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<DIV><FONT size=2 face=Arial>Thanks Michael for the tips on how to protect my
Jnos.</FONT></DIV>
<DIV><FONT size=2 face=Arial></FONT> </DIV>
<DIV><FONT size=2 face=Arial>I could block SMTP (port 25) on the Firewall for
inbound mails to TUN0, but does that block also the good mail 44
route coming fron encap?</FONT></DIV>
<DIV><FONT size=2 face=Arial></FONT> </DIV>
<DIV><FONT size=2 face=Arial>I trying to figure out why my Jnos accepted all
those incoming spam mail. It should have issue an SMTP DENY and not
accepted those emails. Maybe, there is a script somewhere on my CentOS
machine allowing the entrace. So will keep looking.</FONT></DIV>
<DIV><FONT size=2 face=Arial></FONT> </DIV>
<DIV><FONT size=2 face=Arial>José / HP2AT</FONT></DIV>
<DIV><FONT size=2 face=Arial></FONT> </DIV>
<BLOCKQUOTE
style="BORDER-LEFT: #000000 2px solid; PADDING-LEFT: 5px; PADDING-RIGHT: 0px; MARGIN-LEFT: 5px; MARGIN-RIGHT: 0px"
dir=ltr>
<DIV style="FONT: 10pt arial">----- Original Message ----- </DIV>
<DIV
style="FONT: 10pt arial; BACKGROUND: #e4e4e4; font-color: black"><B>From:</B>
<A title=n6mef@mefox.org href="mailto:n6mef@mefox.org">Michael E Fox -
N6MEF</A> </DIV>
<DIV style="FONT: 10pt arial"><B>To:</B> <A title=hp2cwb@cwpanama.net
href="mailto:hp2cwb@cwpanama.net">'Jose Ng Lee'</A> ; <A
title=nos-bbs@tapr.org href="mailto:nos-bbs@tapr.org">'TAPR xNOS Mailing
List'</A> </DIV>
<DIV style="FONT: 10pt arial"><B>Sent:</B> Monday, March 17, 2014 8:28
AM</DIV>
<DIV style="FONT: 10pt arial"><B>Subject:</B> RE: [nos-bbs] How to avoid SMTP
spam mail in mqueue</DIV>
<DIV><BR></DIV>
<DIV class=WordSection1>
<P class=MsoNormal><SPAN
style="FONT-FAMILY: 'Calibri','sans-serif'; COLOR: #1f497d; FONT-SIZE: 11pt">Block
direct inbound SMTP connections to JNOS. <o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN
style="FONT-FAMILY: 'Calibri','sans-serif'; COLOR: #1f497d; FONT-SIZE: 11pt">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-FAMILY: 'Calibri','sans-serif'; COLOR: #1f497d; FONT-SIZE: 11pt"><o:p> </o:p></SPAN></P>
<P class=MsoNormal><SPAN
style="FONT-FAMILY: 'Calibri','sans-serif'; COLOR: #1f497d; FONT-SIZE: 11pt">Michael<o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN
style="FONT-FAMILY: 'Calibri','sans-serif'; COLOR: #1f497d; FONT-SIZE: 11pt">N6MEF<o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN
style="FONT-FAMILY: 'Calibri','sans-serif'; COLOR: #1f497d; FONT-SIZE: 11pt"><o:p> </o:p></SPAN></P>
<P class=MsoNormal><SPAN
style="FONT-FAMILY: 'Calibri','sans-serif'; COLOR: #1f497d; FONT-SIZE: 11pt"><o:p> </o:p></SPAN></P>
<DIV>
<DIV
style="BORDER-BOTTOM: medium none; BORDER-LEFT: medium none; PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; PADDING-RIGHT: 0in; BORDER-TOP: #e1e1e1 1pt solid; BORDER-RIGHT: medium none; PADDING-TOP: 3pt">
