865 webmaster 12345 sve-tech.com webmaster 59.40.27.78 vchkpw-smtp: password fail (pass: '12345') webmast... 1168355251 3 2866 webmaster 123456 sve-tech.com webmaster 59.40.27.78 vchkpw-smtp: password fail (pass: '123456') webmas... 1168357372 3 2867 webmaster 12345 sve-tech.com webmaster 59.40.27.78 vchkpw-smtp: password fail (pass: '12345') webmast... 1168357381 3 2868 webmaster 123456 sve-tech.com webmaster 59.40.27.78 vchkpw-smtp: password fail (pass: '123456') webmas... 1168359395 3 2869 webmaster 12345 sve-tech.com webmaster 59.40.27.78 vchkpw-smtp: password fail (pass: '12345') webmast... 1168359404 3 2870 webmaster 123456 sve-tech.com webmaster 59.40.27.78 vchkpw-smtp: password fail (pass: '123456') webmas... 11683612 now i change the passwd of webmaster ,i think the problem will be OK now ----- Original Message ----- From: "Matthew Walker" <[EMAIL PROTECTED]> To: <toaster@shupp.org> Sent: Wednesday, January 10, 2007 12:13 AM Subject: Re: [toaster] Problem with an open relay > > On Tue, January 9, 2007 4:44 am, [EMAIL PROTECTED] wrote: >> but we see message header ,we can see any valid username ,but we see the >> From HEADER is ""168.1.49.97dgrrtgr" <>" and no [EMAIL PROTECTED]""""" >> >> >> Return-Path: <> >> Received: (qmail 10514 invoked by uid 89); 8 Jan 2007 01:04:33 -0000 >> Received: by simscan 1.2.0 ppid: 10447, pid: 10511, t: 0.2801s >> scanners: attach: 1.2.0 clamav: 0.88.7/m:41/d:2352 >> Received: from unknown (HELO winxp) ([EMAIL PROTECTED]) >> by 0 with ESMTPA; 8 Jan 2007 01:04:33 -0000 >> From: "168.1.49.97dgrrtgr" <> >> Subject: =?GB2312?B?yeixuM6s0N653MDt?= >> To: [EMAIL PROTECTED] >> Content-Type: text/plain >> MIME-Version: 1.0 >> Content-Transfer-Encoding: base64 >> Date: Mon, 8 Jan 2007 09:08:40 +0800 >> > > Headers are NOT reliable. Once a client has authenticated with a valid > username and password, they can say whatever they want about who they are > for the rest of the conversation. > > Seriously, you have a compromised account, or a user who is intentionally > spamming through your server. Shut them down. > > -- > Matthew Walker > Kydance Hosting & Consulting > LAMP Specialist >