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	<title>PostfixMail.com</title>
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	<link>http://postfixmail.com/blog</link>
	<description>Postfix Mail Server Training and Consulting</description>
	<lastBuildDate>Fri, 09 Dec 2011 17:11:03 +0000</lastBuildDate>
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		<title>Scan Spam for Legitimate Mail</title>
		<link>http://postfixmail.com/blog/index.php/scan-spam-for-legitimate-mail/</link>
		<comments>http://postfixmail.com/blog/index.php/scan-spam-for-legitimate-mail/#comments</comments>
		<pubDate>Fri, 09 Dec 2011 17:11:03 +0000</pubDate>
		<dc:creator>mike</dc:creator>
				<category><![CDATA[Spam Control]]></category>
		<category><![CDATA[spam]]></category>

		<guid isPermaLink="false">http://postfixmail.com/blog/?p=1050</guid>
		<description><![CDATA[Checking for Legitimate Mail in the Spam Folder One of the major issues as a mail administrator is trying to determine if legitimate mail was actually sent to the spam folder.  So one the ways to verify that issue is to scan the spam contents for legitimate terms.  The first problem that you will see [...]]]></description>
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		<slash:comments>0</slash:comments>
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		<item>
		<title>Adjusting Your Spam Rules</title>
		<link>http://postfixmail.com/blog/index.php/adjusting-your-spam-rules/</link>
		<comments>http://postfixmail.com/blog/index.php/adjusting-your-spam-rules/#comments</comments>
		<pubDate>Wed, 23 Nov 2011 15:45:17 +0000</pubDate>
		<dc:creator>mike</dc:creator>
				<category><![CDATA[Spam Control]]></category>
		<category><![CDATA[spamassassin]]></category>

		<guid isPermaLink="false">http://postfixmail.com/blog/?p=1034</guid>
		<description><![CDATA[Adjusting Spamassassin Rules In this example the headers from 4 emails are captured and used to help adjust rules that have allowed email that needs to be eliminated, so rule adjustments need to be made. First do some research on what the rules mean so that you are not adjusting rules that could potentially cause [...]]]></description>
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		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Sending non-FQDN Mail to Your Mail Server</title>
		<link>http://postfixmail.com/blog/index.php/sending-non-fqdn-mail-to-your-mail-server/</link>
		<comments>http://postfixmail.com/blog/index.php/sending-non-fqdn-mail-to-your-mail-server/#comments</comments>
		<pubDate>Mon, 07 Nov 2011 18:45:22 +0000</pubDate>
		<dc:creator>mike</dc:creator>
				<category><![CDATA[Mail Server Basics]]></category>
		<category><![CDATA[FQDN]]></category>

		<guid isPermaLink="false">http://postfixmail.com/blog/?p=1025</guid>
		<description><![CDATA[Sending Mail from Server Scripts Often when an administrator tries to send the results of a script from a server to a user on the mail server for the company the email is rejected. One of the reasons this happens is that the server that is sending the mail does not have a Fully Qualified [...]]]></description>
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		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Installing Dovecot 2 on CentOS</title>
		<link>http://postfixmail.com/blog/index.php/installing-dovecot-2-on-centos/</link>
		<comments>http://postfixmail.com/blog/index.php/installing-dovecot-2-on-centos/#comments</comments>
		<pubDate>Wed, 23 Mar 2011 14:08:00 +0000</pubDate>
		<dc:creator>mike</dc:creator>
				<category><![CDATA[Dovecot]]></category>

		<guid isPermaLink="false">http://postfixmail.com/blog/?p=1019</guid>
		<description><![CDATA[Dovecot version 2 has been available for some time but it may not be in the repositories for CentOS for a long time to come.  This tutorial will show you how to perform a basic install of Dovecot version 2 and get it working for one domain...other tutorials will follow with addtional configurations.]]></description>
		<wfw:commentRss>http://postfixmail.com/blog/index.php/installing-dovecot-2-on-centos/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
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		<title>Bot Connection Attempts to Postfix</title>
		<link>http://postfixmail.com/blog/index.php/bot-connection-attempts-to-postfix/</link>
		<comments>http://postfixmail.com/blog/index.php/bot-connection-attempts-to-postfix/#comments</comments>
		<pubDate>Mon, 21 Feb 2011 18:18:13 +0000</pubDate>
		<dc:creator>mike</dc:creator>
				<category><![CDATA[Filters]]></category>
		<category><![CDATA[anvil]]></category>
		<category><![CDATA[logs]]></category>

		<guid isPermaLink="false">http://postfixmail.com/blog/?p=1014</guid>
		<description><![CDATA[There are obviously many different kinds of bots that systematically search the Internet for vulnerabilities.  At times you may see bot connection attempts to your Postfix mail server in the logs.  Here is an example of what that may look like. As you examine the logs (/var/log/maillog centOS) you see that the smtpd daemon receives [...]]]></description>
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		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Speed Up Your Mail Server</title>
		<link>http://postfixmail.com/blog/index.php/speed-up-your-mail-server/</link>
		<comments>http://postfixmail.com/blog/index.php/speed-up-your-mail-server/#comments</comments>
		<pubDate>Sat, 12 Feb 2011 19:33:00 +0000</pubDate>
		<dc:creator>mike</dc:creator>
				<category><![CDATA[Performance]]></category>
		<category><![CDATA[dns]]></category>
		<category><![CDATA[performance]]></category>

