diff --git a/Config/Config.ps1 b/Config/Config.ps1
index 75fe773..885a45a 100644
--- a/Config/Config.ps1
+++ b/Config/Config.ps1
@@ -5,4 +5,10 @@ $GLOBAL:AcemeContact = "mailto:<MailAddress>"
 $GLOBAL:ISSWebSite = "Default Web Site"
 
 # Path to the web.config for the acme-challenge.
-$GLOBAL:webconfigfilename = "C:\inetpub\wwwroot\.well-known\acme-challenge\web.config"
\ No newline at end of file
+$GLOBAL:webconfigfilename = "C:\inetpub\wwwroot\.well-known\acme-challenge\web.config"
+
+# Path to the domains.txt file
+$GLOBAL:DomainListFile = (Join-Path -Path (Split-Path -Path $PSCommandPath -Parent) -ChildPath 'Domains.txt') # Expects the Domains.txt in the same file as the Config.ps1
+
+# Path to the hook script for successful renewals
+$GLOBAL:HOOKSuccess = (Join-Path -Path (Split-Path -Path $PSCommandPath -Parent) -ChildPath 'hook.ps1') # Expects the script in the same file as the Config.ps1
\ No newline at end of file
diff --git a/Config/Hook.ps1 b/Config/Hook.ps1
new file mode 100644
index 0000000..7b38a2e
--- /dev/null
+++ b/Config/Hook.ps1
@@ -0,0 +1,23 @@
+#Requires -Version 5
+
+param(
+	[Parameter(Mandatory=$true,Position=1)]
+	[String]
+	$Certname
+,
+	[Parameter(Mandatory=$true,Position=2)]
+	[String[]]
+	$Domains
+)
+
+
+if ($Domain[0] -eq "x") {
+	# Install Certificate
+	Install-ACMECertificate -CertificateRef $Certname -Installer iis -InstallerParameters @{
+		WebSiteRef = $GLOBAL:ISSWebSite
+		BindingHost = "x"
+		BindingPort = 443
+		CertificateFriendlyName = $Certname
+		Force = $true
+	}
+}
\ No newline at end of file
diff --git a/Config/domains.txt b/Config/domains.txt
index 5440882..1798798 100644
--- a/Config/domains.txt
+++ b/Config/domains.txt
@@ -1 +1,6 @@
-test.example.local
\ No newline at end of file
+test.example.local      test2.example.local
+test3.example.local     test4.example.local
+
+# And another Test Domain
+   test5.example.local test6.example.local
+
diff --git a/Installer.bat b/Installer.bat
new file mode 100644
index 0000000..07f856d
--- /dev/null
+++ b/Installer.bat
@@ -0,0 +1,2 @@
+rem need the certificate's thumbprint as the first argument
+powershell.exe -ExecutionPolicy Unrestricted -Command "Import-Module WebAdministration; Get-Item IIS:\SslBindings\* | Where-Object { $_.Store -eq 'WebHosting' } | Set-ItemProperty -Name Thumbprint -Value %1"
diff --git a/Invoke-CertificateJob.ps1 b/Invoke-CertificateJob.ps1
new file mode 100644
index 0000000..f78d612
--- /dev/null
+++ b/Invoke-CertificateJob.ps1
@@ -0,0 +1,90 @@
+# Import module ACMESharp (if not yet loaded)
+if (! (Get-Module ACMESharp)) {
+    # Import ACMESharp module
+    Import-Module ACMESharp
+}
+
+# Import configuration
+. (Join-Path -Path (Split-Path -Path $PSCommandPath -Parent) -ChildPath 'Config\Config.ps1')
+
+#$ISSWebSite = "Default Web Site"
+# Moved to config.ps1
+
+##############################
+#.SYNOPSIS
+#A quick fix for the web.config
+#
+#.DESCRIPTION
+#This is a quick fix to remove unnecessary / incorrect configuration from the web.config file.
