Proofpoint關閉垃圾郵件寄送者黑名單服務SORBS
支付動態 · 2024-06-11

Proofpoint決定終止維運免費提供垃圾郵件黑名單資訊的SORBS,過去20年來建立並負責維護SORBS的工程師,也一併被Proofpoint終止聘僱

根據媒體The Register的報導,美國資安業者Proofpoint已經關閉於2001年設立的「垃圾郵件及開放中繼封鎖系統」(Spam and Open Relay Blocking System,SORBS),這是一個涉嫌發送或中繼垃圾郵件的電子郵件伺服器名單,在封鎖時免費提供了超過1,200萬個被列為黑名單的伺服器,而Proofpoint也已向該報證實了此事。

SORBS的運作方式是設置一個垃圾郵件陷阱,以捕獲向該陷阱傳送垃圾郵件及未經請求之大量郵件的IP位址或IP範圍,這些被列為嫌犯的有可能是真的被用來發送垃圾郵件的伺服器,也有可能是外洩的電子郵件帳戶,或者是被病毒感染而生成的垃圾郵件網路,以及開放的中繼站。SORBS專案可用來協助組織封鎖來自黑名單的郵件,也允許意外被列入黑名單的伺服器或IP申請除名,全球有超過20萬個組織採用SORBS所提供的資料。

Proofpoint向The Register表示,該公司是在充分考慮影響該服務持續性的各種因素之後,才決定關閉SORBS,SORBS已於6月5日正式停用,該服務將不再包含任何與特定伺服器或IP聲譽有關的資訊,有鑑於坊間有許多替代性解決方案,Proofpoint不便推薦特定產品,組織應視需求自行選擇其它產品。

儘管SORBS網站仍然存在,但服務已中止。

另一媒體CSO則引用反垃圾郵件專家Anne Mitchell的看法指出,SORBS服務被關閉的唯一原因就是它並不賺錢。

在20年前建立該專案並持續負責維護的工程師Michelle Sullivan一周前便透露,她已被告知SORBS即將關閉,代表她也將被Proofpoint裁員,正在尋覓新工作。

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