反垃圾郵件
現在，該必不可少的組件使用性能增強，屢獲殊榮的引擎來提高性能，可以過濾所有垃圾郵件，並使用戶郵箱中不存在未經請求或不想要的郵件。

反網絡釣魚
阻止用戶訪問已知的網頁成為釣魚網站。 電子郵件中可能包含導致網絡釣魚網頁的鏈接。 這樣的電子郵件被過濾。

混合Office 365掃描
支援在混合設置中使用Microsoft Exchange的企業。

Robust quarantine management
In case messages are quarantined, users receive emails via which they can handle the message management themselves. In addition, administrators can have summary reports sent to them on a regular basis. However, anytime someone is waiting for an email, an administrator can easily decide to delete or release messages from a central quarantine.

反惡意軟件
ESET郵件安全中內置的第二層防護功能可檢測可疑或惡意附件，以防止用戶受到感染。

Rules
ESET全面的規則係統使管理員可以手動定義電子郵件過濾條件以及對過濾後的電子郵件採取的措施。

基於網絡的隔離
電子郵件將自動提供給用戶有關其已被隔離的垃圾郵件的信息。 Then users can log in and manage their own spam rather than this solely being managed by the admin.

Cluster support
ESET 解決方案 support creating clusters, which allows products to communicate with each other and exchange configuration, notifications, greylisting database info and more. In addition, this supports Windows Failover Clusters and Network Load Balancing (NLB) clusters to allow for Enterprise-grade protection.

Flexible and scalable
ESET 郵件安全 enables component-based installation, providing admin with an opportunity to select only a certain solution component. Also, ESET 郵件安全 allows exclusion of specific objects or processes from on-access scanning, thus minimizing interference with the process to improve backup speed and process integrity.