07/09/2021 / 最終更新日時 : 08/09/2021 ks40 IT Learning Easy! IT | Security | Sender Policy Framework This article is a rough explanation of the Sender Policy Framework. Everything might be not exactly correct in […]
28/07/2021 / 最終更新日時 : 30/07/2021 ks40 IT Learning Easy! IT | Server | TXT Record Everything might be not exactly correct in this article but it’s very useful for beginners to understand IT te […]
