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	<title>Mike@ipHouse Blog &#187; Postfix</title>
	<atom:link href="http://blogs.iphouse.net/mike/tag/postfix/feed/" rel="self" type="application/rss+xml" />
	<link>http://blogs.iphouse.net/mike</link>
	<description>Spewing from the heart</description>
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		<item>
		<title>DNS MX vs IPv4 &amp; IPv6</title>
		<link>http://blogs.iphouse.net/mike/2010/11/dns-mx-vs-ipv4-ipv6/</link>
		<comments>http://blogs.iphouse.net/mike/2010/11/dns-mx-vs-ipv4-ipv6/#comments</comments>
		<pubDate>Fri, 12 Nov 2010 18:50:51 +0000</pubDate>
		<dc:creator>mike</dc:creator>
				<category><![CDATA[Networking]]></category>
		<category><![CDATA[Opinion]]></category>
		<category><![CDATA[Software]]></category>
		<category><![CDATA[Postfix]]></category>

		<guid isPermaLink="false">http://blogs.iphouse.net/mike/?p=434</guid>
		<description><![CDATA[Yesterday &#8211; a very interesting issue cropped up&#8230; Another local provider had email warnings being generated that they could not connect to our frontend MX servers. The error itself was: IPv6 is not supported Which is not very clear for a reason email can not be delivered. I mean, my systems are working fine with <a href="http://blogs.iphouse.net/mike/2010/11/dns-mx-vs-ipv4-ipv6/" class="more-link">More &#62;</a>]]></description>
		<wfw:commentRss>http://blogs.iphouse.net/mike/2010/11/dns-mx-vs-ipv4-ipv6/feed/</wfw:commentRss>
		<slash:comments>1</slash:comments>
		</item>
		<item>
		<title>Shell service available</title>
		<link>http://blogs.iphouse.net/mike/2010/01/shell-service-available/</link>
		<comments>http://blogs.iphouse.net/mike/2010/01/shell-service-available/#comments</comments>
		<pubDate>Sat, 30 Jan 2010 00:16:55 +0000</pubDate>
		<dc:creator>mike</dc:creator>
				<category><![CDATA[Software]]></category>
		<category><![CDATA[Techie]]></category>
		<category><![CDATA[FreeBSD]]></category>
		<category><![CDATA[Postfix]]></category>
		<category><![CDATA[Ubuntu]]></category>
		<category><![CDATA[VMware]]></category>

		<guid isPermaLink="false">http://blogs.iphouse.net/mike/?p=324</guid>
		<description><![CDATA[Been a long week and I had to deal with some red tape internally (of my own creation!), but finally have some working shell service to sell to people who want it. I had posted last week about the issue(s) of shell services and decided that I would do the work to put this kind <a href="http://blogs.iphouse.net/mike/2010/01/shell-service-available/" class="more-link">More &#62;</a>]]></description>
		<wfw:commentRss>http://blogs.iphouse.net/mike/2010/01/shell-service-available/feed/</wfw:commentRss>
		<slash:comments>1</slash:comments>
		</item>
		<item>
		<title>Outbound Email Spam is teh suck</title>
		<link>http://blogs.iphouse.net/mike/2009/07/outbound-email-spam-is-teh-suck/</link>
		<comments>http://blogs.iphouse.net/mike/2009/07/outbound-email-spam-is-teh-suck/#comments</comments>
		<pubDate>Fri, 24 Jul 2009 00:24:19 +0000</pubDate>
		<dc:creator>mike</dc:creator>
				<category><![CDATA[Email]]></category>
		<category><![CDATA[Software]]></category>
		<category><![CDATA[Antispam]]></category>
		<category><![CDATA[ipHouse]]></category>
		<category><![CDATA[Postfix]]></category>

		<guid isPermaLink="false">http://blogs.iphouse.net/mike/?p=223</guid>
		<description><![CDATA[No mispelling, just playing &#8216;new internet lingo&#8217; game.  Did I win? Let&#8217;s get serious&#8230; This week, multiple customer accounts were breached.  Starting approximately 3 weeks ago, a phish was sent out that some of our customers responded to, giving out their account information. We looked through our mail logs and found the users who had <a href="http://blogs.iphouse.net/mike/2009/07/outbound-email-spam-is-teh-suck/" class="more-link">More &#62;</a>]]></description>
		<wfw:commentRss>http://blogs.iphouse.net/mike/2009/07/outbound-email-spam-is-teh-suck/feed/</wfw:commentRss>
		<slash:comments>2</slash:comments>
		</item>
		<item>
		<title>Virtualization and the ISP (part 4)</title>
		<link>http://blogs.iphouse.net/mike/2008/10/virtualization-and-the-isp-part-4/</link>
		<comments>http://blogs.iphouse.net/mike/2008/10/virtualization-and-the-isp-part-4/#comments</comments>
		<pubDate>Mon, 20 Oct 2008 17:44:15 +0000</pubDate>
		<dc:creator>mike</dc:creator>
				<category><![CDATA[Hardware]]></category>
		<category><![CDATA[Opinion]]></category>
		<category><![CDATA[Software]]></category>
		<category><![CDATA[Virtualware]]></category>
		<category><![CDATA[Dell]]></category>
		<category><![CDATA[ESXi]]></category>
		<category><![CDATA[FreeBSD]]></category>
		<category><![CDATA[Postfix]]></category>
		<category><![CDATA[Virtualization]]></category>
		<category><![CDATA[VMware]]></category>

