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	<title>PostfixMail.com &#187; Security</title>
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	<description>Postfix Mail Server Training and Consulting</description>
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		<title>Blocking Zombie Spam Netblocks</title>
		<link>http://postfixmail.com/blog/index.php/blocking-zombie-spam-netblocks/</link>
		<comments>http://postfixmail.com/blog/index.php/blocking-zombie-spam-netblocks/#comments</comments>
		<pubDate>Sun, 30 Nov 2008 15:05:33 +0000</pubDate>
		<dc:creator>mike</dc:creator>
				<category><![CDATA[Security]]></category>
		<category><![CDATA[block spam]]></category>
		<category><![CDATA[block zombies]]></category>
		<category><![CDATA[iptables firewall]]></category>

		<guid isPermaLink="false">http://postfixmail.com/blog/?p=322</guid>
		<description><![CDATA[There are network subnets that have been taken over by Spammers and run by bots.  These networks are recorded and documented by Spamhaus and provide you a quick way to modify your firewall to eliminate these know blocks of Spam.  You will need to have an iptables firewall and add this section to the firewall [...]]]></description>
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		<title>Monitoring Postfix with Nagios 3</title>
		<link>http://postfixmail.com/blog/index.php/monitoring-postfix-with-nagios-3/</link>
		<comments>http://postfixmail.com/blog/index.php/monitoring-postfix-with-nagios-3/#comments</comments>
		<pubDate>Fri, 28 Nov 2008 10:43:05 +0000</pubDate>
		<dc:creator>mike</dc:creator>
				<category><![CDATA[Security]]></category>
		<category><![CDATA[monitor postfix]]></category>
		<category><![CDATA[nagios monitoring]]></category>
		<category><![CDATA[postfix]]></category>
		<category><![CDATA[Postfix Training]]></category>

		<guid isPermaLink="false">http://postfixmail.com/blog/?p=319</guid>
		<description><![CDATA[When you set up Postfix it is a critical service for your organization.  It is important that you set up a way to verify that the mail server is up and running.  Nagios 3 provides an easy set up to allow you to monitor your mail server.  This tutorial  will help you understand how to [...]]]></description>
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		<title>Blocking Country Attacks</title>
		<link>http://postfixmail.com/blog/index.php/blocking-country-attacks/</link>
		<comments>http://postfixmail.com/blog/index.php/blocking-country-attacks/#comments</comments>
		<pubDate>Fri, 07 Nov 2008 10:11:36 +0000</pubDate>
		<dc:creator>mike</dc:creator>
				<category><![CDATA[Security]]></category>
		<category><![CDATA[postfix firewall]]></category>
		<category><![CDATA[postfix security]]></category>
		<category><![CDATA[Postfix Training]]></category>

		<guid isPermaLink="false">http://postfixmail.com/blog/?p=288</guid>
		<description><![CDATA[I recently checked mail stats on a server and discovered that 71% of the mail that the server handled was rejected. That means the server lost 71% of it&#8217;s total resources to connections that were either malicious in nature or intended to solicit resources from individuals.  As a result I have gone into a campaign [...]]]></description>
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		<slash:comments>3</slash:comments>
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		<title>AppArmor Templates for Postfix</title>
		<link>http://postfixmail.com/blog/index.php/apparmor-templates-for-postfix/</link>
		<comments>http://postfixmail.com/blog/index.php/apparmor-templates-for-postfix/#comments</comments>
		<pubDate>Fri, 10 Oct 2008 01:13:45 +0000</pubDate>
		<dc:creator>mike</dc:creator>
				<category><![CDATA[Security]]></category>
		<category><![CDATA[apparmor]]></category>
		<category><![CDATA[Postfix Mail Server]]></category>
		<category><![CDATA[postfix security]]></category>
		<category><![CDATA[Ubuntu postfix]]></category>

		<guid isPermaLink="false">http://postfixmail.com/blog/?p=240</guid>
		<description><![CDATA[Using Pre-Built Templates Add the pre-built templates for Postfix. sudo apt-get install apparmor-profiles This will load many pre-built templates that you can use. cd /usr/share/doc/apparmor-profiles/extras Now copy all of the Postfix related profiles into /etc/apparmor.d/. sudo cp usr.sbin.post* /etc/apparmor.d/ sudo cp usr.lib.post* /etc/apparmor.d/ Restart your the AppArmor daemon. sudo /etc/init.d/apparmor restart Now check the number [...]]]></description>
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		<title>Protecting Postfix with AppArmor</title>
		<link>http://postfixmail.com/blog/index.php/protecting-postfix-with-apparmor/</link>
		<comments>http://postfixmail.com/blog/index.php/protecting-postfix-with-apparmor/#comments</comments>
		<pubDate>Thu, 09 Oct 2008 10:21:08 +0000</pubDate>
		<dc:creator>mike</dc:creator>
				<category><![CDATA[Security]]></category>
		<category><![CDATA[apparmor on postfix]]></category>
		<category><![CDATA[postfix]]></category>
		<category><![CDATA[Postfix Mail Server]]></category>
		<category><![CDATA[postfix Ubuntu]]></category>

		<guid isPermaLink="false">http://postfixmail.com/blog/?p=237</guid>
		<description><![CDATA[If you are using Postfix on a server that supports AppArmor like Suse, Debian, Ubuntu, etc., you can use AppArmor to protect Postfix.   AppArmor attempts to protect processes on the server or desktop from security threats.  AppArmor enforces limits on what processes can access on the system.  It attempts to restrict processes to those resources [...]]]></description>
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		<slash:comments>0</slash:comments>
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