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<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D;mso-fareast-language:EN-US">Hi Martin<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D;mso-fareast-language:EN-US"><o:p>&nbsp;</o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D;mso-fareast-language:EN-US">We do not bounce spam (since we do not deliver it), and we do validate recipients before accepting. However we scan
 for multiple backend systems. And let&#8217;s say the system is down or unreachable we can&#8217;t validate the recipient (since we do it live) and have to accept to be on the safe side.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D;mso-fareast-language:EN-US"><o:p>&nbsp;</o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D;mso-fareast-language:EN-US">However even ham generates bounces for a number of reasons. So while we keep the problem to a minimum (about 20-40 mails
 in the outgoing queue at any time, that can&#8217;t be bounced/delivered) I do not think its too bad considering we have about 20k mails per day passing through our system (not counting greylisting mta rbl&#8217;s etc)<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D;mso-fareast-language:EN-US"><o:p>&nbsp;</o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D;mso-fareast-language:EN-US">Med venlig hilsen / Best regards<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D;mso-fareast-language:EN-US">&nbsp;<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D;mso-fareast-language:EN-US">Jonas Akrouh Larsen<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D;mso-fareast-language:EN-US">&nbsp;<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D;mso-fareast-language:EN-US">TechBiz ApS<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D;mso-fareast-language:EN-US">Laplandsgade 4, 2. sal<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D;mso-fareast-language:EN-US">2300 København S<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D;mso-fareast-language:EN-US">&nbsp;<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D;mso-fareast-language:EN-US">Office: 7020 0979<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D;mso-fareast-language:EN-US">Direct: 3336 9974<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D;mso-fareast-language:EN-US">Mobile: 5120 1096<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D;mso-fareast-language:EN-US">Fax:&nbsp;&nbsp;&nbsp; 7020 0978<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D;mso-fareast-language:EN-US">Web:
</span><span style="font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D;mso-fareast-language:EN-US"><a href="http://www.techbiz.dk"><span lang="EN-US" style="color:#0563C1">www.techbiz.dk</span></a></span><span lang="EN-US" style="font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D;mso-fareast-language:EN-US"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D;mso-fareast-language:EN-US"><o:p>&nbsp;</o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D;mso-fareast-language:EN-US"><o:p>&nbsp;</o:p></span></p>
<p class="MsoNormal"><b><span style="font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;">Fra:</span></b><span style="font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;"> mailscanner-bounces@lists.mailscanner.info [mailto:mailscanner-bounces@lists.mailscanner.info]
<b>På vegne af </b>Martin Hepworth<br>
<b>Sendt:</b> 30. april 2013 11:18<br>
<b>Til:</b> MailScanner discussion<br>
<b>Emne:</b> Re: mailscanner &#43; exim release from out queue<o:p></o:p></span></p>
<p class="MsoNormal"><o:p>&nbsp;</o:p></p>
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<p class="MsoNormal">don't bounce emails that are selected as spam, no reason to anyway.<o:p></o:p></p>
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<p class="MsoNormal" style="margin-bottom:12.0pt">Check for valid recipients on inbound at the MTA and use that to reject the connection, using a decent delay on initial connection and use greylisting are all easy reasons to reject at MTA.<o:p></o:p></p>
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<p class="MsoNormal">But after that it can quite a job to process the email for spam/malware so doing post 'acceptance' is still fine IMHO
<o:p></o:p></p>
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<o:p></o:p></p>
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<p class="MsoNormal">-- <br>
Martin Hepworth, CISSP<br>
Oxford, UK<o:p></o:p></p>
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<p class="MsoNormal"><o:p>&nbsp;</o:p></p>
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