		<guid isPermaLink="false">http://iphouse.com/blogs/mike/?p=25</guid>
		<description><![CDATA[The fun is getting going &#8211; ordered up the 8 servers as listed in the configuration in my blog post from October 4th, 2008 on October 14th, 2008. This will give me 8 host systems and one spare on the shelf (I&#8217;ll be using it for test deployments and such as well). Ship date: October 16th, <a href="http://blogs.iphouse.net/mike/2008/10/virtualization-and-the-isp-part-4/" class="more-link">More &#62;</a>]]></description>
		<wfw:commentRss>http://blogs.iphouse.net/mike/2008/10/virtualization-and-the-isp-part-4/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Virtualization and the ISP (part 3.2)</title>
		<link>http://blogs.iphouse.net/mike/2008/10/virtualization-and-the-isp-part-32/</link>
		<comments>http://blogs.iphouse.net/mike/2008/10/virtualization-and-the-isp-part-32/#comments</comments>
		<pubDate>Fri, 10 Oct 2008 07:54:41 +0000</pubDate>
		<dc:creator>mike</dc:creator>
				<category><![CDATA[Hardware]]></category>
		<category><![CDATA[Software]]></category>
		<category><![CDATA[Virtualware]]></category>
		<category><![CDATA[Dell]]></category>
		<category><![CDATA[ESXi]]></category>
		<category><![CDATA[FreeBSD]]></category>
		<category><![CDATA[Postfix]]></category>
		<category><![CDATA[Virtualization]]></category>
		<category><![CDATA[VMware]]></category>

		<guid isPermaLink="false">http://iphouse.com/blogs/mike/?p=24</guid>
		<description><![CDATA[I measured another system at the office today looking at usage on a 2950 with Energy Smart power supplies, and L series processors (50W each). Idle usage was 2.1A, and when I pushed the system as hard as I could to light up 4 cores the system went to 2.9A of power.  This is .3A <a href="http://blogs.iphouse.net/mike/2008/10/virtualization-and-the-isp-part-32/" class="more-link">More &#62;</a>]]></description>
		<wfw:commentRss>http://blogs.iphouse.net/mike/2008/10/virtualization-and-the-isp-part-32/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Virtualization and the ISP (part 3.1)</title>
		<link>http://blogs.iphouse.net/mike/2008/10/virtualization-and-the-isp-part-31/</link>
		<comments>http://blogs.iphouse.net/mike/2008/10/virtualization-and-the-isp-part-31/#comments</comments>
		<pubDate>Thu, 09 Oct 2008 05:16:32 +0000</pubDate>
		<dc:creator>mike</dc:creator>
				<category><![CDATA[Hardware]]></category>
		<category><![CDATA[Software]]></category>
		<category><![CDATA[Virtualware]]></category>
		<category><![CDATA[Dell]]></category>
		<category><![CDATA[ESXi]]></category>
		<category><![CDATA[FreeBSD]]></category>
		<category><![CDATA[Postfix]]></category>
		<category><![CDATA[Virtualization]]></category>
		<category><![CDATA[VMware]]></category>

