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<p>Hello Chaminda,</p>
<p>Can you confirm whether the patch worked?<br>
</p>
<div class="moz-cite-prefix">On 11/25/20 12:31 PM, Chaminda
Indrajith wrote:<br>
</div>
<blockquote type="cite"
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<p class="MsoNormal"><span style="color:#1F497D">Shawan,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">Until fix is
released, is there a temporary way for disabling the check
QP DOS<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">Thanks<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">Chaminda
Indrajith<o:p></o:p></span></p>
<p class="MsoNormal"><span style="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"><b>From:</b> MailScanner
<a class="moz-txt-link-rfc2396E" href="mailto:mailscanner-bounces+indrajith=sltidc.lk@lists.mailscanner.info"><mailscanner-bounces+indrajith=sltidc.lk@lists.mailscanner.info></a>
<b>On Behalf Of </b>Chaminda Indrajith<br>
<b>Sent:</b> Wednesday, November 25, 2020 10:42 PM<br>
<b>To:</b> 'Shawn Iverson'
<a class="moz-txt-link-rfc2396E" href="mailto:shawniverson@summitgrid.com"><shawniverson@summitgrid.com></a>; 'MailScanner
Discussion' <a class="moz-txt-link-rfc2396E" href="mailto:mailscanner@lists.mailscanner.info"><mailscanner@lists.mailscanner.info></a><br>
<b>Subject:</b> RE: MailScanner: Suspected QP DOS<o:p></o:p></p>
</div>
</div>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span style="color:#1F497D">Thanks Shawn,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">Awaiting for
your patch.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">Regards<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">Chaminda
Indrajith<o:p></o:p></span></p>
<p class="MsoNormal"><span style="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"><b>From:</b> Shawn Iverson <<a
href="mailto:shawniverson@summitgrid.com"
moz-do-not-send="true">shawniverson@summitgrid.com</a>>
<br>
<b>Sent:</b> Wednesday, November 25, 2020 10:20 PM<br>
<b>To:</b> Chaminda Indrajith <<a
href="mailto:indrajith@sltidc.lk" moz-do-not-send="true">indrajith@sltidc.lk</a>>;
'MailScanner Discussion' <<a
href="mailto:mailscanner@lists.mailscanner.info"
moz-do-not-send="true">mailscanner@lists.mailscanner.info</a>><br>
<b>Subject:</b> Re: MailScanner: Suspected QP DOS<o:p></o:p></p>
</div>
</div>
<p class="MsoNormal"><o:p> </o:p></p>
<p>Thank you for the information, your permissions look good.<span
style="font-size:12.0pt"><o:p></o:p></span></p>
<p>I think I see the problem. There is step on the MIME parsing
in this check that assumes that the email contains a regular
body. This is not always true.<o:p></o:p></p>
<p>I will prepare a patch.<o:p></o:p></p>
<div>
<p class="MsoNormal">On 11/25/20 11:21 AM, Chaminda Indrajith
wrote:<o:p></o:p></p>
</div>
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<p class="MsoNormal"><span style="font-family:"Courier
New ;color:#1F497D",serif">Thanks Shawn, for the
reply. </span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-family:"Courier
New ;color:#1F497D",serif">This happened after the
upgrade from 5.0.3 to the latest. OS is CentOS 7. So, the
directory permission remains unchanged. SELINUX is in
permissive mode. MailScanner runs as user postfix. By the
way, Is there a way of disabling QP DOC Checking? For your
information, here it shows the permissions of
/var/spool/MailScanner</span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D"> </span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-family:"Courier
New ;color:#1F497D",serif">[root@dot ~]# cd
/var/spool/MailScanner/</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-family:"Courier
New ;color:#1F497D",serif">[root@dot MailScanner]# ls
-la</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-family:"Courier
New ;color:#1F497D",serif">total 4</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-family:"Courier
New ;color:#1F497D",serif">drwxr-xr-x. 9 root
root 122 Nov 24 14:40 .</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-family:"Courier
New ;color:#1F497D",serif">drwxr-xr-x. 17 root
root 215 Apr 11 2018 ..</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-family:"Courier
New ;color:#1F497D",serif">drwxrwxr-x. 2 root
mtagroup 6 Nov 4 22:21 archive</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-family:"Courier
New ;color:#1F497D",serif">drwxrwx---. 9 postfix
mtagroup 220 Nov 25 21:41 incoming</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-family:"Courier
New ;color:#1F497D",serif">drwxrwxr-x. 2 postfix
