English 
日本電気株式会社 は28日、メールセキュリティ製品「Mission Critical Mail」の新バージョンとして、Boxとの連携を強化したバージョン1.8の提供を開始すると発表しました。ソフトウェアパッケージ版とクラウドサービス版の両方に対応し、5月30日より提供を開始します。Mission Critical Mailは、受信メールのセキュリティ確保や送信メールからの情報漏えいを防止する企業・組織向けのメールセキュリティ製品。
It has functions such as sanitizing received emails, virus protection, and spam protection, and also has functions for sending emails, such as preventing erroneous sending and creating URLs for attachments using cloud storage. In addition, the company offers the on-premise software package product Mission Critical Mail Filter and the cloud service Mission Critical Mail Cloud, which are said to be flexible in their implementation according to the security policies and operating environments of each company or organization. The new version adds a function to automatically archive sent and received emails to Box. In cooperation with Box, it has previously offered a “PPAP-free” function that automatically stores email attachments in Box and “converts them into URLs” to securely exchange files, but with this latest enhancement, it is now possible to automatically archive the emails (body and headers) sent and received in Box. This means that important email data, along with daily work documents, can now be centrally stored and managed using Box’s search and access management functions under Box’s security policies, making it possible to quickly access necessary information when an inquiry is received or an incident occurs.
こちらもお読みください： NEC、Box & ARC対応でMission Critical Mailをアップデート
In addition, this time, it supports “ARC (Authenticated Received Chain)”, which can inherit authentication results on the transmission path and prove the legitimacy of the sender. When editing the message or header of an outgoing email due to security measures such as PPAP avoidance through cloud storage integration, there was a risk that the conventional SPF/DKIM/DMARC authentication would fail and legitimate emails would be judged as spam, but ARC is incorporated into the recommended guidelines by domestic and international industry groups, and is being introduced and used in major platforms such as Gmail and Microsoft 365 (Exchange Online), so it is said to improve the delivery rate and reliability of important emails. The price of the new version is 1.3 million yen (excluding tax) for 500 IDs for the on-premise version “Mission Critical Mail Filter”, and the cloud version “Mission Critical Mail Cloud” is quoted individually.
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