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	<title>sasl &#8211; 悠然居</title>
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		<title>邮件服务器的安全设置</title>
		<link>https://wordpress.youran.me/%e9%82%ae%e4%bb%b6%e6%9c%8d%e5%8a%a1%e5%99%a8%e7%9a%84%e5%ae%89%e5%85%a8%e8%ae%be%e7%bd%ae/</link>
					<comments>https://wordpress.youran.me/%e9%82%ae%e4%bb%b6%e6%9c%8d%e5%8a%a1%e5%99%a8%e7%9a%84%e5%ae%89%e5%85%a8%e8%ae%be%e7%bd%ae/#respond</comments>
		
		<dc:creator><![CDATA[youran]]></dc:creator>
		<pubDate>Mon, 26 Sep 2011 08:29:46 +0000</pubDate>
				<category><![CDATA[Linux]]></category>
		<category><![CDATA[Dovecot]]></category>
		<category><![CDATA[Postfix]]></category>
		<category><![CDATA[sasl]]></category>
		<category><![CDATA[tls]]></category>
		<category><![CDATA[加密]]></category>
		<category><![CDATA[邮件服务器]]></category>
		<guid isPermaLink="false">http://wordpress.youran.me/?p=85</guid>

					<description><![CDATA[上一篇文章介绍了简单的邮件服务器架设，本文继续介绍对此服务器进行安全上的加固，即添加SASL认证及TLS加密。 首先，安装必要软件： yum install cyrus-sasl cyrus-sasl-plain 接着修改/etc/postfix/main.cf，添加下列参数： smtpd_sasl_auth_enable = yes smtpd_delay_reject=yes smtpd_sasl_type = dovecot smtpd_sasl_path = private/auth smtpd_sasl_security_options = noanonymous smtpd_sasl_local_domain = $myhostname broken_sasl_auth_clients = yes smtpd_recipient_restrictions = permit_sasl_authenticated, permit_mynetworks, reject_unauth_destination 接着将/etc/dovecot.conf的相关行的注释去除，形成下列的配置： auth default { &#8230;]]></description>
		
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