Hi Federico,
It may be worth looking through this best practice from one of the MS partners
https://blog.atwork.at/post/Azure-information-protection-user-experience-with-external-users
Hope this helps!
kr,
james
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What's the best practise to manage the e-mail crypted with the external collaborators? I made the protection rule with for "only recipients" but I have a lot of problem with this label.
Hi Federico,
It may be worth looking through this best practice from one of the MS partners
https://blog.atwork.at/post/Azure-information-protection-user-experience-with-external-users
Hope this helps!
kr,
james
take a look at this
https://techcommunity.microsoft.com/t5/security-privacy-and-compliance/new-enhancements-to-office-365-message-encryption/ba-p/1034664
using "Encrypt Only" in outlook would take care of emails including the ones with Office attachments. In addition now there's a support for PDF documents (as described in above article).