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The challenge of Office 365 encryption.
While Microsoft Office 365 offers tools for encrypting email, Office 365 encryption capabilities may need to be supplemented by third-party solutions for some organizations. Office 365 encryption makes sending encrypted email much easier for users, but recipients may still face obstacles in decrypting messages. To overcome these challenges, senders may need to augment Office 365 encryption with mandatory TLS connections for business partners, adding additional costs and hurdles to encryption for email.
Mimecast provides easy-to-use encrypted email services that can add powerful capabilities to Office 365 encryption. Mimecast's email encryption service is part of a suite of cloud-based services for email security, archiving and continuity that are designed to reduce the cost and complexity of managing business email.
Mimecast Secure Messaging augments Office 365 encryption by allowing users to send and receive sensitive information easily without needing to download software, add more hardware or have knowledge of certificate management and encryption methods. With Mimecast, Office 365 encryption is as easy as choosing a Send Secure option within Outlook before clicking Send.
Mimecast's solution for Office 365 encryption enables organizations to:
To send a protected message with Mimecast, users simply compose a new email in Outlook, at any desired attachments and select the Send Secure option on the Mimecast tab within Mimecast for Outlook. Users may select from administrator-defined options for setting expiration dates, requiring read receipts, and restricting recipients from printing, replying to or forwarding the message.
Once the user clicks Send, the message and any attached files are uploaded to Mimecast secure cloud. They are immediately checked for malware and scanned for compliance with content control and data leak prevention policies, and then stored in Mimecast secure AES encrypted archive.
The recipient receives notification that a secure message has been sent to them along with instructions for how to access it on Mimecast's secure web portal. Once they have logged on, they can read their encrypted messages, download attachments and send messages and files back to the original sender.
Mimecast also enables administrators to automatically enforce Office 365 encryption whenever messages meet certain criteria. These may include messages sent to specific people or domains, or when the subject line or content message includes certain keywords.
Learn more about Office 365 encryption from Mimecast, and about solutions for email uptime.