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</o:shapelayout></xml><![endif]--></head><body bgcolor=white lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Block direct inbound SMTP connections to JNOS. <o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Set up an MX in Linux using all the modern spam avoidance mechanisms dynamic black lists, UBE detection, signature-based detection, etc.) and send all inbound email to JNOS through that mail server using an MX record in DNS. <o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Michael<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>N6MEF<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><div><div style='border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0in 0in 0in'><p class=MsoNormal style='margin-left:.5in'><b><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:windowtext'>From:</span></b><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:windowtext'> nos-bbs-bounces@tapr.org [mailto:nos-bbs-bounces@tapr.org] <b>On Behalf Of </b>Jose Ng Lee<br><b>Sent:</b> Sunday, March 16, 2014 10:55 PM<br><b>To:</b> TAPR xNOS Mailing List<br><b>Subject:</b> [nos-bbs] How to avoid SMTP spam mail in mqueue<o:p></o:p></span></p></div></div><p class=MsoNormal style='margin-left:.5in'><o:p> </o:p></p><div><p class=MsoNormal style='margin-left:.5in'><span style='font-family:"Arial","sans-serif"'>I noticed today my Raspberry Pi Jnos was respawing in every few minutes. So, I checked and found out there was some spam e-mails in mqueue not been able to deliver and causing the system to crash and respawn. Deleted those e-mails and checking the logs and put in blacklist the offender IPs.</span><o:p></o:p></p></div><div><p class=MsoNormal style='margin-left:.5in'> <o:p></o:p></p></div><div><p class=MsoNormal style='margin-left:.5in'><span style='font-family:"Arial","sans-serif"'>I play with 3 Jnos systems:</span><o:p></o:p></p></div><div><p class=MsoNormal style='margin-left:.5in'> <o:p></o:p></p></div><div><p class=MsoNormal style='margin-left:.5in'><span style='font-family:"Arial","sans-serif"'>Main systems PC with Linux Ubuntu 12.04 LTS: onx.hp2at.ampr.org</span><o:p></o:p></p></div><div><p class=MsoNormal style='margin-left:.5in'><span style='font-family:"Arial","sans-serif"'>No spam mail in mqueue.</span><o:p></o:p></p></div><div><p class=MsoNormal style='margin-left:.5in'> <o:p></o:p></p></div><div><p class=MsoNormal style='margin-left:.5in'><span style='font-family:"Arial","sans-serif"'>Raspberry Pi with Raspbian: hp2ng.ampr.org</span><o:p></o:p></p></div><div><p class=MsoNormal style='margin-left:.5in'><span style='font-family:"Arial","sans-serif"'>Few spam mail in mqueue.</span><o:p></o:p></p></div><div><p class=MsoNormal style='margin-left:.5in'> <o:p></o:p></p></div><div><p class=MsoNormal style='margin-left:.5in'><span style='font-family:"Arial","sans-serif"'>PC with Centos 5.9: hp2sa.ampr.org</span><o:p></o:p></p></div><div><p class=MsoNormal style='margin-left:.5in'><span style='font-family:"Arial","sans-serif"'>THOUSANDS of spam mail in mqueue. Don't know how this got through or why it was received in JNOS. The autoexec.nos is the same as my other system.</span><o:p></o:p></p></div><div><p class=MsoNormal style='margin-left:.5in'> <o:p></o:p></p></div><div><p class=MsoNormal style='margin-left:.5in'><span style='font-family:"Arial","sans-serif"'>This is on the message heading on one mail:</span><o:p></o:p></p></div><div><p class=MsoNormal style='margin-left:.5in'> <o:p></o:p></p></div><div><p class=MsoNormal style='margin-left:.5in'><span style='font-family:"Arial","sans-serif"'>Received: from pc-200402271018 by hp2sa.ampr.org (ONXSA BBS) with SMTP<br> id AA24803 ; Thu, 13 Mar 2014 03:17:52 EST<br>From: =?BIG5?B?pWqo5a21vNY=?= <<a href="mailto:springboard@yahoo.com">springboard@yahoo.com</a>><br>To: "awze" <<a href="mailto:awze@awze.com">awze@awze.com</a>><br>Subject:<br> =?BIG5?B?RGlzbmV5qOC1o7nPrtGhQqlfpf2lzaeupHCpaiC1paqpxXao7LTBuc+u0aFCpfq6?=<br> =?BIG5?B?0KRqpViyTaFJ?=<br>Date: Wed, 28 Apr 2004 22:58:06 +0800<br>MIME-Version: 1.0<br>Content-Type: text/html;<br> charset="Big5"<br>Content-Transfer-Encoding: quoted-printable<br>X-Priority: 3<br>X-MSMail-Priority: Normal<br>X-Mailer: Microsoft Outlook Express 6.00.2800.1106<br>X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106<br>Message-Id: <<a href="mailto:24804@hp2sa.ampr.org">24804@hp2sa.ampr.org</a>></span><o:p></o:p></p></div><div><p class=MsoNormal style='margin-left:.5in'><span style='font-family:"Arial","sans-serif"'>Took this JNOS offline until the problem solve.</span><o:p></o:p></p></div><div><p class=MsoNormal style='margin-left:.5in'> <o:p></o:p></p></div><div><p class=MsoNormal style='margin-left:.5in'><span style='font-family:"Arial","sans-serif"'>Please can anyone know a way to deny receiving spam mail in jnos.</span><o:p></o:p></p></div><div><p class=MsoNormal style='margin-left:.5in'> <o:p></o:p></p></div><div><p class=MsoNormal style='margin-left:.5in'><span style='font-family:"Arial","sans-serif"'>Thanks,</span><o:p></o:p></p></div><div><p class=MsoNormal style='margin-left:.5in'><span style='font-family:"Arial","sans-serif"'>José / HP2AT</span><o:p></o:p></p></div></div></body></html>