#User with Shell Access to Sophos UTM:
$Loginuser = "loginuser"
#Password for Loginuser:
$LoginUserPassword = "sshpassword"
$UTMHostnameorIP = "192.168.88.1"
 
#Create Credential Object
$LoginUserPasswordSec = ConvertTo-SecureString $LoginUserPassword -AsPlainText -Force
$LoginCreds = New-Object System.Management.Automation.PSCredential($Loginuser,$LoginUserPasswordSec)
 
#Confirm Powershell Version.
if ($PSVersionTable.PSVersion.Major -lt 3) {
    Write-Output "<prtg>"
    Write-Output "<error>1</error>"
    Write-Output "<text>Powershell Version is $($PSVersionTable.PSVersion.Major) Requires at least 3.<7text> "
    Write-Output "</prtg>"
    Exit
}
 
#Connect SSH Session
try {
 $ConnectSSHSession = New-SSHSession -ComputerName $UTMHostnameorIP -Credential $LoginCreds -AcceptKey:$true
}
catch {
    Write-Output "<prtg>"
    Write-Output "<error>1</error>"
    Write-Output "<text>Can't connect to UTM</text>"
    Write-Output "</prtg>"
    Exit
}
#Query Quarantine
try {
  $StrQuarantine = (Invoke-SSHCommand -Command "find /var/storage/chroot-smtp/spool/quarantine -type f | wc -l" -Index $ConnectSSHSession.SessionId).Output
  [int]$Quarantine = [convert]::ToInt32($StrQuarantine, 10)
 }
catch {
    Write-Output "<prtg>"
    Write-Output "<error>1</error>"
    Write-Output "<text>Can't query Qurantine mails</text>"
    Write-Output "</prtg>"
    Exit
}
if ($Quarantine -eq 1 -or $Quarantine -eq 0) {
 $Quarantine = 0
} else {
 $Quarantine = ($Quarantine -1)/2
}
#Query Output Queue (Spool)
try {
  $StrOutput = (Invoke-SSHCommand -Command "find /var/storage/chroot-smtp/spool/output -type f | wc -l" -Index $ConnectSSHSession.SessionId).Output
  [int]$Output = [convert]::ToInt32($StrOutput, 10)
}
catch {
    Write-Output "<prtg>"
    Write-Output "<error>1</error>"
    Write-Output "<text>Can't query Output (spool) mails</text>"
    Write-Output "</prtg>"
    Exit
}
if ($Output -eq 1 -or $Output -eq 0) {
 $Output = 0
} else {
 $Output = ($Output -1)/2
}
#Query corrupt  Queue
try {
  $StrCorrupt  = (Invoke-SSHCommand -Command "find /var/storage/chroot-smtp/spool/corrupt  -type f | wc -l" -Index $ConnectSSHSession.SessionId).Output
  [int]$Corrupt  = [convert]::ToInt32($StrCorrupt , 10)
}
catch {
    Write-Output "<prtg>"
    Write-Output "<error>1</error>"
    Write-Output "<text>Can't query corrupt mails</text>"
    Write-Output "</prtg>"
    Exit
}
if ($Corrupt  -eq 1 -or $Corrupt -eq 0) {
 $Corrupt = 0
} else {
 $Corrupt = ($Corrupt -1)/2
}
#Disconnect SSH Session
$DisconnectSSHSession = Remove-SSHSession -Index $ConnectSSHSession.SessionId
 
#Write Results
 
write-host "<prtg>"
 
Write-Host "<result>"
Write-Host "<channel>Qurantine Mails</channel>"
Write-Host "<value>$($Quarantine)</value>"
Write-Host "<unit>Mails</unit>"
Write-Host "<customunit>Mails</customunit>"
Write-Host "</result>"
 
Write-Host "<result>"
Write-Host "<channel>Spooled Mails</channel>"
Write-Host "<value>$($Output)</value>"
Write-Host "<unit>Mails</unit>"
Write-Host "<customunit>Mails</customunit>"
Write-Host "</result>"
 
Write-Host "<result>"
Write-Host "<channel>Corrupt Mails</channel>"
Write-Host "<value>$($Corrupt)</value>"
Write-Host "<unit>Mails</unit>"
Write-Host "<customunit>Mails</customunit>"
Write-Host "</result>"
 
write-host "</prtg>"