EOP 中的反垃圾郵件和反惡意程式碼保護Anti-spam and anti-malware protection in EOP

重要

改良的 Microsoft 365 安全性中心現在可供公開預覽。The improved Microsoft 365 security center is now available in public preview. 這個新的體驗將適用於端點的 Defender、適用於 Office 365 的 Defender、Microsoft 365 Defender 和更多功能帶到 Microsoft 365 安全性中心裡面。This new experience brings Defender for Endpoint, Defender for Office, 365 Microsoft 365 Defender, and more into the Microsoft 365 security center. 了解新功能Learn what's new. 本主題僅適合適用於 Office 365 的 Microsoft Defender 和 Microsoft 365 Defender。This topic might apply to both Microsoft Defender for Office 365 and Microsoft 365 Defender. 請參閱 [適用於] 區段,並且尋找此文章中可能有所不同的特定圖說文字。Refer to the Applies To section and look for specific call outs in this article where there might be differences.

適用於Applies to

在有信箱在 Exchange Online 或獨立 Exchange Online Protection 中的 Microsoft 365 組織中 (EOP) 不含 Exchange Online 信箱的組織,電子郵件會透過 EOP 自動抵禦垃圾郵件和惡意程式碼。In Microsoft 365 organizations with mailboxes in Exchange Online or standalone Exchange Online Protection (EOP) organizations without Exchange Online mailboxes, email messages are automatically protected against spam and malware by EOP.

垃圾郵件為未經許可和有害的電子郵件。Spam is unsolicited and unwanted email. 惡意程式碼為病毒和間諜軟體。Malware is viruses and spyware. 病毒會感染其他程式和資料,同時會擴散到整個電腦,找尋可攻擊的程式。Viruses infect other programs and data, and they spread throughout your computer looking for programs to infect. 間諜軟體是一種特定類型的惡意程式碼,可收集您的個人資訊 (例如,登入資訊和個人資料) 並將其發回惡意程式碼作者。Spyware is a specific type of malware that gathers your personal information (for example, sign-in information and personal data) and sends it back to the malware author.

EOP 具有內建的輸入和輸出惡意程式碼篩選功能,可協助您保護組織免受惡意軟體和內建的垃圾郵件篩選,以協助保護您的組織,避免接收和傳送垃圾郵件 (例如,在) 遭到破壞的帳戶時)。EOP has built-in inbound and outbound malware filtering to help protect your organization from malicious software, and built-in spam filtering to help protect your organization from both receiving and sending spam (for example, in case of compromised accounts). 因為預設已啟用,所以系統管理員不需要設定或維護篩選技術。Admins don't need to set up or maintain the filtering technologies because they're enabled by default. 不過,您可以根據組織的需求自訂設定。However, you can customize the settings based on the needs of your organization.

注意

如果您使用 SharePoint 線上,也會自動為上傳及儲存至文件庫的檔案提供反惡意程式碼保護。If you use SharePoint Online, anti-malware protection is also automatically provided for files that are uploaded and saved to document libraries. 這種保護是由也整合在 Exchange 中的 Microsoft 反惡意程式碼引擎所提供。This protection is provided by the Microsoft anti-malware engine that's also integrated into Exchange. 所有 SharePoint Online 內容前端 (CFE) 上都可執行此反惡意程式碼服務。This anti-malware service runs on all SharePoint Online Content Front Ends (CFEs).

EOP 中的反惡意程式碼保護Anti-malware protection in EOP

下表包含相關主題的連結,說明反惡意程式碼保護在 EOP 中的運作方式,以及您可以如何微調反惡意程式碼的設定,以符合組織的需求。The following table contains links to topics that explain how anti-malware protection works in EOP, and how you can fine-tune your anti-malware configuration settings to best meet the needs of your organization.


主題Topic 描述Description
EOP 中的反惡意程式碼保護Anti-malware protection in EOP 提供有關此服務如何提供多層次惡意程式碼保護的概要資訊,其設計目的是用來捕捉組織中的所有已知惡意程式碼。Provides overview information about how the service offers multi-layered malware protection that's designed to catch all known malware traveling to or from your organization.
反惡意程式碼保護常見問題集Anti-malware protection FAQ 提供關於此服務中的反惡意程式碼保護的常見問題和解答詳細清單。Provides a detailed list of frequently asked questions and answers about anti-malware protection in the service.
在 EOP 中設定反惡意程式碼原則Configure anti-malware policies in EOP 說明如何設定預設全公司的反惡意程式碼原則,以及建立可套用至組織中指定使用者、群組或網域的自訂反惡意程式碼原則。Describes how to configure the default company-wide anti-malware policy, as well as create custom anti-malware policies that you can apply to specified users, groups, or domains in your organization.
從勒索軟體的攻擊中復原Recover from a ransomware attack
Sharepoint Online 中的病毒偵測Virus detection in SharePoint Online

EOP 中的反垃圾郵件保護Anti-spam protection in EOP

下表包含相關主題的連結,說明反垃圾郵件保護在 EOP 中的運作方式,以及您可以如何微調反垃圾郵件設定,以符合組織的需求。The following table contains links to topics that explain how anti-spam protection works in EOP, and how you can fine-tune your anti-spam configuration settings to best meet the needs of your organization.


