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
su*@sm*.hk	6/13/2021 9:12:14 AM	Yahoo	Fail atlas306.free.mail.ne1.yahoo.com; dkim=unknown; spf=pass smtp.mailfrom=sm*.hk; dmarc=pass(p=REJECT) header.from=sm*.hk;	Pass pass (domain of sm*.hk designates 194..**.190 as permitted sender)
su*@sm*.hk	6/13/2021 8:50:39 AM	Yahoo	Fail atlas222.free.mail.bf1.yahoo.com; dkim=unknown; spf=pass smtp.mailfrom=sm*.hk; dmarc=pass(p=REJECT) header.from=sm*.hk;	Pass pass (domain of sm*.hk designates 194..**.190 as permitted sender)
su*@sm*.hk	6/13/2021 8:14:48 AM	Gmail	Fail spf=pass (domain of su*@sm.hk designates 2a0c:8fc0:c11c::1 as permitted sender) smtp.mailfrom=su@sm.hk; dmarc=pass (p=REJECT sp=REJECT dis=NONE) header.from=sm**.hk	Pass pass (domain of su*@sm*.hk designates 2a0c:8fc0:c11c::1 as permitted sender) client-ip=2a0c:8fc0:c11c::1;
su*@sm*.hk	6/13/2021 6:38:22 AM	Yahoo	Fail atlas220.free.mail.gq1.yahoo.com; dkim=unknown; spf=pass smtp.mailfrom=sm*.hk; dmarc=pass(p=REJECT) header.from=sm*.hk;	Pass pass (domain of sm*.hk designates 194..**.190 as permitted sender)
su*@sm*.hk	6/13/2021 6:26:49 AM	Yahoo	Fail atlas313.free.mail.ne1.yahoo.com; dkim=unknown; spf=pass smtp.mailfrom=sm*.hk; dmarc=pass(p=REJECT) header.from=sm*.hk;	Pass pass (domain of sm*.hk designates 194..**.190 as permitted sender)
su*@sm*.hk	6/13/2021 6:05:26 AM	Hotmail	Fail spf=pass (sender IP is 194...190) smtp.mailfrom=sm*.hk; hotmail.com; dkim=none (message not signed) header.d=none;hotmail.com; dmarc=permerror action=none header.from=sm*.hk;compauth=pass reason=105	Pass Pass (protection.outlook.com: domain of sm*.hk designates 194...190 as permitted sender) receiver=protection.outlook.com; client-ip=194...190; helo=mail.sm*.hk;
su*@sm*.hk	6/13/2021 5:51:46 AM	Gmail	Fail spf=pass (domain of su*@sm.hk designates 194...190 as permitted sender) smtp.mailfrom=su@sm.hk; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=sm**.hk	Pass pass (domain of su*@sm.hk designates 194...190 as permitted sender) client-ip=194..*.190;
cj*@lx*.com	6/10/2021 9:54:52 PM	Gmail	Pass dkim=pass header.i=@lx*.com header.s=mail header.b=l+32mZm4; spf=pass (domain of cj@lx.com designates 58...200 as permitted sender) smtp.mailfrom=cj@lx**.com	Pass pass (domain of cj*@lx.com designates 58...200 as permitted sender) client-ip=58..*.200;
lo*@cn*.ca	6/9/2021 5:05:36 PM	Hotmail	Pass spf=pass (sender IP is 23...46) smtp.mailfrom=cn*.ca; hotmail.com; dkim=pass (signature was verified) header.d=cn.ca;hotmail.com; dmarc=pass action=none header.from=cn**.ca;compauth=pass reason=100	Pass Pass (protection.outlook.com: domain of cn*.ca designates 23...46 as permitted sender) receiver=protection.outlook.com; client-ip=23..**.46; helo=cross.elm.relay.mailchannels.net;

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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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在線HTML編輯器

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
su*@sm*.hk	6/13/2021 9:12:14 AM	Yahoo	Fail atlas306.free.mail.ne1.yahoo.com; dkim=unknown; spf=pass smtp.mailfrom=sm*.hk; dmarc=pass(p=REJECT) header.from=sm*.hk;	Pass pass (domain of sm*.hk designates 194..**.190 as permitted sender)
su*@sm*.hk	6/13/2021 8:50:39 AM	Yahoo	Fail atlas222.free.mail.bf1.yahoo.com; dkim=unknown; spf=pass smtp.mailfrom=sm*.hk; dmarc=pass(p=REJECT) header.from=sm*.hk;	Pass pass (domain of sm*.hk designates 194..**.190 as permitted sender)
su*@sm*.hk	6/13/2021 8:14:48 AM	Gmail	Fail spf=pass (domain of su*@sm.hk designates 2a0c:8fc0:c11c::1 as permitted sender) smtp.mailfrom=su@sm.hk; dmarc=pass (p=REJECT sp=REJECT dis=NONE) header.from=sm**.hk	Pass pass (domain of su*@sm*.hk designates 2a0c:8fc0:c11c::1 as permitted sender) client-ip=2a0c:8fc0:c11c::1;
su*@sm*.hk	6/13/2021 6:38:22 AM	Yahoo	Fail atlas220.free.mail.gq1.yahoo.com; dkim=unknown; spf=pass smtp.mailfrom=sm*.hk; dmarc=pass(p=REJECT) header.from=sm*.hk;	Pass pass (domain of sm*.hk designates 194..**.190 as permitted sender)
su*@sm*.hk	6/13/2021 6:26:49 AM	Yahoo	Fail atlas313.free.mail.ne1.yahoo.com; dkim=unknown; spf=pass smtp.mailfrom=sm*.hk; dmarc=pass(p=REJECT) header.from=sm*.hk;	Pass pass (domain of sm*.hk designates 194..**.190 as permitted sender)
su*@sm*.hk	6/13/2021 6:05:26 AM	Hotmail	Fail spf=pass (sender IP is 194...190) smtp.mailfrom=sm*.hk; hotmail.com; dkim=none (message not signed) header.d=none;hotmail.com; dmarc=permerror action=none header.from=sm*.hk;compauth=pass reason=105	Pass Pass (protection.outlook.com: domain of sm*.hk designates 194...190 as permitted sender) receiver=protection.outlook.com; client-ip=194...190; helo=mail.sm*.hk;
su*@sm*.hk	6/13/2021 5:51:46 AM	Gmail	Fail spf=pass (domain of su*@sm.hk designates 194...190 as permitted sender) smtp.mailfrom=su@sm.hk; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=sm**.hk	Pass pass (domain of su*@sm.hk designates 194...190 as permitted sender) client-ip=194..*.190;
cj*@lx*.com	6/10/2021 9:54:52 PM	Gmail	Pass dkim=pass header.i=@lx*.com header.s=mail header.b=l+32mZm4; spf=pass (domain of cj@lx.com designates 58...200 as permitted sender) smtp.mailfrom=cj@lx**.com	Pass pass (domain of cj*@lx.com designates 58...200 as permitted sender) client-ip=58..*.200;
lo*@cn*.ca	6/9/2021 5:05:36 PM	Hotmail	Pass spf=pass (sender IP is 23...46) smtp.mailfrom=cn*.ca; hotmail.com; dkim=pass (signature was verified) header.d=cn.ca;hotmail.com; dmarc=pass action=none header.from=cn**.ca;compauth=pass reason=100	Pass Pass (protection.outlook.com: domain of cn*.ca designates 23...46 as permitted sender) receiver=protection.outlook.com; client-ip=23..**.46; helo=cross.elm.relay.mailchannels.net;