ADSI：
strComputer = "LocalHost"

#Wscript.Echo "OK!"

cscript.exe c:\inetpub\AdminScripts\adsutil.vbs set /Smtpsvc/1/FullyQualifiedDomainName "stmp.2mysite.net"

PowerShell & WMI

Set-ExecutionPolicy RemoteSigned
function Configure-SMTPService ([string]$incomingEMailDomainName, [int]$incomingEMailMaxMessageSize)
{
       Write-Host -Foregroundcolor White ” -> Changing the start-up type of SMTP service to ‘Automatic’…”
       Set-Service “SMTPSVC” -StartupType Automatic -ErrorAction SilentlyContinue
       if ($?)
       {
             Write-Host -Foregroundcolor Green ” [OK] Successfully changed startup type.”
       }
       else
       {
             Write-Host -Foregroundcolor Red ” [Error] Unable to change startup type.”
             Exit
       }
       
       Write-Host -Foregroundcolor White ” -> Starting SMTP service…”
       Start-Service “SMTPSVC” -ErrorAction SilentlyContinue
       
       if ($?)
       {
             Write-Host -Foregroundcolor Green ” [OK] Service successfully started.”
       }
       else
       {
             Write-Host -Foregroundcolor Red ” [Error] Unable to start service.”
             Exit
       }
      
       # Ascriptomatic is a great tool to explorefor exploring WMI namespace is scriptomatic: 
       # http://www.microsoft.com/en-us/download/details.aspx?id=12028
       Write-Host -Foregroundcolor White ” -> CreatingCreate incoming SMTP domain…”
       
       # First create a new smtp domain. The path ‘SmtpSvc/1’ is the first virtual SMTP server. If you need to modify another virtual SMTP server
       # change the path accordingly.
       try
       {
             $smtpDomains = [wmiclass]‘root\MicrosoftIISv2:IIsSmtpDomain’
             $newSMTPDomain = $smtpDomains.CreateInstance()
             $newSMTPDomain.Name = “SmtpSvc/1/Domain/$incomingEMailDomainName“
             $newSMTPDomain.Put()  | Out-Null
             Write-Host -Foregroundcolor Green ” [OK] Successfully created incoming email domain.”
       }
       catch
       {
             Write-Host -Foregroundcolor Red ” [Error] Unable to create incoming email domain.”
             Exit
       }
      
       Write-Host -Foregroundcolor White ” -> Configuring incoming SMTP domain…”
   
       try
       {
             # Configure the new smtp domain as alias domain
             $smtpDomainSettings = [wmiclass]‘root\MicrosoftIISv2:IIsSmtpDomainSetting’
             $newSMTPDomainSetting = $smtpDomainSettings.CreateInstance()
 
             # Set the type of the domain to “Alias”
             $newSMTPDomainSetting.RouteAction = 16
 
             # Map the settings to the domain we created in the first step
             $newSMTPDomainSetting.Name = “SmtpSvc/1/Domain/$incomingEMailDomainName“
             $newSMTPDomainSetting.Put() | Out-Null
             Write-Host -Foregroundcolor Green ” [OK] Successfully configured incoming email domain.”
       }
       catch
       {
             Write-Host -Foregroundcolor Red ” [Error] Unable to configure incoming e-mail domain.”
             Exit
       }
       Write-Host -Foregroundcolor White ” -> Configuring virtual SMTP server…”

       try
       {
             $virtualSMTPServer = Get-WmiObject IISSmtpServerSetting -namespace “ROOT\MicrosoftIISv2” | Where-Object { $_.name -like “SmtpSVC/1” }
             
             # Set maximum message size (in bytes)
             $virtualSMTPServer.MaxMessageSize = ($incomingEMailMaxMessageSize * 1024)

             # Disable session size limit
             $virtualSMTPServer.MaxSessionSize = 0

             # Set maximum number of recipients
             $virtualSMTPServer.MaxRecipients = 0

             
             # Set maximum messages per connection
             $virtualSMTPServer.MaxBatchedMessages = 0
             $virtualSMTPServer.Put() | Out-Null
             Write-Host -Foregroundcolor Green ” [OK] Successfully configured virtual SMTP server.”
       }
       catch
       {
             Write-Host -Foregroundcolor Red ” [Error] Unable to configure virtual SMTP server.”
             Exit
       }
}
Configure-SMTPService “sp.mydomain.local” 10240

Puppet部署:
configWinSMTPSVC.vbs

strComputer = "LocalHost"
 
Set objIIS = GetObject("IIS://" & strComputer & "/SMTPSVC/1")
Wscript.Echo "FullyQualifiedDomainName(Before): " & objIIS.FullyQualifiedDomainName
strFQDN = Trim(objIIS.FullyQualifiedDomainName)
If Instr(strFQDN,"2mysite.net") = 0 Then
	objIIS.FullyQualifiedDomainName = "smtp.2mysite.net"
	objIIS.SetInfo
End If
Wscript.Echo "FullyQualifiedDomainName(After): " & objIIS.FullyQualifiedDomainName

class configWinSMTPSVC {
    file { 'C:/Windows/Temp/configWinSMTPSVC.vbs':
    ensure => 'file',
	alias  => "configWinSMTPSVCvbs",
    source_permissions  => ignore,
    group  => 'Administrators',
	source => "puppet://puppet.zzy.com/files/windows/smtpsvc/configWinSMTPSVC.vbs",
  }
  exec { 'exec-configWinSMTPSVC':
    path      => $::path,
    command   => 'cmd.exe /c cscript.exe //Nologo C:/Windows/Temp/configWinSMTPSVC.vbs',
	require   => File['configWinSMTPSVCvbs'],
  }
}