		<guid isPermaLink="false">http://postfixmail.com/blog/?p=1009</guid>
		<description><![CDATA[One of the most important factors of speed for a mail server is the ability to query DNS as quickly as possible.  DNS queries can be made faster by using one of two options.  The first option is to provide a DNS server in the /etc/resolv.conf file that is local and that provides recursive lookups.  [...]]]></description>
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		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Manage Mail Server Connections</title>
		<link>http://postfixmail.com/blog/index.php/manage-mail-server-connections/</link>
		<comments>http://postfixmail.com/blog/index.php/manage-mail-server-connections/#comments</comments>
		<pubDate>Thu, 09 Sep 2010 23:48:45 +0000</pubDate>
		<dc:creator>mike</dc:creator>
				<category><![CDATA[Performance]]></category>
		<category><![CDATA[Mail Server Connections]]></category>
		<category><![CDATA[Postfix Mail Server]]></category>
		<category><![CDATA[postfix performance]]></category>

		<guid isPermaLink="false">http://postfixmail.com/blog/?p=988</guid>
		<description><![CDATA[One aspect of managing mail server connections is managing Keep-Alives.  Managing Keep-Alives with TCP connections may increase reliability of connections or save resources on the server. Once a connection is made with a mail server, the TCP protocol does not determine that data must be exchanged in order to maintain the connection.  It is possible [...]]]></description>
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		<slash:comments>0</slash:comments>
		</item>
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		<title>PostfixAdmin and Fetchmail</title>
		<link>http://postfixmail.com/blog/index.php/postfixadmin-and-fetchmail/</link>
		<comments>http://postfixmail.com/blog/index.php/postfixadmin-and-fetchmail/#comments</comments>
		<pubDate>Wed, 25 Aug 2010 14:40:32 +0000</pubDate>
		<dc:creator>mike</dc:creator>
				<category><![CDATA[Postfixadmin]]></category>
		<category><![CDATA[fetchmail]]></category>

		<guid isPermaLink="false">http://postfixmail.com/blog/?p=979</guid>
		<description><![CDATA[Getting Fetchmail to Work with Postfix Admin The default set up with Postfixadmin looks like it should work but it will not work correctly until you modify a few things.  This tutorial will help you get it working correctly. WARNING: Use this at your own risk.  It has been found to work however, it may [...]]]></description>
		<wfw:commentRss>http://postfixmail.com/blog/index.php/postfixadmin-and-fetchmail/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>SquirrelMail Folder Scan with ClamAV</title>
		<link>http://postfixmail.com/blog/index.php/squirrelmail-folder-scan-with-clamav/</link>
		<comments>http://postfixmail.com/blog/index.php/squirrelmail-folder-scan-with-clamav/#comments</comments>
		<pubDate>Sat, 10 Jul 2010 13:18:43 +0000</pubDate>
		<dc:creator>mike</dc:creator>
				<category><![CDATA[Squirrelmail]]></category>
		<category><![CDATA[Clamav]]></category>

		<guid isPermaLink="false">http://postfixmail.com/blog/?p=973</guid>
		<description><![CDATA[Transferring Mail to IMAP You may have mail that you want to move to the new IMAP account you created with Postfix and Squirrelmail.  In this case create a directory, in the example OldMail has been created. The Postfix Training Manual has more information. If you move mail from a different account, or from another [...]]]></description>
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		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>SquirrelMail Folders with Outlook</title>
		<link>http://postfixmail.com/blog/index.php/squirrelmail-folders-with-outlook/</link>
		<comments>http://postfixmail.com/blog/index.php/squirrelmail-folders-with-outlook/#comments</comments>
		<pubDate>Sat, 10 Jul 2010 02:14:18 +0000</pubDate>
		<dc:creator>mike</dc:creator>
				<category><![CDATA[Squirrelmail]]></category>
		<category><![CDATA[squirrelmail folders]]></category>

		<guid isPermaLink="false">http://postfixmail.com/blog/?p=960</guid>
		<description><![CDATA[Outlook Express and SquirrelMail Folders The first problem that you may experience with Outlook Express or other email clients is that you have these multiple folders that seem to be duplicated.  The problem is that by default Squirrelmail places folders under the INBOX locations while Outlook and other clients will place them at a top [...]]]></description>
		<wfw:commentRss>http://postfixmail.com/blog/index.php/squirrelmail-folders-with-outlook/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Thunderbird Secure Connections</title>
		<link>http://postfixmail.com/blog/index.php/thunderbird-secure-connections/</link>
		<comments>http://postfixmail.com/blog/index.php/thunderbird-secure-connections/#comments</comments>
		<pubDate>Thu, 11 Mar 2010 19:17:05 +0000</pubDate>
		<dc:creator>mike</dc:creator>
				<category><![CDATA[Mail Client]]></category>
		<category><![CDATA[secure connections]]></category>
		<category><![CDATA[secure thunderbird]]></category>
		<category><![CDATA[thunderbird]]></category>