<P style="MARGIN-LEFT: 0.5in" class=MsoNormal><B><SPAN
style="FONT-FAMILY: 'Calibri','sans-serif'; COLOR: windowtext; FONT-SIZE: 11pt">From:</SPAN></B><SPAN
style="FONT-FAMILY: 'Calibri','sans-serif'; COLOR: windowtext; FONT-SIZE: 11pt">
<A href="mailto:nos-bbs-bounces@tapr.org">nos-bbs-bounces@tapr.org</A>
[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 style="MARGIN-LEFT: 0.5in" class=MsoNormal><o:p> </o:p></P>
<DIV>
<P style="MARGIN-LEFT: 0.5in" class=MsoNormal><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 style="MARGIN-LEFT: 0.5in" class=MsoNormal> <o:p></o:p></P></DIV>
<DIV>
<P style="MARGIN-LEFT: 0.5in" class=MsoNormal><SPAN
style="FONT-FAMILY: 'Arial','sans-serif'">I play with 3 Jnos
systems:</SPAN><o:p></o:p></P></DIV>
<DIV>
<P style="MARGIN-LEFT: 0.5in" class=MsoNormal> <o:p></o:p></P></DIV>
<DIV>
<P style="MARGIN-LEFT: 0.5in" class=MsoNormal><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 style="MARGIN-LEFT: 0.5in" class=MsoNormal><SPAN
style="FONT-FAMILY: 'Arial','sans-serif'">No spam mail in
mqueue.</SPAN><o:p></o:p></P></DIV>
<DIV>
<P style="MARGIN-LEFT: 0.5in" class=MsoNormal> <o:p></o:p></P></DIV>
<DIV>
<P style="MARGIN-LEFT: 0.5in" class=MsoNormal><SPAN
style="FONT-FAMILY: 'Arial','sans-serif'">Raspberry Pi with Raspbian:
hp2ng.ampr.org</SPAN><o:p></o:p></P></DIV>
<DIV>
<P style="MARGIN-LEFT: 0.5in" class=MsoNormal><SPAN
style="FONT-FAMILY: 'Arial','sans-serif'">Few spam mail in
mqueue.</SPAN><o:p></o:p></P></DIV>
<DIV>
<P style="MARGIN-LEFT: 0.5in" class=MsoNormal> <o:p></o:p></P></DIV>
<DIV>
<P style="MARGIN-LEFT: 0.5in" class=MsoNormal><SPAN
style="FONT-FAMILY: 'Arial','sans-serif'">PC with Centos 5.9:
hp2sa.ampr.org</SPAN><o:p></o:p></P></DIV>
<DIV>
<P style="MARGIN-LEFT: 0.5in" class=MsoNormal><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 style="MARGIN-LEFT: 0.5in" class=MsoNormal> <o:p></o:p></P></DIV>
<DIV>
<P style="MARGIN-LEFT: 0.5in" class=MsoNormal><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 style="MARGIN-LEFT: 0.5in" class=MsoNormal> <o:p></o:p></P></DIV>
<DIV>
<P style="MARGIN-LEFT: 0.5in" class=MsoNormal><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 style="MARGIN-LEFT: 0.5in" class=MsoNormal><SPAN
style="FONT-FAMILY: 'Arial','sans-serif'">Took this JNOS offline until the
problem solve.</SPAN><o:p></o:p></P></DIV>
<DIV>
<P style="MARGIN-LEFT: 0.5in" class=MsoNormal> <o:p></o:p></P></DIV>
<DIV>
<P style="MARGIN-LEFT: 0.5in" class=MsoNormal><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 style="MARGIN-LEFT: 0.5in" class=MsoNormal> <o:p></o:p></P></DIV>
<DIV>
<P style="MARGIN-LEFT: 0.5in" class=MsoNormal><SPAN
style="FONT-FAMILY: 'Arial','sans-serif'">Thanks,</SPAN><o:p></o:p></P></DIV>
<DIV>
<P style="MARGIN-LEFT: 0.5in" class=MsoNormal><SPAN
style="FONT-FAMILY: 'Arial','sans-serif'">José /
HP2AT</SPAN><o:p></o:p></P></DIV></DIV></BLOCKQUOTE></BODY></HTML>