Chooses to send the mail without any further user interaction.
| Value | Meaning |
| false |
The mail is sent directly without any further user interaction (at least 1 TO recipient must be given) |
| true |
The standard "Send mail" dialog is displayed. The values passed are preset there. |
Platforms: Windows 10, Windows 11, Windows Server 2016 - 2025
.NET: .NET Framework 4.8, .NET 10, .NET 11