DKIM/SPF验证

【DKIM/SPF验证】检测工具可以准确的检测出的DKIM和SPF的设置是否通过Gmail，Hotmail，Yahoo的验证。本网页提供的微软、谷歌及雅虎返回的DKIM检测和SPF检测的信息仅供参考。

请用被检测的邮箱发送标题为“DKIM/SPF Check Request”邮件到下面三个邮箱任何一个，过几分钟后刷新本网页查看DKIM检测结果。点击DKIM和SPF验证结果可以查看详细的邮件服务器验证信息(Authentication-Results)，Gmail、Hotmail及Yahoo对DKIM和SPF的检测结果表述略有不同。

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最新DKIM/SPF检测结果

被验证邮箱	验证时间(EST)	验证服务器	DKIM验证结果	SPF验证结果
ma*@ac*.com.br	5/26/2020 10:00:50 AM	Gmail	Fail dkim=temperror (no key for signature) header.i=@ac*.br header.s=default header.b=KUTQTTZp; spf=pass (domain of ma@ac.com.br designates 192...144 as permitted sender) smtp.mailfrom=ma@ac**.com.br	Pass pass (domain of ma*@ac.com.br designates 192...144 as permitted sender) client-ip=192..*.144;
dk*@ya*.com	5/24/2020 5:58:42 PM	Hotmail	Pass spf=pass (sender IP is 66...148) smtp.mailfrom=ya*.com; hotmail.com; dkim=pass (signature was verified) header.d=ya.com;hotmail.com; dmarc=pass action=none header.from=ya**.com;compauth=pass reason=100	Pass Pass (protection.outlook.com: domain of ya*.com designates 66...148 as permitted sender) receiver=protection.outlook.com; client-ip=66...148; helo=sonic303-22.consmr.mail.ne1.ya*.com;
lo*@uk*.com	5/24/2020 5:57:31 PM	Yahoo	Fail mta4078.mail.ne1.yahoo.com; dkim=neutral (no sig) header.i=@uk*.com; spf=pass smtp.mailfrom=@uk.com; dmarc=pass(p=none sp=NULL dis=none) header.from=uk**.com;	Pass pass (domain of uk*.com designates 23..**.18 as permitted sender)
lo*@uk*.com	5/24/2020 5:57:31 PM	Yahoo	Fail mta4078.mail.ne1.yahoo.com; dkim=neutral (no sig) header.i=@uk*.com; spf=pass smtp.mailfrom=@uk.com; dmarc=pass(p=none sp=NULL dis=none) header.from=uk**.com;	Pass pass (domain of uk*.com designates 23..**.18 as permitted sender)
lo*@uk*.com	5/24/2020 5:54:31 PM	Hotmail	Fail spf=pass (sender IP is 23...3) smtp.mailfrom=uk*.com; hotmail.com; dkim=none (message not signed) header.d=none;hotmail.com; dmarc=pass action=none header.from=uk*.com;compauth=pass reason=100	Pass Pass (protection.outlook.com: domain of uk*.com designates 23...3 as permitted sender) receiver=protection.outlook.com; client-ip=23..**.3; helo=anteater.elm.relay.mailchannels.net;
lo*@uk*.com	5/24/2020 5:52:23 PM	Gmail	Fail spf=pass (domain of lo*@uk.com designates 23...18 as permitted sender) smtp.mailfrom=lo@uk.com; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=uk**.com	Pass pass (domain of lo*@uk.com designates 23...18 as permitted sender) client-ip=23..*.18;
Bo*@he*.com	5/21/2020 8:41:47 PM	Yahoo	Fail atlas217.free.mail.gq1.yahoo.com; dkim=dkim_permfail header.i=@he*.com header.s=@dkim; spf=pass smtp.mailfrom=he*.com; dmarc=unknown	Pass pass (domain of he*.com designates 220..**.190 as permitted sender)
Bo*@he*.com	5/21/2020 8:41:23 PM	Gmail	Fail dkim=neutral (bad format) header.i=@he*.com header.s=dkim header.b=ZjCMJO5o; spf=pass (domain of bob.liu@he.com designates 220...190 as permitted sender) smtp.mailfrom=Bo@he*.com	Pass pass (domain of bob.liu@he*.com designates 220...190 as permitted sender) client-ip=220..**.190;
Bo*@he*.com	5/21/2020 10:41:53 AM	Gmail	Fail dkim=fail (revoked) header.i=@he*.com header.s=dkim header.b=6vOK0HkO; spf=pass (domain of bob.liu@he.com designates 220...190 as permitted sender) smtp.mailfrom=Bo@he*.com	Pass pass (domain of bob.liu@he*.com designates 220...190 as permitted sender) client-ip=220..**.190;

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如果你对DKIM和SPF的验证信息有任何疑问，请发邮件给我们，我们会及时处理。

