$smtpuser = Get-SSMParameter -Name SMTP_User
$smtppass = Get-SSMParameter -Name SMTP_Password -WithDecryption $true
$smtpfqdn = "$env:computername.$env:userdnsdomain"

$SmtpConfig = Get-WMIObject -Namespace root/MicrosoftIISv2 -ComputerName localhost -Query "Select * From IisSmtpServerSetting"
$RelayIpList = @( 24, 0, 0, 128, 32, 0, 0, 128, 60, 0, 0, 128, 68, 0, 0, 128, 1, 0, 0, 0, 76, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 2, 0, 0, 0, 2, 0, 0, 0, 4, 0, 0, 0, 0, 0, 0, 0, 76, 0, 0, 128, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 255, 255, 255, 255, 127, 0, 0, 1 )
$SmtpConfig.RelayIPList = $RelayIPList
$SmtpConfig.AllowAnonymous = $false
$SmtpConfig.AuthBasic = $true
$SmtpConfig.RouteUserName = $smtpuser.Value
$SmtpConfig.RoutePassword = $smtppass.Value
$SmtpConfig.AlwaysUseSsl = $true
$SmtpConfig.DefaultDomain = $smtpfqdn
$SmtpConfig.SmartHost = "email-smtp.us-west-2.amazonaws.com"

$SmtpConfig.Put()

Restart-Service "SMTPSVC" -ErrorAction