主題Topic 描述Description
EOP 中的反垃圾郵件保護Anti-spam protection in EOP 提供關於此服務中包含的主要反垃圾郵件保護功能的概觀資訊。Provides overview information about the main anti-spam protection features included in the service.
反垃圾郵件保護常見問題集Anti-spam protection FAQ 提供關於反垃圾郵件保護的常見問題與解答。Provides frequently asked questions and answers about anti-spam protection.
在 EOP 中設定反垃圾郵件原則Configure anti-spam policies in EOP 提供如何設定反垃圾郵件原則 (又稱為垃圾郵件篩選原則或內容篩選原則) 的相關資訊。Provides information about how you can configure anti-spam policies (also known as spam filter policies or content filter policies). 您可以設定預設全公司的反垃圾郵件原則,或建立適用于組織中特定使用者、群組或網域的自訂反垃圾郵件原則。You can configure the default company-wide anti-spam policy or create custom anti-spam policies that apply to specific users, groups, or domains in your organization.
設定連線篩選Configure connection filtering 說明如何在預設連線篩選原則中,將來源 IP 位址新增至 IP 允許清單和 IP 封鎖清單。Shows how you can add source IP address to the IP Allow List and the IP Block List in the default connection filter policy.
在 EOP 中建立安全的寄件者清單Create safe sender lists in EOP 瞭解建議的方法,讓適當的郵件能夠被識別為垃圾郵件。Learn the recommended methods to keep good messages from being identified as spam.
在 EOP 中建立封鎖的寄件者清單Create blocked sender lists in EOP 瞭解建議的方法,以封鎖未正確辨識為垃圾郵件的錯誤郵件。Learn the recommended methods to block bad messages that aren't being correctly identified as spam.
EOP 中的垃圾郵件信賴等級 (SCL) Spam confidence level (SCL) in EOP 瞭解垃圾郵件篩選的垃圾郵件判斷。Learn about the spam determination of spam filtering.
EOP 中的大量投訴層級 (BCL) Bulk complaint level (BCL) in EOP 瞭解會決定大量電子郵件是否為垃圾郵件的臨界值。Learn about the threshold that determines whether bulk email is spam.
垃圾郵件和大量電子郵件有什麼不同?What's the difference between junk email and bulk email? 說明垃圾郵件和大量電子郵件之間的差異 EOP 中可使用的控制項。Explains the difference between junk email and bulk email messages the controls that are available for both in EOP.
設定 Exchange Online 信箱上的垃圾郵件設定Configure junk email settings on Exchange Online mailboxes 深入瞭解所有負責將郵件移至 [垃圾郵件] 資料夾的信箱中的垃圾郵件規則。Learn about the junk email rule in all mailboxes that's responsible for moving messages into the Junk Email folder.
使用郵件流程規則在郵件中設定垃圾郵件信賴等級 (SCL)Use mail flow rules to set the spam confidence level (SCL) in messages 瞭解如何使用郵件流程規則 (也稱為傳輸規則) ,在垃圾郵件篩選之前設定郵件中的 SCL。Learn how to use mail flow rules (also known as transport rules) to set the SCL in messages before spam filtering.
EOP 中的高級垃圾郵件篩選 (ASF) 設定Advanced Spam Filter (ASF) settings in EOP 深入瞭解反垃圾郵件原則中提供的 ASF 設定。Learn about the ASF settings that are available in anti-spam policies.

Exchange Online 中的輸出垃圾郵件保護Outbound spam protection in Exchange Online

下表包含主題的連結,這些主題說明如何在 Exchange Online 信箱上運作輸出垃圾郵件保護。The following table contains links to topics that explain how outbound spam protection works for Exchange Online mailboxes.


主題Topic 描述Description
EOP 中的外寄垃圾郵件保護Outbound spam protection in EOP
在 EOP 中設定輸出垃圾郵件篩選Configure outbound spam filtering in EOP 說明如何設定輸出垃圾郵件原則,其中包含可協助確保使用者不會透過服務傳送垃圾郵件的設定。Shows how to configure outbound spam policies, which contain settings that help make sure your users don't send spam through the service.
輸出郵件的高風險傳遞集區High-risk delivery pool for outbound messages
從 Office 365 中的 [受限使用者] 入口網站移除封鎖的使用者Remove blocked users from the Restricted Users portal in Office 365

一般保護技術Common protection technologies

下表包含主題的連結,這些主題說明反惡意程式碼和反垃圾郵件保護常見的設定。The following table contains links to topics that explain settings that are common to anti-malware and anti-spam protection.


主題Topic 描述Description
反垃圾郵件訊息標頭Anti-spam message headers 說明放置在網際網路標頭中的反垃圾郵件欄位;此欄位可為管理員提供郵件及其處理方式的相關資訊。Describes the anti-spam fields placed in Internet headers, which can help provide administrators with information about the message and about how it was processed.
電子郵件保護的順序和優先順序Order and precedence of email protection
零小時自動清除 (ZAP) 防護垃圾郵件和惡意程式碼Zero-hour auto purge (ZAP) - protection against spam and malware
電子郵件訊息的安全提示Safety tips in email messages
回報訊息和檔案至 Microsoft。Report messages and files to Microsoft
使用取消列出入口網站,將您自己從 Microsoft 365 封鎖的寄件者清單中移除Use the delist portal to remove yourself from the Microsoft 365 blocked senders list