Get-IISSmtpState.ps1


<#PSScriptInfo
 
.VERSION 2.2.4
 
.GUID 35b14c0b-4e9a-4111-9d9a-cfe6cf038219
 
.AUTHOR June Castillote
 
.COPYRIGHT june.castillote@gmail.com
 
.TAGS
 
.LICENSEURI
 
.PROJECTURI https://github.com/junecastillote/Get-IISSMTPState
 
.ICONURI
 
.EXTERNALMODULEDEPENDENCIES
 
.REQUIREDSCRIPTS
 
.EXTERNALSCRIPTDEPENDENCIES
 
.RELEASENOTES
2.0 (June 10, 2019)
    - Re-Code from scratch
2.1 (June 11, 2019)
    - Fixed bugs
    - Code cleanup
    - Added error handling logic
2.2 (June 12, 2019)
    - More code cleanup
2.2.2 (June 13, 2019)
    - fixed Get-ScriptInfo function
2.2.3 (June 17, 2019)
    - Added MS Teams Notification
    - Code cleanup
2.2.4 (June 19, 2019)
    - Added parameter notifyTeamsOnAlertsOnly
 
.PRIVATEDATA
 
#>


<#
 
.DESCRIPTION
 IIS SMTP Server Status Report
 
#>
 

param (
    [cmdletbinding()]

    # list of IIS SMTP Servers, accepts array.
    [Parameter(Mandatory=$true,Position=0)]
    [string[]]
    $computerName,

    #path to the report directory (eg. c:\scripts\report)
    [Parameter(Mandatory=$true,Position=1)]
    [string]
    $reportDirectory,

    #Threshold for Queue
    [Parameter()]
    [int]
    $queueThreshold,

    #Threshold for Pickup
    [Parameter()]
    [int]
    $pickupThreshold,

    #Threshold for Drop
    [Parameter()]
    [int]
    $dropThreshold,

    #Threshold for BadMail
    [Parameter()]
    [int]
    $badMailThreshold,

    #path to the log directory (eg. c:\scripts\logs)
    [Parameter()]
    [string]
    $logDirectory,

    #prefix string for the report (ex. COMPANY)
    [Parameter()]
    [string]
    $orgName,
    
    #Switch to enable email report
    [Parameter()]
    [ValidateSet("ErrorOnly","Always")]
    [string]
    $sendEmail,

    #Sender Email Address
    [Parameter()]
    [string]
    $From,

    #Recipient Email Addresses - separate with comma
    [Parameter()]
    [string[]]
    $To,

    #smtpServer
    [Parameter()]
    [string]
    $smtpServer,

    #Port
    [Parameter()]
    [int]
    $Port,

    #switch to indicate whether SMTP Authentication is required
    [Parameter()]
    [switch]
    $smtpAuthRequired,

    #credential for SMTP server (if applicable)
    [Parameter()]
    [pscredential]
    $smtpCredential,

    #switch to indicate if SSL will be used for SMTP relay
    [Parameter()]
    [switch]
    $useSSL,
    
    #accepts Teams WebHook URI. Accepts multiple URI.
    [Parameter()]
    [string[]]
    $notifyTeams,

    #switch to indicate whether the script will notify via Teams only if one or more issues were detected.
    [Parameter()]
    [switch]
    $notifyTeamsOnAlertsOnly


)

#...................................
#Region CSS
#...................................
$css_string = @'
<style type="text/css">
#HeadingInfo
    {
        font-family:"Segoe UI";
        width:100%;
        border-collapse:collapse;
    }
#HeadingInfo td, #HeadingInfo th
    {
        font-size:0.8em;
        padding:3px 7px 2px 7px;
    }
#HeadingInfo th
    {
        font-size:2.0em;
        font-weight:normal;
        text-align:left;
        padding-top:5px;
        padding-bottom:4px;
        background-color:#604767;
        color:#fff;
    }
#SectionLabels
    {
        font-family:"Segoe UI";
        width:100%;
        border-collapse:collapse;
    }
#SectionLabels th.data
    {
        font-size:2.0em;
        text-align:left;
        padding-top:5px;
        padding-bottom:4px;
        background-color:#fff;
        color:#000;
    }
#data
    {
        font-family:"Segoe UI";
        width:100%;
        border-collapse:collapse;
    }
#data td, #data th
    {
        font-size:0.8em;
        border:1px solid #DDD;
        padding:3px 7px 2px 7px;
    }
#data th
    {
        font-size:0.8em;
        padding-top:5px;
        padding-bottom:4px;
        background-color:#00B388;
        color:#fff; text-align:left;
    }
#data td
    { font-size:0.8em;
        padding-top:5px;
        padding-bottom:4px;
        text-align:left;
    }
#data td.bad
    { font-size:0.8em;
        font-weight: bold;
        padding-top:5px;
        padding-bottom:4px;
        color:#f04953;
    }
#data td.good
    { font-size:0.8em;
        font-weight: bold;
        padding-top:5px;
        padding-bottom:4px;
        color:#01a982;
    }
 
.status {
    width: 10px;
    height: 10px;
    margin-right: 7px;
    margin-bottom: 0px;
    background-color: #CCC;
    background-position: center;
    opacity: 0.8;
    display: inline-block;
}
.green {
    background: #01a982;
}
.purple {
    background: #604767;
}
.orange {
    background: #ffd144;
}
.red {
    background: #f04953;
}
</style>
'@

#...................................
#EndRegion CSS
#...................................