+#
+###############################
+function Fix-WebConfig {
+    #$webconfigfilename = "C:\inetpub\wwwroot\.well-known\acme-challenge\web.config"
+    # Moved to config.ps1
+
+    [XML] $webconf = Get-Content $GLOBAL:webconfigfilename
+    $webconf.configuration.'system.webServer'.RemoveChild($webconf.configuration.'system.webServer'.handlers)
+    $webconf.OuterXml.ToString() | Out-File -Encoding utf8 $GLOBAL:webconfigfilename
+}
+
+function Import-Domains {
+    $FileContent = Get-Content -Path $GLOBAL:DomainListFile
+    $Lines = $FileContent -split "`n" | `
+        ForEach-Object { $_.ToString().Trim() -replace '\s+', ' ' } | `
+        Where-Object -FilterScript { $_.ToString().Trim() -ne "" -and $_.ToString().Trim() -notlike "#*" }
+    return $Lines
+}
+
+$DomainFileLines = Import-Domains
+
+$DomainFileLines | ForEach-Object {
+    $Domains = $_ -split " "
+
+    $Primary = $Domains[0]
+    $Certname = $Primary + "-$(get-date -format yyyy-MM-dd--HH-mm)"
+
+    $Domains | ForEach-Object {
+        $Domain = $_
+        $Alias = $Domain #+ "-$(get-date -format yyyy-MM-dd--HH-mm)"
+
+        if (-not (Get-ACMEIdentifier $Alias) -or (Get-ACMEIdentifier $Alias).Status -ne "valid") {
+            # Create a new Identifier with Let's Encrypt
+            New-ACMEIdentifier -Dns $Domain -Alias $Alias
+
+            # Handle the challenge using HTTP validation on IIS
+            Complete-ACMEChallenge -IdentifierRef $Alias -ChallengeType http-01 -Handler iis -HandlerParameters @{ WebSiteRef = $GLOBAL:ISSWebSite }
+
+            # Fix web.config bug
+            Fix-WebConfig
+
+            # Tell Let's Encrypt it's OK to validate now
+            Submit-ACMEChallenge -IdentifierRef $Alias -ChallengeType http-01
+
+            # Check the status of the certificate every 6 seconds until we have an answer; fail after a minute
+            $i = 0
+            do {
+                $IdentifierInfo = Update-ACMEIdentifier -IdentifierRef $Alias
+                if($IdentifierInfo.Status.toString() -ne "pending") {
+                    Start-Sleep 6
+                    $i++
+                }
+            } until($IdentifierInfo.Status.toString() -ne "pending" -or $i -gt 10)
+
+            if($i -gt 10) {
+                Write-Error "We did not receive a completed certificate after 60 seconds"
+                Continue
+            }
+        }
+    }
+
+    # Generate Certificate
+    New-ACMECertificate -Generate -IdentifierRef $Primary -AlternativeIdentifierRefs $Domains -Alias $Certname
+
+    # Submit the certificate request to Let's Encrypt
+    Submit-ACMECertificate -CertificateRef $Certname
+
+    # Update in order to retrieve the CA signer's public cert
+    Update-ACMECertificate -CertificateRef $Certname
+
+    . $GLOBAL:HOOKSuccess -Certname $Certname -Domains $Domains
+}
diff --git a/Test-Config.ps1 b/Test/Test-Config.ps1
similarity index 73%
rename from Test-Config.ps1
rename to Test/Test-Config.ps1
index 996564c..0d2a979 100644
--- a/Test-Config.ps1
+++ b/Test/Test-Config.ps1
@@ -1,3 +1,3 @@
-. (Join-Path -Path (Split-Path -Path $PSCommandPath -Parent) -ChildPath 'config.ps1')
+. (Join-Path -Path (Split-Path -Path $PSCommandPath -Parent) -ChildPath '..\Config\Config.ps1')
 
 Write-Host $GLOBAL:AcemeContact
\ No newline at end of file
diff --git a/Test/Test-LoadDomains.ps1 b/Test/Test-LoadDomains.ps1
new file mode 100644
index 0000000..80627b6
--- /dev/null
+++ b/Test/Test-LoadDomains.ps1
@@ -0,0 +1,11 @@
+. (Join-Path -Path (Split-Path -Path $PSCommandPath -Parent) -ChildPath '..\Config\Config.ps1')
+
+function Import-Domains {
+    $FileContent = Get-Content -Path $GLOBAL:DomainListFile
+    $Lines = $FileContent -split "`n" | `
+        ForEach-Object { $_.ToString().Trim() -replace '\s+', ' ' } | `
+        Where-Object -FilterScript { $_.ToString().Trim() -ne "" -and $_.ToString().Trim() -notlike "#*" }
+    $Lines
+}
+
+Import-Domains
\ No newline at end of file