		<guid isPermaLink="false">http://postfixmail.com/blog/?p=937</guid>
		<description><![CDATA[Thunderbird Client Configuration Client configuration can be just as big of problem as the set up for the server.  One of the problems is that not all clients, both Linux and Windows, are capable of handling TLS or SMTP AUTH.  That is getting better but it is still a problem.  One great alternative client is [...]]]></description>
		<wfw:commentRss>http://postfixmail.com/blog/index.php/thunderbird-secure-connections/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Configure Microsoft Outlook Express</title>
		<link>http://postfixmail.com/blog/index.php/configure-microsoft-outlook-express/</link>
		<comments>http://postfixmail.com/blog/index.php/configure-microsoft-outlook-express/#comments</comments>
		<pubDate>Mon, 01 Mar 2010 16:44:54 +0000</pubDate>
		<dc:creator>mike</dc:creator>
				<category><![CDATA[Mail Client]]></category>
		<category><![CDATA[outlook express]]></category>
		<category><![CDATA[postfix]]></category>
		<category><![CDATA[SMTP_AUTH]]></category>
		<category><![CDATA[TLS]]></category>

		<guid isPermaLink="false">http://postfixmail.com/blog/?p=923</guid>
		<description><![CDATA[Configure Microsoft Outlook Express with TLS and SMTP_AUTH.  This is a common issue that can be overlooked by administrators for users who insist on using Outlook Express.  The set up for secure login and sending email is not intuitive. For more information on how to configure Postfix you can consider Postfix Self-Directed Course or the [...]]]></description>
		<wfw:commentRss>http://postfixmail.com/blog/index.php/configure-microsoft-outlook-express/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Policy Banks with Amavis</title>
		<link>http://postfixmail.com/blog/index.php/policy-banks-with-amavis/</link>
		<comments>http://postfixmail.com/blog/index.php/policy-banks-with-amavis/#comments</comments>
		<pubDate>Fri, 19 Feb 2010 12:06:22 +0000</pubDate>
		<dc:creator>mike</dc:creator>
				<category><![CDATA[Filters]]></category>
		<category><![CDATA[amavisd-new]]></category>
		<category><![CDATA[policy banks]]></category>
		<category><![CDATA[postfix]]></category>
		<category><![CDATA[Postfix filtering]]></category>

		<guid isPermaLink="false">http://postfixmail.com/blog/?p=907</guid>
		<description><![CDATA[Amavisd-new provides Policy Banks that allow you to manage messages based on the client or sender.  For example if you wanted senders to be able to send to email lists without using the server resources for scanning with Spamassassin and ClamAv for these outgoing messages you could create a Policy Bank Solution: Specify Clients Who [...]]]></description>
		<wfw:commentRss>http://postfixmail.com/blog/index.php/policy-banks-with-amavis/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Securing PostfixAdmin</title>
		<link>http://postfixmail.com/blog/index.php/securing-postfixadmin/</link>
		<comments>http://postfixmail.com/blog/index.php/securing-postfixadmin/#comments</comments>
		<pubDate>Mon, 08 Feb 2010 15:13:50 +0000</pubDate>
		<dc:creator>mike</dc:creator>
				<category><![CDATA[Postfixadmin]]></category>
		<category><![CDATA[postfix]]></category>
		<category><![CDATA[secure PostfixAdmin]]></category>

		<guid isPermaLink="false">http://postfixmail.com/blog/?p=911</guid>
		<description><![CDATA[Securing the PostfixAdmin Directory on Ubuntu Many administrators who use Postfixadmin, a web based tool to manage virtual domains on Postfix, would like to secure the transactions between the PostfixAdmin program and the administrator.  At the same time often you do not want to add the extra burden of SSL on the whole domain but [...]]]></description>
		<wfw:commentRss>http://postfixmail.com/blog/index.php/securing-postfixadmin/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Emergency: Cleaning the Active Queue</title>
		<link>http://postfixmail.com/blog/index.php/emergency-cleaning-the-active-queue/</link>
		<comments>http://postfixmail.com/blog/index.php/emergency-cleaning-the-active-queue/#comments</comments>
		<pubDate>Fri, 08 Jan 2010 03:19:33 +0000</pubDate>
		<dc:creator>mike</dc:creator>
				<category><![CDATA[Troubleshooting]]></category>
		<category><![CDATA[postfix queue]]></category>
		<category><![CDATA[sctive queue]]></category>

		<guid isPermaLink="false">http://postfixmail.com/blog/?p=903</guid>
		<description><![CDATA[What do you do when you massive overload of unwanted mail that is coming to your server?  Recently I saw a Postfix Mail server that had gone down some months ago but had 10s of thousands of email ready to  be sent.  When it was repaired it began sending tons of old mail&#8230;.mail that was [...]]]></description>
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		<slash:comments>0</slash:comments>
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