Assign and display governance sensitivity labels
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@nimishavijay is already working on this.
Since Jun 30, 2026.
2. developing
enhancement
feature: governance
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Description
Is your feature request related to a problem? Please describe.
As a Nextcloud Mail user, I want to tag my outgoing emails with sensitivity labels, and see when an incoming email was tagged with one.
Describe the solution you'd like
Let the user select from a list of sensitivity labels of the enterprise governance app. Write the label as X-NC-Governance-Label header with id=<snowflake>; origin=<instance-id>
Work packages
- Sending: fetch list of sensitivity label, show dropdown, write header
- Receiving: read header in backend, show it in frontend on top of the open email
Out of scope
- Editing of sensitivity labels for data at rest (email in a mailbox)
Describe alternatives you've considered
- IMAP permflags -> do not survive sending, user could remove them
- Standard headers -> do not fit the use case
Additional context
- Related: https://github.com/nextcloud/mail/issues/11136
Sensitivity:(RFC 2156/4021; Personal/Private/Company-Confidential) labelsSIO-Label:(RFC 7444)
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