---
title: signingError
framework: mailkit
role: symbol
role_heading: Instance Property
path: mailkit/memessageencodingresult/signingerror
---

# signingError

An error that occurred while the message encoder signed the message.

## Declaration

```swift
var signingError: (any Error)? { get }
```

## See Also

### Providing an Encoding Result

- [init(encodedMessage:signingError:encryptionError:)](mailkit/memessageencodingresult/init(encodedmessage:signingerror:encryptionerror:).md)
- [encodedMessage](mailkit/memessageencodingresult/encodedmessage.md)
- [encryptionError](mailkit/memessageencodingresult/encryptionerror.md)