DKIM由互联网工程任务组（IETF）开发而成；针对的目标是互联网最严重的威胁之一：电子邮件欺诈。DKIM的基本工作原理同样是基于传统的密钥认证方式，他会产生两组钥匙，公钥(public key)和私钥(private key)，公钥将会存放在DNS中，而私钥会存放在寄信服务器中。私钥会自动产生，并依附在邮件头中，发送到寄信者的服务器里。公钥则放在DNS服务器上，供自动获得。收信的服务器，将会收到夹带在邮件头中的私钥和在DNS上自己获取公钥，然后进行比对，比较寄信者的域名是否合法，如果不合法，则判定为垃圾邮件。

SPF是为了防范垃圾邮件而提出来的一种DNS记录类型，它是一种TXT类型的记录，它用于登记某个域名拥有的用来外发邮件的所有IP地址。SPF的作用主要是反垃圾邮件，主要针对那些发信人伪造域名的垃圾邮件。

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被验证邮箱	验证时间(EST)	验证服务器	DKIM验证结果	SPF验证结果
ma*@ac*.com.br	5/26/2020 10:00:50 AM	Gmail	Fail dkim=temperror (no key for signature) header.i=@ac*.br header.s=default header.b=KUTQTTZp; spf=pass (domain of ma@ac.com.br designates 192...144 as permitted sender) smtp.mailfrom=ma@ac**.com.br	Pass pass (domain of ma*@ac.com.br designates 192...144 as permitted sender) client-ip=192..*.144;
dk*@ya*.com	5/24/2020 5:58:42 PM	Hotmail	Pass spf=pass (sender IP is 66...148) smtp.mailfrom=ya*.com; hotmail.com; dkim=pass (signature was verified) header.d=ya.com;hotmail.com; dmarc=pass action=none header.from=ya**.com;compauth=pass reason=100	Pass Pass (protection.outlook.com: domain of ya*.com designates 66...148 as permitted sender) receiver=protection.outlook.com; client-ip=66...148; helo=sonic303-22.consmr.mail.ne1.ya*.com;
lo*@uk*.com	5/24/2020 5:57:31 PM	Yahoo	Fail mta4078.mail.ne1.yahoo.com; dkim=neutral (no sig) header.i=@uk*.com; spf=pass smtp.mailfrom=@uk.com; dmarc=pass(p=none sp=NULL dis=none) header.from=uk**.com;	Pass pass (domain of uk*.com designates 23..**.18 as permitted sender)
lo*@uk*.com	5/24/2020 5:57:31 PM	Yahoo	Fail mta4078.mail.ne1.yahoo.com; dkim=neutral (no sig) header.i=@uk*.com; spf=pass smtp.mailfrom=@uk.com; dmarc=pass(p=none sp=NULL dis=none) header.from=uk**.com;	Pass pass (domain of uk*.com designates 23..**.18 as permitted sender)
lo*@uk*.com	5/24/2020 5:54:31 PM	Hotmail	Fail spf=pass (sender IP is 23...3) smtp.mailfrom=uk*.com; hotmail.com; dkim=none (message not signed) header.d=none;hotmail.com; dmarc=pass action=none header.from=uk*.com;compauth=pass reason=100	Pass Pass (protection.outlook.com: domain of uk*.com designates 23...3 as permitted sender) receiver=protection.outlook.com; client-ip=23..**.3; helo=anteater.elm.relay.mailchannels.net;
lo*@uk*.com	5/24/2020 5:52:23 PM	Gmail	Fail spf=pass (domain of lo*@uk.com designates 23...18 as permitted sender) smtp.mailfrom=lo@uk.com; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=uk**.com	Pass pass (domain of lo*@uk.com designates 23...18 as permitted sender) client-ip=23..*.18;
Bo*@he*.com	5/21/2020 8:41:47 PM	Yahoo	Fail atlas217.free.mail.gq1.yahoo.com; dkim=dkim_permfail header.i=@he*.com header.s=@dkim; spf=pass smtp.mailfrom=he*.com; dmarc=unknown	Pass pass (domain of he*.com designates 220..**.190 as permitted sender)
Bo*@he*.com	5/21/2020 8:41:23 PM	Gmail	Fail dkim=neutral (bad format) header.i=@he*.com header.s=dkim header.b=ZjCMJO5o; spf=pass (domain of bob.liu@he.com designates 220...190 as permitted sender) smtp.mailfrom=Bo@he*.com	Pass pass (domain of bob.liu@he*.com designates 220...190 as permitted sender) client-ip=220..**.190;
Bo*@he*.com	5/21/2020 10:41:53 AM	Gmail	Fail dkim=fail (revoked) header.i=@he*.com header.s=dkim header.b=6vOK0HkO; spf=pass (domain of bob.liu@he.com designates 220...190 as permitted sender) smtp.mailfrom=Bo@he*.com	Pass pass (domain of bob.liu@he*.com designates 220...190 as permitted sender) client-ip=220..**.190;