mtagroup 6 Nov 4 22:21 milterin</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-family:"Courier
New ;color:#1F497D",serif">drwxrwxr-x. 2 postfix
mtagroup 6 Nov 4 22:21 milterout</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-family:"Courier
New ;color:#1F497D",serif">drwxrwxr-x. 26 postfix
apache 4096 Nov 25 00:00 quarantine</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-family:"Courier
New ;color:#1F497D",serif">drwxrwx---. 5 postfix
mtagroup 107 Nov 24 14:33 ramdisk_store</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-family:"Courier
New ;color:#1F497D",serif">drwxrwsr-x. 2 postfix
apache 58 Sep 30 08:15 spamassassin</span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D"> </span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-family:"Courier
New ;color:#1F497D",serif">[root@dot MailScanner]# cd
incoming</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-family:"Courier
New ;color:#1F497D",serif">[root@dot incoming]# ls
-la</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-family:"Courier
New ;color:#1F497D",serif">total 308</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-family:"Courier
New ;color:#1F497D",serif">drwxrwx---. 9 postfix
mtagroup 220 Nov 25 21:45 .</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-family:"Courier
New ;color:#1F497D",serif">drwxr-xr-x. 9 root
root 122 Nov 24 14:40 ..</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-family:"Courier
New ;color:#1F497D",serif">drwxrwx---. 2 postfix
mtagroup 40 Nov 25 21:44 3063</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-family:"Courier
New ;color:#1F497D",serif">drwxrwx---. 2 postfix
mtagroup 40 Nov 25 21:44 3225</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-family:"Courier
New ;color:#1F497D",serif">drwxrwx---. 2 postfix
mtagroup 40 Nov 25 21:42 3325</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-family:"Courier
New ;color:#1F497D",serif">drwxrwx---. 4 postfix
mtagroup 160 Nov 25 21:45 3489</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-family:"Courier
New ;color:#1F497D",serif">drwxrwx---. 2 postfix
mtagroup 40 Nov 25 21:41 3526</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-family:"Courier
New ;color:#1F497D",serif">drwxr-xr-x. 2 root
postfix 200 Nov 25 18:31 Locks</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-family:"Courier
New ;color:#1F497D",serif">-rw-------. 1 postfix
postfix 4096 Nov 25 21:45 Processing.db</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-family:"Courier
New ;color:#1F497D",serif">-rw-------. 1 postfix
postfix 310272 Nov 25 21:45 SpamAssassin.cache.db</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-family:"Courier
New ;color:#1F497D",serif">drwxr-xr-x. 2 postfix
root 100 Nov 25 21:45 SpamAssassin-Temp</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-family:"Courier
New ;color:#1F497D",serif"> </span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-family:"Courier
New ;color:#1F497D",serif">[root@dot incoming]# cd
../quarantine/</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-family:"Courier
New ;color:#1F497D",serif">[root@dot quarantine]# ls
-la</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-family:"Courier
New ;color:#1F497D",serif">total 8</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-family:"Courier
New ;color:#1F497D",serif">drwxrwxr-x. 26 postfix
apache 4096 Nov 25 00:00 .</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-family:"Courier
New ;color:#1F497D",serif">drwxr-xr-x. 9 root
root 122 Nov 24 14:40 ..</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-family:"Courier
New ;color:#1F497D",serif">drwxrwx---. 4 postfix
apache 31 Nov 2 23:13 20201102</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-family:"Courier
New ;color:#1F497D",serif">drwxrwx---. 12 postfix
apache 215 Nov 3 15:05 20201103</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-family:"Courier
New ;color:#1F497D",serif">drwxrwx---. 6 postfix
apache 77 Nov 4 08:00 20201104</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-family:"Courier
New ;color:#1F497D",serif">drwxrwx---. 10 postfix
apache 169 Nov 5 20:31 20201105</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-family:"Courier
New ;color:#1F497D",serif">drwxrwx---. 14 postfix
apache 261 Nov 6 18:00 20201106</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-family:"Courier
New ;color:#1F497D",serif">drwxrwx---. 5 postfix
apache 54 Nov 7 01:27 20201107</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-family:"Courier
New ;color:#1F497D",serif">drwxrwx---. 6 postfix
apache 77 Nov 8 10:45 20201108</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-family:"Courier
