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# MEMessageDecoder

An object that decrypts messages and provides details about digital signatures.

```
protocol MEMessageDecoder : NSObjectProtocol
```

## Topics

### Decrypting Messages and Verifying Signatures

[`-  decodedMessageForMessageData:`](/documentation/MailKit/MEMessageDecoder/decodedMessage(forMessageData:))

Decrypts message content and details about digital signatures.

## Relationships

### Inherits From

[`NSObjectProtocol`](/documentation/ObjectiveC/NSObjectProtocol)

### Inherited By

[`MEMessageSecurityHandler`](/documentation/MailKit/MEMessageSecurityHandler)

---

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