DKIM/SPF驗證

【DKIM/SPF驗證】檢測工具可以准確的檢測出的DKIM和SPF的設置是否通過Gmail，Hotmail，Yahoo的驗證。本網頁提供的微軟、谷歌及雅虎返回的DKIM檢測和SPF檢測的信息僅供參考。

請用被檢測的郵箱發送標題爲“DKIM/SPF Check Request”郵件到下面三個郵箱任何一個，過幾分鍾後刷新本網頁查看DKIM檢測結果。點擊DKIM和SPF驗證結果可以查看詳細的郵件服務器驗證信息(Authentication-Results)，Gmail、Hotmail及Yahoo對DKIM和SPF的檢測結果表述略有不同。

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最新DKIM/SPF檢測結果

被驗證郵箱	驗證時間(EST)	驗證服務器	DKIM驗證結果	SPF驗證結果
it*@sl*.com	12/2/2022 3:55:57 AM	Hotmail	Fail spf=pass (sender IP is 218...210) smtp.mailfrom=sl*.com; dkim=none (message not signed) header.d=none;dmarc=pass action=none header.from=sl*.com;compauth=pass reason=100	Pass Pass (protection.outlook.com: domain of sl*.com designates 218...210 as permitted sender) receiver=protection.outlook.com; client-ip=218..**.210; helo=localhost.localdomain; pr=C
ni*@fr*.com.cn	11/24/2022 3:52:51 AM	Hotmail	Pass spf=permerror (sender IP is 113...118) smtp.mailfrom=fr*.cn; dkim=pass (signature was verified) header.d=fr.cn;dmarc=pass action=none header.from=fr**.cn;compauth=pass reason=100	Fail PermError (protection.outlook.com: domain of fr***.cn used an invalid SPF mechanism)
se*@co*.com	11/23/2022 8:44:46 PM	Hotmail	Pass spf=pass (sender IP is 107...249) smtp.mailfrom=co*.com; dkim=pass (signature was verified) header.d=co.com;dmarc=pass action=none header.from=co**.com;compauth=pass reason=100	Pass Pass (protection.outlook.com: domain of co*.com designates 107...249 as permitted sender) receiver=protection.outlook.com; client-ip=107..**.249; helo=vip3.whitelist.crbl.net; pr=C
Ir*@am*.com	11/23/2022 8:02:03 PM	Hotmail	Fail spf=pass (sender IP is 198...59) smtp.mailfrom=am*.com; dkim=fail (signature did not verify) header.d=am.com;dmarc=pass action=none header.from=am**.com;compauth=pass reason=100	Pass Pass (protection.outlook.com: domain of am*.com designates 198...59 as permitted sender) receiver=protection.outlook.com; client-ip=198..**.59; helo=vip2.whitelist.crbl.net; pr=C
Si*@am*.com	11/23/2022 7:36:32 PM	Hotmail	Pass spf=pass (sender IP is 198...59) smtp.mailfrom=am*.com; dkim=pass (signature was verified) header.d=am.com;dmarc=pass action=none header.from=am**.com;compauth=pass reason=100	Pass Pass (protection.outlook.com: domain of am*.com designates 198...59 as permitted sender) receiver=protection.outlook.com; client-ip=198..**.59; helo=vip2.whitelist.crbl.net; pr=C
sy*@md*.edu.tw	11/16/2022 7:39:42 PM	Yahoo	Fail atlas215.free.mail.bf1.yahoo.com; dkim=unknown; spf=pass smtp.mailfrom=md*.tw; dmarc=unknown header.from=md*.tw;	Pass pass (domain of md*.tw designates 210..**.52 as permitted sender)
co*@cn*.ca	11/16/2022 2:45:45 PM	Hotmail	Pass spf=pass (sender IP is 23...81) smtp.mailfrom=cn*.ca; dkim=pass (signature was verified) header.d=cn.ca;dmarc=pass action=none header.from=cn**.ca;compauth=pass reason=100	Pass Pass (protection.outlook.com: domain of cn*.ca designates 23...81 as permitted sender) receiver=protection.outlook.com; client-ip=23..**.81; helo=hedgehog.birch.relay.mailchannels.net; pr=C
co*@cn*.ca	11/16/2022 2:45:45 PM	Yahoo	Pass atlas106.free.mail.ne1.yahoo.com; dkim=pass header.i=@cn*.ca header.s=default; spf=pass smtp.mailfrom=cn.ca; dmarc=pass(p=NONE) header.from=cn**.ca;	Pass pass (domain of cn*.ca designates 23..**.51 as permitted sender)
dk*@ho*.com	11/16/2022 11:16:01 AM	Hotmail	Pass spf=pass (sender IP is 40...77) smtp.mailfrom=ho*.com; dkim=pass (signature was verified) header.d=ho.com;dmarc=pass action=none header.from=ho**.com;compauth=pass reason=100	Pass Pass (protection.outlook.com: domain of ho*.com designates 40...77 as permitted sender) receiver=protection.outlook.com; client-ip=40..**.77; helo=NAM02-BN1-obe.outbound.protection.outlook.com; pr=C

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如果你對DKIM和SPF的驗證信息有任何疑問，請發郵件給我們，我們會及時處理。

