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
bw*@tr*.com	1/20/2021 7:59:01 AM	Hotmail	Fail spf=pass (sender IP is 45...160) smtp.mailfrom=tr*.com; hotmail.com; dkim=none (message not signed) header.d=none;hotmail.com; dmarc=bestguesspass action=none header.from=tr*.com;compauth=pass reason=109	Pass Pass (protection.outlook.com: domain of tr*.com designates 45...160 as permitted sender) receiver=protection.outlook.com; client-ip=45...160; helo=overseasmx2.ctr*.com;
bw*@tr*.com	1/20/2021 7:59:01 AM	Yahoo	Fail atlas304.free.mail.ne1.yahoo.com; dkim=unknown; spf=pass smtp.mailfrom=tr*.com; dmarc=unknown header.from=tr*.com;	Pass pass (domain of tr*.com designates 45..**.160 as permitted sender)
bw*@tr*.com	1/20/2021 7:59:01 AM	Gmail	Fail spf=pass (domain of bw*@tr.com designates 45...160 as permitted sender) smtp.mailfrom=bw@tr*.com	Pass pass (domain of bw*@tr.com designates 45...160 as permitted sender) client-ip=45..*.160;
sm*@tr*.com	1/20/2021 7:37:04 AM	Hotmail	Fail spf=pass (sender IP is 103...167) smtp.mailfrom=tr*.com; hotmail.com; dkim=none (message not signed) header.d=none;hotmail.com; dmarc=bestguesspass action=none header.from=tr*.com;compauth=pass reason=109	Pass Pass (protection.outlook.com: domain of tr*.com designates 103...167 as permitted sender) receiver=protection.outlook.com; client-ip=103...167; helo=mailcrosser.ctr*.com;
sm*@tr*.com	1/20/2021 7:37:04 AM	Yahoo	Fail atlas207.free.mail.ne1.yahoo.com; dkim=unknown; spf=pass smtp.mailfrom=tr*.com; dmarc=unknown header.from=tr*.com;	Pass pass (domain of tr*.com designates 103..**.167 as permitted sender)
sm*@tr*.com	1/20/2021 7:37:04 AM	Gmail	Fail spf=pass (domain of sm*@tr.com designates 103...167 as permitted sender) smtp.mailfrom=sm@tr*.com	Pass pass (domain of sm*@tr.com designates 103...167 as permitted sender) client-ip=103..*.167;
ge*@ge*.li	1/19/2021 9:44:25 PM	Hotmail	Pass spf=pass (sender IP is 5...240) smtp.mailfrom=ge*.li; hotmail.com; dkim=pass (signature was verified) header.d=ge.li;hotmail.com; dmarc=permerror action=none header.from=ge**.li;compauth=pass reason=111	Pass Pass (protection.outlook.com: domain of ge*.li designates 5...240 as permitted sender) receiver=protection.outlook.com; client-ip=5..**.240; helo=forward100j.mail.yandex.net;
ge*@ge*.li	1/19/2021 9:44:06 PM	Yahoo	Pass atlas101.free.mail.bf1.yahoo.com; dkim=pass header.i=@ge*.li header.s=mail; spf=pass smtp.mailfrom=ge.li; dmarc=unknown header.from=ge**.li;	Pass pass (domain of ge*.li designates 37..**.180 as permitted sender)
ge*@ge*.li	1/19/2021 9:43:39 PM	Gmail	Pass dkim=pass header.i=@ge*.li header.s=mail header.b="a/HZ2w/9"; spf=pass (domain of ge@ge.li designates 77...107 as permitted sender) smtp.mailfrom=ge@ge**.li	Pass pass (domain of ge*@ge.li designates 77...107 as permitted sender) client-ip=77..*.107;

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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
bw*@tr*.com	1/20/2021 7:59:01 AM	Hotmail	Fail spf=pass (sender IP is 45...160) smtp.mailfrom=tr*.com; hotmail.com; dkim=none (message not signed) header.d=none;hotmail.com; dmarc=bestguesspass action=none header.from=tr*.com;compauth=pass reason=109	Pass Pass (protection.outlook.com: domain of tr*.com designates 45...160 as permitted sender) receiver=protection.outlook.com; client-ip=45...160; helo=overseasmx2.ctr*.com;
bw*@tr*.com	1/20/2021 7:59:01 AM	Yahoo	Fail atlas304.free.mail.ne1.yahoo.com; dkim=unknown; spf=pass smtp.mailfrom=tr*.com; dmarc=unknown header.from=tr*.com;	Pass pass (domain of tr*.com designates 45..**.160 as permitted sender)
bw*@tr*.com	1/20/2021 7:59:01 AM	Gmail	Fail spf=pass (domain of bw*@tr.com designates 45...160 as permitted sender) smtp.mailfrom=bw@tr*.com	Pass pass (domain of bw*@tr.com designates 45...160 as permitted sender) client-ip=45..*.160;
sm*@tr*.com	1/20/2021 7:37:04 AM	Hotmail	Fail spf=pass (sender IP is 103...167) smtp.mailfrom=tr*.com; hotmail.com; dkim=none (message not signed) header.d=none;hotmail.com; dmarc=bestguesspass action=none header.from=tr*.com;compauth=pass reason=109	Pass Pass (protection.outlook.com: domain of tr*.com designates 103...167 as permitted sender) receiver=protection.outlook.com; client-ip=103...167; helo=mailcrosser.ctr*.com;
sm*@tr*.com	1/20/2021 7:37:04 AM	Yahoo	Fail atlas207.free.mail.ne1.yahoo.com; dkim=unknown; spf=pass smtp.mailfrom=tr*.com; dmarc=unknown header.from=tr*.com;	Pass pass (domain of tr*.com designates 103..**.167 as permitted sender)
sm*@tr*.com	1/20/2021 7:37:04 AM	Gmail	Fail spf=pass (domain of sm*@tr.com designates 103...167 as permitted sender) smtp.mailfrom=sm@tr*.com	Pass pass (domain of sm*@tr.com designates 103...167 as permitted sender) client-ip=103..*.167;
ge*@ge*.li	1/19/2021 9:44:25 PM	Hotmail	Pass spf=pass (sender IP is 5...240) smtp.mailfrom=ge*.li; hotmail.com; dkim=pass (signature was verified) header.d=ge.li;hotmail.com; dmarc=permerror action=none header.from=ge**.li;compauth=pass reason=111	Pass Pass (protection.outlook.com: domain of ge*.li designates 5...240 as permitted sender) receiver=protection.outlook.com; client-ip=5..**.240; helo=forward100j.mail.yandex.net;
ge*@ge*.li	1/19/2021 9:44:06 PM	Yahoo	Pass atlas101.free.mail.bf1.yahoo.com; dkim=pass header.i=@ge*.li header.s=mail; spf=pass smtp.mailfrom=ge.li; dmarc=unknown header.from=ge**.li;	Pass pass (domain of ge*.li designates 37..**.180 as permitted sender)
ge*@ge*.li	1/19/2021 9:43:39 PM	Gmail	Pass dkim=pass header.i=@ge*.li header.s=mail header.b="a/HZ2w/9"; spf=pass (domain of ge@ge.li designates 77...107 as permitted sender) smtp.mailfrom=ge@ge**.li	Pass pass (domain of ge*@ge.li designates 77...107 as permitted sender) client-ip=77..*.107;