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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"
      cite="mid:001b01d6c350$c49298b0$4db7ca10$@sltidc.lk">
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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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