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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US">Just gone back over a few months of operation, the CIDR blocks in spam.whitelist.rules did work fine until I added IPv6 into the equation.
<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US">The error I was getting appeared to be the attempt to compare the addresses in the whitelist with the servers own address. (Line 533
of Config.pm) where Net::CIDR ended up comparing an IPv4 block with a single IPv6 address. Naturally it did not work.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US">I have changed the format of my whitelist file to use the format you indicated below and all is well. However the format is very limiting
in terms of managing white lists. <o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US">Thanks anyway.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US">Paul<o:p></o:p></span></p>
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<p class="MsoNormal"><b><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri",sans-serif">From:</span></b><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri",sans-serif"> MailScanner [mailto:mailscanner-bounces+paul=trusted-management.com@lists.mailscanner.info]
<b>On Behalf Of </b>Jerry Benton<br>
<b>Sent:</b> 14 March 2016 15:44<br>
<b>To:</b> MailScanner Discussion <mailscanner@lists.mailscanner.info><br>
<b>Subject:</b> Re: IPv6 and spam.whitelist.rules<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">As far as I know MailScanner does not support CIDR blocks. You would have to use something like this:<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">192.168.1<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">to represent 192.168.1.0/24<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif;color:black"><br>
-<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif;color:black">Jerry Benton<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif;color:black"><a href="http://www.mailborder.com">www.mailborder.com</a><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif;color:black"><o:p> </o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">On Mar 14, 2016, at 11:17 AM, Paul Overton <<a href="mailto:paul@trusted-management.com">paul@trusted-management.com</a>> wrote:<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">Dear All,<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"> <o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">I have recently updated our network to be fully IPv6/IPv4 dual stack operation. Whilst doing this I have updated our MailSanners (x5). Two of them had no issues that other
three failed as below.<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"> <o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">For some time I have occasionally used a whitelist for a whole network, there (for example) I have used a netmask xxx.xxx.xxx.xxx/27 which appeared to work, however when I
updated our systems to use IPv6. MailScanner (Spam Detection) stopped working if email was received in using IPv6. After some debugging it appeared that the reading of the whitelist which is being passed by Mail::CIDR, was erroring with “Invalid Netblock:”.
<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"> <o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">I have re-configured the spam.whitelist.rules file to remove all / notations and all is now working again.<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"> <o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">My systems are based on Slackware Linux, Sendmail (8.15.1) and MailScanner 4.85.2-3. Perl modules up to date.<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"> <o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">Is this expected behaviour, or is this unexpected behaviour, or have I interpreted the whitelist format incorrectly ?<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"> <o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">Regards<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"> <o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">--<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">Paul<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Tahoma",sans-serif"><br>
--<span class="apple-converted-space"> </span><br>
This message has been scanned for viruses and<span class="apple-converted-space"> </span><br>
dangerous content by<span class="apple-converted-space"> </span></span><a href="http://www.trusted-management.com/"><b><span style="font-size:9.0pt;font-family:"Tahoma",sans-serif;color:#954F72">Trusted Management Limited</span></b></a><span style="font-size:9.0pt;font-family:"Tahoma",sans-serif">,
and is<span class="apple-converted-space"> </span><br>
believed to be clean.<span class="apple-converted-space"> </span><br>
<br>
--<span class="apple-converted-space"> </span><br>
MailScanner mailing list<br>
</span><a href="mailto:mailscanner@lists.mailscanner.info"><span style="font-size:9.0pt;font-family:"Tahoma",sans-serif;color:#954F72">mailscanner@lists.mailscanner.info</span></a><span style="font-size:9.0pt;font-family:"Tahoma",sans-serif"><br>
</span><a href="http://lists.mailscanner.info/listinfo/mailscanner"><span style="font-size:9.0pt;font-family:"Tahoma",sans-serif;color:#954F72">http://lists.mailscanner.info/listinfo/mailscanner</span></a><o:p></o:p></p>
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</blockquote>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"><br>
-- <br>
This message has been scanned for viruses and <br>
dangerous content by <a href="http://www.mailscanner.info/"><b>MailScanner</b></a>, and is
<br>
believed to be clean. <o:p></o:p></p>
</div>
<br />--
<br />This message has been scanned for viruses and
<br />dangerous content by
<a href="http://www.trusted-management.com/"><b>Trusted Management Limited</b></a>, and is
<br />believed to be clean.
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