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

# signingError

An error that indicates the security handler couldn’t decode the message’s digital signatures.

## Declaration

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

## See Also

### Describing Message Security Attributes

- [init(signers:isEncrypted:signingError:encryptionError:)](mailkit/memessagesecurityinformation/init(signers:isencrypted:signingerror:encryptionerror:).md)
- [isEncrypted](mailkit/memessagesecurityinformation/isencrypted.md)
- [encryptionError](mailkit/memessagesecurityinformation/encryptionerror.md)
- [signers](mailkit/memessagesecurityinformation/signers.md)