# PapercutSmtpHostingExtension

- Kind: `class`
- Package: [CommunityToolkit.Aspire.Hosting.PapercutSmtp](/reference/api/csharp/communitytoolkit.aspire.hosting.papercutsmtp.md)
- Version: `13.4.0`
- Namespace: `Aspire.Hosting`
- Target framework: `net10.0`
- Source: [GitHub](https://github.com/CommunityToolkit/Aspire/blob/d9dc6fc02412d7398c5722840513d99965a6e98f/src/CommunityToolkit.Aspire.Hosting.PapercutSmtp/PapercutSmtpHostingExtension.cs)

Provides extension methods for adding Papercut SMTP to an `Hosting.IDistributedApplicationBuilder`.

## Definition

```csharp
namespace Aspire.Hosting;

public static class PapercutSmtpHostingExtension
{
    // ...
}
```

## Methods

- [AddPapercutSmtp(IDistributedApplicationBuilder, string, int?, int?)](/reference/api/csharp/communitytoolkit.aspire.hosting.papercutsmtp/papercutsmtphostingextension/methods.md#addpapercutsmtp-idistributedapplicationbuilder-string-int-int) : `IResourceBuilder<PapercutSmtpContainerResource>` `extension` `ats export` -- Adds Papercut SMTP to the application model.