---
title: MEMessageEncryptionState.unknown
framework: mailkit
role: symbol
role_heading: Case
path: mailkit/memessageencryptionstate/unknown
---

# MEMessageEncryptionState.unknown

## Declaration

```swift
case unknown
```

## See Also

### Enumeration Cases

- [MEMessageEncryptionState.encrypted](mailkit/memessageencryptionstate/encrypted.md)
- [MEMessageEncryptionState.notEncrypted](mailkit/memessageencryptionstate/notencrypted.md)