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	<title>fish的航海日志 &#187; 邮件服务器</title>
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	<description>海到无边天做岸,山登绝顶我为峰</description>
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		<title>邮件服务器设置要点</title>
		<link>http://blog.v2op.com/2008/06/tips-for-mail-server-setting/?utm_source=rss&#038;utm_medium=rss&#038;utm_campaign=tips-for-mail-server-setting</link>
		<comments>http://blog.v2op.com/2008/06/tips-for-mail-server-setting/#comments</comments>
		<pubDate>Wed, 18 Jun 2008 17:59:26 +0000</pubDate>
		<dc:creator>AmirFish</dc:creator>
				<category><![CDATA[Linux]]></category>
		<category><![CDATA[SPF]]></category>
		<category><![CDATA[服务器配置]]></category>
		<category><![CDATA[邮件服务器]]></category>

		<guid isPermaLink="false">http://blog.v2op.com/?p=127</guid>
		<description><![CDATA[设置邮件服务器是件貌似简单，实则繁琐的事情。因为现在各邮件运营商都有复杂的发垃圾邮件规则，稍有疏忽，你发出去的邮件变石沉大海（直接被丢进垃圾邮件箱里）。 下面简单提几点，是我觉得有必要注意的地方。 1、申请域名反向解析。 2、设置SPF 什么是SPF？看这里扫盲吧（或者WIKI上的SPF）。简单说：SPF 是发送方策略框架 (Sender Policy Framework) 的缩写。 如何设置SPF呢？ 如果是：Linux + BIND，那么将下面这句写到zone file中（mail.v2op.com为你自己发邮件的域名，也就是你申请反向解析的域名，ip4：后面为你自己邮件服务器的ip，这里我是随便写的，可以填写多个ip） mail.v2op.com. IN TXT “v=spf1 ip4:219.219.219.219 a ~all” 如果是：Windows 服务器，看这篇教程《如何在windows2000和windows2003中添加SPF记录》 3、禁用 open-relay 4、使用SMTP验证发送邮件 5、查看邮件服务器的IP是否已经被列入黑名单中。 可以在这里（地址1，地址2，地址3）查询。查询结果仅供参考，黑名单中没有不表示绝对没有问题。 通常一个IP段里有一个垃圾邮件发送者，会导致整个ip段被封掉。遇到这种情况只有更换IP是最快捷的解决方案了。 6、不要短时间内对同一邮件运营商的邮箱发送大量同样内容的邮件。 7、对邮件内容进行base64编码。 8、对国内用户邮件内容字符集尽量使用GBK或GB2312。并非utf-8不行 欢迎大家给出更多经验。<table class="wumii-related-items" cellspacing="0" cellpadding="2" border="0" width="100%" style="clear: both;">
    
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                <font size="-1" color="#bbbbbb" style="display: block !important; font-family: arial !important; padding: 5px 0 !important; font-size: 12px !important; color: #bbb !important;">无觅</font>
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			<content:encoded><![CDATA[<p>设置邮件服务器是件貌似简单，实则繁琐的事情。因为现在各邮件运营商都有复杂的发垃圾邮件规则，稍有疏忽，你发出去的邮件变石沉大海（直接被丢进垃圾邮件箱里）。</p>
<p>下面简单提几点，是我觉得有必要注意的地方。</p>
<p><b>1、申请域名反向解析。</b></p>
<p><b>2、设置SPF</b></p>
<p>什么是SPF？看这里<a href="http://www.openspf.org/" mce_href="http://www.openspf.org/">扫盲</a>吧（或者WIKI上的<a href="http://en.wikipedia.org/wiki/SPF" mce_href="http://en.wikipedia.org/wiki/SPF">SPF</a>）。简单说：SPF 是发送方策略框架 (Sender Policy Framework) 的缩写。</p>
<p>如何设置SPF呢？</p>
<p>如果是：Linux + BIND，那么将下面这句写到zone file中（mail.v2op.com为你自己发邮件的域名，也就是你申请反向解析的域名，ip4：后面为你自己邮件服务器的ip，这里我是随便写的，可以填写多个ip）</p>
<p>mail.v2op.com. IN TXT “v=spf1 ip4:219.219.219.219 a ~all”</p>
<p>如果是：Windows 服务器，看这篇教程<a href="http://www.michaelbrumm.com/spfwindowsdns/" mce_href="http://www.michaelbrumm.com/spfwindowsdns/">《如何在windows2000和windows2003中添加SPF记录》</a></p>
<p><b>3、禁用 open-relay</b></p>
<p><b>4、使用SMTP验证发送邮件</b></p>
<p><b>5、查看邮件服务器的IP是否已经被列入黑名单中。</b></p>
<p>可以在这里（<a href="http://www.mxtoolbox.com/blacklists.aspx" mce_href="http://www.mxtoolbox.com/blacklists.aspx">地址1</a>，<a href="http://www.blacklistalert.org/" mce_href="http://www.blacklistalert.org/">地址2</a>，<a href="http://www.anti-spam.org.cn/" mce_href="http://www.anti-spam.org.cn/">地址3</a>）查询。查询结果仅供参考，黑名单中没有不表示绝对没有问题。</p>
<p>通常一个IP段里有一个垃圾邮件发送者，会导致整个ip段被封掉。遇到这种情况只有更换IP是最快捷的解决方案了。</p>
<p><b>6、不要短时间内对同一邮件运营商的邮箱发送大量同样内容的邮件</b>。</p>
<p><b>7、对邮件内容进行base64编码。</b></p>
<p>8、对国内用户邮件内容字符集<b>尽量</b>使用GBK或GB2312。并非utf-8不行 <img src='http://blog.v2op.com/wp-includes/images/smilies/icon_smile.gif' alt=':)' class='wp-smiley' /> </p>
<p>欢迎大家给出更多经验。</p>
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