DKIM由互聯網工程任務組（IETF）開發而成；針對的目標是互聯網最嚴重的威脅之一：電子郵件欺詐。DKIM的基本工作原理同樣是基于傳統的密鑰認證方式，他會産生兩組鑰匙，公鑰(public key)和私鑰(private key)，公鑰將會存放在DNS中，而私鑰會存放在寄信服務器中。私鑰會自動産生，並依附在郵件頭中，發送到寄信者的服務器裏。公鑰則放在DNS服務器上，供自動獲得。收信的服務器，將會收到夾帶在郵件頭中的私鑰和在DNS上自己獲取公鑰，然後進行比對，比較寄信者的域名是否合法，如果不合法，則判定爲垃圾郵件。

SPF是爲了防範垃圾郵件而提出來的一種DNS記錄類型，它是一種TXT類型的記錄，它用于登記某個域名擁有的用來外發郵件的所有IP地址。SPF的作用主要是反垃圾郵件，主要針對那些發信人僞造域名的垃圾郵件。

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被驗證郵箱	驗證時間(EST)	驗證服務器	DKIM驗證結果	SPF驗證結果
it*@sl*.com	12/2/2022 3:55:57 AM	Hotmail	Fail spf=pass (sender IP is 218...210) smtp.mailfrom=sl*.com; dkim=none (message not signed) header.d=none;dmarc=pass action=none header.from=sl*.com;compauth=pass reason=100	Pass Pass (protection.outlook.com: domain of sl*.com designates 218...210 as permitted sender) receiver=protection.outlook.com; client-ip=218..**.210; helo=localhost.localdomain; pr=C
ni*@fr*.com.cn	11/24/2022 3:52:51 AM	Hotmail	Pass spf=permerror (sender IP is 113...118) smtp.mailfrom=fr*.cn; dkim=pass (signature was verified) header.d=fr.cn;dmarc=pass action=none header.from=fr**.cn;compauth=pass reason=100	Fail PermError (protection.outlook.com: domain of fr***.cn used an invalid SPF mechanism)
se*@co*.com	11/23/2022 8:44:46 PM	Hotmail	Pass spf=pass (sender IP is 107...249) smtp.mailfrom=co*.com; dkim=pass (signature was verified) header.d=co.com;dmarc=pass action=none header.from=co**.com;compauth=pass reason=100	Pass Pass (protection.outlook.com: domain of co*.com designates 107...249 as permitted sender) receiver=protection.outlook.com; client-ip=107..**.249; helo=vip3.whitelist.crbl.net; pr=C
Ir*@am*.com	11/23/2022 8:02:03 PM	Hotmail	Fail spf=pass (sender IP is 198...59) smtp.mailfrom=am*.com; dkim=fail (signature did not verify) header.d=am.com;dmarc=pass action=none header.from=am**.com;compauth=pass reason=100	Pass Pass (protection.outlook.com: domain of am*.com designates 198...59 as permitted sender) receiver=protection.outlook.com; client-ip=198..**.59; helo=vip2.whitelist.crbl.net; pr=C
Si*@am*.com	11/23/2022 7:36:32 PM	Hotmail	Pass spf=pass (sender IP is 198...59) smtp.mailfrom=am*.com; dkim=pass (signature was verified) header.d=am.com;dmarc=pass action=none header.from=am**.com;compauth=pass reason=100	Pass Pass (protection.outlook.com: domain of am*.com designates 198...59 as permitted sender) receiver=protection.outlook.com; client-ip=198..**.59; helo=vip2.whitelist.crbl.net; pr=C
sy*@md*.edu.tw	11/16/2022 7:39:42 PM	Yahoo	Fail atlas215.free.mail.bf1.yahoo.com; dkim=unknown; spf=pass smtp.mailfrom=md*.tw; dmarc=unknown header.from=md*.tw;	Pass pass (domain of md*.tw designates 210..**.52 as permitted sender)
co*@cn*.ca	11/16/2022 2:45:45 PM	Hotmail	Pass spf=pass (sender IP is 23...81) smtp.mailfrom=cn*.ca; dkim=pass (signature was verified) header.d=cn.ca;dmarc=pass action=none header.from=cn**.ca;compauth=pass reason=100	Pass Pass (protection.outlook.com: domain of cn*.ca designates 23...81 as permitted sender) receiver=protection.outlook.com; client-ip=23..**.81; helo=hedgehog.birch.relay.mailchannels.net; pr=C
co*@cn*.ca	11/16/2022 2:45:45 PM	Yahoo	Pass atlas106.free.mail.ne1.yahoo.com; dkim=pass header.i=@cn*.ca header.s=default; spf=pass smtp.mailfrom=cn.ca; dmarc=pass(p=NONE) header.from=cn**.ca;	Pass pass (domain of cn*.ca designates 23..**.51 as permitted sender)
dk*@ho*.com	11/16/2022 11:16:01 AM	Hotmail	Pass spf=pass (sender IP is 40...77) smtp.mailfrom=ho*.com; dkim=pass (signature was verified) header.d=ho.com;dmarc=pass action=none header.from=ho**.com;compauth=pass reason=100	Pass Pass (protection.outlook.com: domain of ho*.com designates 40...77 as permitted sender) receiver=protection.outlook.com; client-ip=40..**.77; helo=NAM02-BN1-obe.outbound.protection.outlook.com; pr=C