您用來從 Microsoft 365 傳送電子郵件的每個子域都需要自己的 SPF TXT 記錄。 例如,contoso.com 的SPF TXT記錄並未涵蓋 marketing.contoso.com;marketing.contoso.com 需要自己的SPF TXT記錄。 提示 Email DMARC 涵蓋未定義子域的驗證保護。 任何 (定義或未定義的子域) 繼承父域 (的 DMARC 設定,這些設定可...
The significance of DKIM cannot be overemphasized. With DKIM in place, along with SPF and DMARC, it is difficult for hackers to impersonate your domain. How to Configure DKIM for your Custom Domain? DKIM signing can be enabled for your custom domain in the Microsoft 365 Defender portal, by ...
啟用MOERA 網域的 DMARC 開啟位於https://admin.microsoft.com的 Microsoft 365 系統管理中心。 在左側導覽中,選取 [全部顯示]。 展開[設定],然後按[網域]。 選取您的租使用者網域 (例如,contoso.onmicrosoft.com) 。 在載入的頁面...
激活MOERA 域的 DMARC 在https://admin.microsoft.com打开 Microsoft 365 管理中心。 在左侧导航栏中,选择“全部显示”。 展开“设置”,然后按“域”。 选择租户域 (,例如,contoso.onmicrosoft.com) 。 在加载的页面上,选择“DNS 记录”。 选择“+ ...
For the best level of email protection for your custom domains, you also need to configure SPF and DMARC as part of your overall email authentication strategy. For more information, see the Next Steps section at the end of this article.The rest of this article describes the DKIM CNA...
Step 2: Setting Up DMARC to Authenticate Genuine Emails Now that you have a custom email address using your domain name, you can set up DMARC (Domain-based Message Authentication, Reporting, and Conformance) for your domain. Email authentication allows email servers to tell the difference b...
In order for Apache to serve the file, you’ll need to configure the new virtual host and enable it. MTA-STS only works over HTTPS, so you’ll use port443(HTTPS) exclusively, rather than using port80(HTTP) as well. Firstly, create a new virtual host config...
A company seeking to prevent others from sending e-mails using the names of its employees can configure DMARC in its DNS resource record. In essence, that allows message recipients to make sure the domain name in the “From:” header is the same as in DKIM and SPF. In addition, the rec...
6) Configure your email server 7) Common mistakes during setup Text Prevent Email Spoofing Attacks DKIM helps improve email deliverability and when combined withSPF(Sender Policy Framework) andDMARC(Domain-based Message Authentication, Reporting, and Conformance), it can play a critical role inpreventi...
If you don’t see a success message, you can try to send another test email. Alternatively, you may have toconfigure your DNS recordswith SPF, DKIM, orDMARC. However, the plugin will inform you if you need to take these actions. ...