確保您的 DMARC 政策已啟用 Ensuring Your DMARC Policy Is Enabled - SendPromotion.Email
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確保您的 DMARC 政策已啟用 Ensuring Your DMARC Policy Is Enabled

編輯日期 Edit Date: 2025-05-21 | 撰 Author: iGears Support

為了進一步增強您的電子郵件安全性和可送達性,啟用您的 DMARC 政策至關重要。DMARC 有助於保護您的域名免受未經授權的使用和釣魚攻擊,通過指定電子郵件接收者應如何處理未通過 SPF 或 DKIM 檢查的郵件。

 

您可以通過在域名的 DNS 設置中配置 DMARC 政策來完成此操作。以下是設置步驟:

創建 DMARC TXT 記錄:

  • 登錄到您的 DNS 管理器。
  • 選擇要保護的域名。
  • 創建一個新的 TXT 記錄,格式如下:
    v=DMARC1; p=none; rua=mailto:your_report_email@example.com; ruf=mailto:your_failure_report_email@example.com; fo=1
  • 將 your_report_email@example.com 和 your_failure_report_email@example.com 替換為您希望接收報告的實際電子郵件地址。

了解 DMARC 政策選項:

  • p=none:對未通過 DMARC 檢查的郵件不採取任何行動(適用於監控)。
  • p=quarantine:未通過檢查的郵件被視為可疑,可能會發送到垃圾郵件文件夾。
  • p=reject:未通過檢查的郵件將被直接拒絕。

監控您的 DMARC 報告:

  • 定期檢查發送到您指定電子郵件地址的報告。這些報告提供有關誰在代表您的域名發送電子郵件以及它們是否通過身份驗證檢查的寶貴見解。

根據需要調整政策:

  • 先使用 p=none 政策來收集數據,然後在對電子郵件身份驗證設置充滿信心後轉換為 quarantine 或 reject。
  • 通過實施和監控您的 DMARC 政策,您可以顯著提高電子郵件安全性和聲譽,從而改善可送達率。

To further enhance your email security and deliverability, it's critical to enable your DMARC policy. DMARC helps protect your domain from unauthorized use and phishing attacks by specifying how email receivers should handle messages that fail SPF or DKIM checks.

You can configure your DMARC policy through a TXT record in your domain's DNS settings. Here’s how to set it up:

Create a DMARC TXT Record:

  • Log into your DNS Manager.
  • Select the domain you want to protect.
  • Create a new TXT record with the following format:
    v=DMARC1; p=none; rua=mailto:your_report_email@example.com; ruf=mailto:your_failure_report_email@example.com; fo=1
  • Replace your_report_email@example.com and your_failure_report_email@example.com with actual email addresses where you want reports sent.

Understand DMARC Policy Options:

  • p=none: No action is taken on emails that fail DMARC checks (useful for monitoring).
  • p=quarantine: Emails that fail checks are treated as suspicious and may be sent to the spam folder.
  • p=reject: Emails that fail checks are rejected outright.

Monitor Your DMARC Reports:

  • Regularly check the reports sent to your specified email addresses. These reports provide valuable insights into who is sending emails on behalf of your domain and whether they pass authentication checks.

Adjust Your Policy as Necessary:

  • Start with a p=none policy to gather data, then transition to quarantine or reject as you gain confidence in your email authentication setup.

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