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Rmartin0000's avatar
Rmartin0000
Copper Contributor
Jun 22, 2021

O365 Email Encryption to internal tenants not working

Hi, We are using O365 Business Premium E1 license.....We've created new exchange rule for encryption for one of the test user only and assigned the Right mgmt license to that specific user but while...
encryption
Rmartin0000's avatar
Rmartin0000
Copper Contributor
Jun 22, 2021

ChristianJBergstrom 

 

Would like to know, Is there a way to encrypt email for internal tenants either outlook client / web based? regards to the AIP service pls. find below the outcome of AIP service.

 

 

 

ChristianJBergstrom's avatar
ChristianJBergstrom
MVP
Jun 22, 2021
Hi, well it looks good at least from what's being attached and judging from what you're saying you only want to encrypt email. Encryption with built-in Office Message Encryption is using Azure RMS part of the AIP and it's seamless (no further action required) unless using other products than Microsoft. So when encrypting internally for example, you don't have to do anything. You can either let the users choose between the options DNF or Encrypt-only or using a mail flow rule. If you need further assistance I suggest you reach out to the official support.
  • Rmartin0000's avatar
    Rmartin0000
    Copper Contributor
    Jun 23, 2021

    ChristianJBergstrom 

     

    our simple requirement is, to use encryption for both internal tenant & external domains irrespective of the platforms, same time we don't want all outgoing emails to be encrypt using exch. rule but selected users / group when needed.  currently encrypt is happening only for Gmail with or without exch. rule.

     

    This issue is under investigation with MS since more than 2 months and based to their yesterday's confirmation, encrypt works only for 3rd party services like gmail not for internal / Hotmail. so would like to reconfirm if this is true?

    • ChristianJBergstrom's avatar
      ChristianJBergstrom
      MVP
      Jun 23, 2021
      That is not true. Of course you can use encryption with both internal and external users. The difference with Gmail for example is that you receive a "wrapper" with direction to the OME portal (or OTP). That is not necessary with Outlook.com (Hotmail). If only wanting to encrypt email one just use Office Message Encryption but if wanting to encrypt content in the other services internally/externally there are sensitivity labels.
      • Rmartin0000's avatar
        Rmartin0000
        Copper Contributor
        Jun 24, 2021

        ChristianJBergstrom 

         

        Thank you and appreciate your valuable suggestion!

        Will check with MS on this and update accordingly.