Click Change Permissions if you also want to prevent forwarding of the email. The principal and technique are the same as with Outlook, only the menu looks a bit different. * Kindly Mark and Vote this reply if it helps please, as it will be beneficial to more Community members reading here. Office 365 secure emails can be send using Outlook Online. * Beware of scammers posting fake support numbers here. If you have anything unclear, please feel free to let us know. Allows users to send encrypted messages to any email address, including, Yahoo Mail. Noted “other outlook users seems to work without issue ”, does mean that they can receive one-time pass codes? Encrypts messages sent to internal or external recipients. If the issue persists, please share the steps about sending an encrypted message, then we ’ll help you to check it. Theres an older similar thread found here with this issue, however there is no longer a clear fix documented. When the recipient selects this option, the code never arrives. Kindly refer to theĪbout enabling OME generates one-time pass codes. If you receive a protected email message sent to your Office 365 account in Outlook 2016 or Outlook on the web, the message should open like any other. When our users use the the steps found here to send an encrypted message any recipient of an encrypted email is prompted to use a 'One Time Passcode' to login. Therefore, if you are a global admin, you need to sign in PowerShell and enable one-time pass codes. The admin can decide if recipientsĬan use one-time pass codes to sign in to the OME portal.

As far as I know, if the recipient ofĪ message encrypted by OME doesn't use Outlook, regardless of the account used by the recipient, the recipient receives a limited-time web-view link that lets them read the message. Based on the scenario, we’d suggest you can let the user who can’t receive one-time Passcode to check their junk Email.

Office 365 outlook encryption