## set_PreserveSignedContent {#set_preservesignedcontent}

Sets a value indicating whether it is necessary to save signed message without changes of content to provide correctly structure of digital sign. By default the value is false.

**Returns:** void Aspose::Email::

```cpp
set_PreserveSignedContent(bool value)
```

| Parameter | Description |
| --- | --- |
| value |  |