$Path = "C:\1"
$files =( Get-ChildItem $Path -Recurse -include *.* | Where { $_.Exists } )
Send-MailMessage -from 123@ДОМЕН -to 456@ДОМЕН -Subject 'New File' -SmtpServer СМТП_СЕРВЕР -Attachments $files.PSPath
Remove-Item $Path\* -Recurse -Force