		<guid isPermaLink="false">http://iphouse.com/blogs/mike/?p=23</guid>
		<description><![CDATA[Time for some power measurements! ESXi was the hypervisor involved in the tests. System installed, 4 virtuals powered on, but not doing anything: 2.2A @115V System installed, 4 virtuals being installed hitting the I/O system: 2.4A @115V System installed, 4 virtuals pushing 100% CPU each, no tuning: 2.6A @115V While the virtuals were pushing the high CPU <a href="http://blogs.iphouse.net/mike/2008/10/virtualization-and-the-isp-part-31/" class="more-link">More &#62;</a>]]></description>
		<wfw:commentRss>http://blogs.iphouse.net/mike/2008/10/virtualization-and-the-isp-part-31/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Virtualization and the ISP (part 3)</title>
		<link>http://blogs.iphouse.net/mike/2008/10/virtualization-and-the-isp-part-3/</link>
		<comments>http://blogs.iphouse.net/mike/2008/10/virtualization-and-the-isp-part-3/#comments</comments>
		<pubDate>Tue, 07 Oct 2008 22:42:37 +0000</pubDate>
		<dc:creator>mike</dc:creator>
				<category><![CDATA[Hardware]]></category>
		<category><![CDATA[Software]]></category>
		<category><![CDATA[Virtualware]]></category>
		<category><![CDATA[Courier-IMAP]]></category>
		<category><![CDATA[Dell]]></category>
		<category><![CDATA[Dovecot]]></category>
		<category><![CDATA[ESXi]]></category>
		<category><![CDATA[FreeBSD]]></category>
		<category><![CDATA[Postfix]]></category>
		<category><![CDATA[Virtualization]]></category>
		<category><![CDATA[VMware]]></category>

		<guid isPermaLink="false">http://iphouse.com/blogs/mike/?p=19</guid>
		<description><![CDATA[Oh noes, part 3 is upon me and now I must be witty or informative.  I am tired today, so I&#8217;ll try for informative. My PE2900 showed up today and has been put into the rack.  I even have a silly picture of its guts&#8230; Wasn&#8217;t that nice?  Say &#8216;yes&#8217; please, it helps my ego <a href="http://blogs.iphouse.net/mike/2008/10/virtualization-and-the-isp-part-3/" class="more-link">More &#62;</a>]]></description>
		<wfw:commentRss>http://blogs.iphouse.net/mike/2008/10/virtualization-and-the-isp-part-3/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Virtualization and the ISP (part 2)</title>
		<link>http://blogs.iphouse.net/mike/2008/10/virtualization-and-the-isp-part-2/</link>
		<comments>http://blogs.iphouse.net/mike/2008/10/virtualization-and-the-isp-part-2/#comments</comments>
		<pubDate>Sat, 04 Oct 2008 20:15:47 +0000</pubDate>
		<dc:creator>mike</dc:creator>
				<category><![CDATA[Hardware]]></category>
		<category><![CDATA[Software]]></category>
		<category><![CDATA[Virtualware]]></category>
		<category><![CDATA[Dell]]></category>
		<category><![CDATA[ESXi]]></category>
		<category><![CDATA[FreeBSD]]></category>
		<category><![CDATA[Postfix]]></category>
		<category><![CDATA[Virtual Infrastructure]]></category>
		<category><![CDATA[Virtualization]]></category>
		<category><![CDATA[VMware]]></category>
		<category><![CDATA[Xen]]></category>

		<guid isPermaLink="false">http://iphouse.com/blogs/mike/?p=18</guid>
		<description><![CDATA[Ah, the dreaded part 2 of the series. I ordered my test system from Dell on Tuesday, September 30th, 2008, and the box shipped on Thursday, October 2nd, 2008. I am excitedly waiting for it. The box I ordered is to test out the I/O performance for the mail server virtualization, the config is: Quad <a href="http://blogs.iphouse.net/mike/2008/10/virtualization-and-the-isp-part-2/" class="more-link">More &#62;</a>]]></description>
		<wfw:commentRss>http://blogs.iphouse.net/mike/2008/10/virtualization-and-the-isp-part-2/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Postfix and antispam</title>
		<link>http://blogs.iphouse.net/mike/2008/07/postfix-and-antispam/</link>
		<comments>http://blogs.iphouse.net/mike/2008/07/postfix-and-antispam/#comments</comments>
		<pubDate>Tue, 15 Jul 2008 18:42:59 +0000</pubDate>
		<dc:creator>mike</dc:creator>
				<category><![CDATA[Email]]></category>
		<category><![CDATA[Techie]]></category>
		<category><![CDATA[Antispam]]></category>
		<category><![CDATA[Dovecot]]></category>
		<category><![CDATA[Postfix]]></category>

		<guid isPermaLink="false">http://iphouse.com/blogs/mike/?p=3</guid>
		<description><![CDATA[I had originally written this for my personal blog and reposting here with some updates. Wow, there are a lot of bad documentation links out there on the interTRON. For the $ayjob, I have been battling spam for quite some time and continue to look for new ways to put a stop to this abuse. <a href="http://blogs.iphouse.net/mike/2008/07/postfix-and-antispam/" class="more-link">More &#62;</a>]]></description>
		<wfw:commentRss>http://blogs.iphouse.net/mike/2008/07/postfix-and-antispam/feed/</wfw:commentRss>
		<slash:comments>1</slash:comments>
		</item>
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