New ;color:#1F497D",serif">drwxrwx---. 8 postfix
apache 123 Nov 9 15:37 20201109</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-family:"Courier
New ;color:#1F497D",serif"> </span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-family:"Courier
New ;color:#1F497D",serif">[root@dot quarantine]#
groups postfix</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-family:"Courier
New ;color:#1F497D",serif">postfix : postfix mail
mtagroup</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-family:"Courier
New ;color:#1F497D",serif">[root@dot quarantine]#
groups clamav</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-family:"Courier
New ;color:#1F497D",serif">groups: clamav: no such
user</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-family:"Courier
New ;color:#1F497D",serif">[root@dot quarantine]#
groups clamscan</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-family:"Courier
New ;color:#1F497D",serif">clamscan : clamscan
virusgroup mtagroup</span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D"> </span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D"> </span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D">Regards</span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D">Chaminda
Indrajith</span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D"> </span><o:p></o:p></p>
<div>
<div style="border:none;border-top:solid #E1E1E1
1.0pt;padding:3.0pt 0in 0in 0in">
<p class="MsoNormal"><b>From:</b> MailScanner <a
href="mailto:mailscanner-bounces+indrajith=sltidc.lk@lists.mailscanner.info"
moz-do-not-send="true"><mailscanner-bounces+indrajith=sltidc.lk@lists.mailscanner.info></a>
<b>On Behalf Of </b>Shawn Iverson via MailScanner<br>
<b>Sent:</b> Wednesday, November 25, 2020 9:24 PM<br>
<b>To:</b> <a
href="mailto:mailscanner@lists.mailscanner.info"
moz-do-not-send="true">mailscanner@lists.mailscanner.info</a><br>
<b>Cc:</b> Shawn Iverson <a
href="mailto:shawniverson@summitgrid.com"
moz-do-not-send="true"><shawniverson@summitgrid.com></a><br>
<b>Subject:</b> Re: MailScanner: Suspected QP DOS<o:p></o:p></p>
</div>
</div>
<p class="MsoNormal"> <o:p></o:p></p>
<div>
<div>
<p class="MsoNormal">"could not read file" seems to
indicate some form of permissions or access control
problem. Have you double checked permissions on key
folders such as those within /var/spool/MailScanner?<o:p></o:p></p>
</div>
<div>
<p class="MsoNormal"> <o:p></o:p></p>
</div>
</div>
<div>
<p class="MsoNormal">On 11/25/20 3:11 AM, Chaminda Indrajith
wrote:<o:p></o:p></p>
</div>
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<p class="MsoNormal">Hi,<o:p></o:p></p>
<p class="MsoNormal">After upgraded to the latest
MailScanner (5.3.4), some of the read receipts are blocked
by MailScanner.<o:p></o:p></p>
<p class="MsoNormal">It shows the below message in the
MailWatch. Let me know how to allow these read receipts.<o:p></o:p></p>
<p class="MsoNormal"> <o:p></o:p></p>
<p class="MsoNormal">MailScanner: Suspected QP DOS<br>
checks failed<br>
could not read file<o:p></o:p></p>
<p class="MsoNormal"><span
style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:black;background:#EBEBEB"> </span><o:p></o:p></p>
<p class="MsoNormal">Thanks<o:p></o:p></p>
<p class="MsoNormal">Chaminda Indrajith<o:p></o:p></p>
<p class="MsoNormal" style="margin-bottom:12.0pt"><span
style="font-size:12.0pt;font-family:"Times New
Roman ,serif",serif"><br>
<br>
</span><o:p></o:p></p>
<pre> <o:p></o:p></pre>
<pre> <o:p></o:p></pre>
</blockquote>
<div>
<p class="MsoNormal"><span
style="font-size:12.0pt;font-family:"Times New
Roman ,serif",serif">-- <br>
<img id="_x0000_i1025"
src="http://mailserver.summitgrid.org/logo_text_sig.png"
moz-do-not-send="true" border="0"><br>
Shawn Iverson<br>
<a href="mailto:shawniverson@summitgrid.com"
moz-do-not-send="true">shawniverson@summitgrid.com</a></span><o:p></o:p></p>
</div>
</blockquote>
<div>
<p class="MsoNormal"><span
style="font-size:12.0pt;font-family:"Times New
Roman",serif">-- <br>
<img id="_x0000_i1026"
src="http://mailserver.summitgrid.org/logo_text_sig.png"
moz-do-not-send="true" border="0"><br>
Shawn Iverson<br>
<a href="mailto:shawniverson@summitgrid.com"
moz-do-not-send="true">shawniverson@summitgrid.com</a><o:p></o:p></span></p>
</div>
</div>
</blockquote>
<div class="moz-signature">-- <br>
<img src="http://mailserver.summitgrid.org/logo_text_sig.png"><br>
Shawn Iverson<br>
<a class="moz-txt-link-abbreviated" href="mailto:shawniverson@summitgrid.com">shawniverson@summitgrid.com</a><br>
</div>
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