#...................................
#Region FUNCTIONS
#...................................

#Function to get current system timezone (for PS versions below 5)
Function Get-TimeZoneInfo
{  
    $tzName = ([System.TimeZone]::CurrentTimeZone).StandardName
    $tzInfo = [System.TimeZoneInfo]::FindSystemTimeZoneById($tzName)
    Return $tzInfo    
}
#Function to stop transcribing
Function Stop-TxnLogging
{
    $txnLog=""
    Do {
        try {
            Stop-Transcript | Out-Null
        } 
        catch [System.InvalidOperationException]{
            $txnLog="stopped"
        }
    } While ($txnLog -ne "stopped")
}

#Function to Start transcribing
Function Start-TxnLogging 
{
    param 
    (
        [Parameter(Mandatory=$true,Position=0)]
        [string]$logDirectory
    )
    Stop-TxnLogging
    Start-Transcript $logDirectory -Append
}

#Function to get Script Version and ProjectURI for PS vesions below 5.1
Function Get-ScriptInfo
{
    param
    (
        [Parameter(Mandatory=$true,Position=0)]
        [string]$Path
    )
    
    $scriptFile = Get-Content $Path

    $props = @{
        Version = ""
        ProjectURI = ""
    }

    $scriptInfo = New-Object PSObject -Property $props

    # Get Version
    foreach ($line in $scriptFile)
    {    
        if ($line -like ".VERSION*")
        {
            $scriptInfo.Version = $line.Split(" ")[1]
            BREAK
        }    
    }

    # Get ProjectURI
    foreach ($line in $scriptFile)
    {
        if ($line -like ".PROJECTURI*")
        {
            $scriptInfo.ProjectURI = $line.Split(" ")[1]
            BREAK
        }        
    }
    Remove-Variable scriptFile
    Return $scriptInfo
}
#...................................
#EndRegion
#...................................


Stop-TxnLogging
#Clear-Host

#Get Script Information
[double]$myPsVersion = "$($PSVersionTable.PSVersion.Major).$($PSVersionTable.PSVersion.Minor)"
if ($myPsVersion -lt 5)
{
    $scriptInfo = Get-ScriptInfo -Path $MyInvocation.MyCommand.Definition
}
else
{
    $scriptInfo = Test-ScriptFileInfo -Path $MyInvocation.MyCommand.Definition
}

#Get TimeZone Information
$timeZoneInfo = Get-TimeZoneInfo

[string]$today = Get-Date -Format F
$today = "$($today) $($timeZoneInfo.DisplayName.ToString().Split(" ")[0])"

#...................................
#Region PARAMETER CHECK
#...................................
$isAllGood = $true

if ($sendEmail)
{
    if (!$From)
    {
        Write-Host (get-date -Format "dd-MMM-yyyy hh:mm:ss tt") ": ERROR: A valid sender email address is not specified." -ForegroundColor Yellow
        $isAllGood = $false
    }

    if (!$To)
    {
        Write-Host (get-date -Format "dd-MMM-yyyy hh:mm:ss tt") ": ERROR: No recipients specified." -ForegroundColor Yellow
        $isAllGood = $false
    }

    if (!$smtpServer )
    {
        Write-Host (get-date -Format "dd-MMM-yyyy hh:mm:ss tt") ": ERROR: No SMTP Server specified." -ForegroundColor Yellow
        $isAllGood = $false
    }

    if (!$Port )
    {
        Write-Host (get-date -Format "dd-MMM-yyyy hh:mm:ss tt") ": ERROR: No SMTP Port specified." -ForegroundColor Yellow
        $isAllGood = $false
    }
    
    if ($smtpAuthRequired)
    {
        if (!$smtpCredential)
        {
            Write-Host (get-date -Format "dd-MMM-yyyy hh:mm:ss tt") ": ERROR: SMTP Server requires authentication, but no credential was specified. Please specify using the -smtpCredential parameter." -ForegroundColor Yellow
            $isAllGood = $false
        }
    }
}

if ($isAllGood -eq $false)
{
    Write-Host (get-date -Format "dd-MMM-yyyy hh:mm:ss tt") ": ERROR: Exiting Script." -ForegroundColor Yellow
    EXIT
}
#...................................
#EndRegion PARAMETER CHECK
#...................................

#...................................
#Region PATHS
#...................................
$logFile = $logDirectory +"\Log_$((get-date).tostring("yyyy_MMM_dd")).log"
$outputHTMLFile = $reportDirectory +"\IIS_SMTPServer_Report_$((get-date).tostring("yyyy_MMM_dd")).html"

#Create folders if not found
if ($logDirectory)
{
    if (!(Test-Path $logDirectory)) 
    {
        New-Item -ItemType Directory -Path $logDirectory | Out-Null
        #start transcribing
        Start-TxnLogging $logFile
        
    }
    else
    {
        Start-TxnLogging $logFile
    }
}

if (!(Test-Path $reportDirectory))
{
    New-Item -ItemType Directory -Path $reportDirectory | Out-Null
}
#...................................
#EndRegion PATHS
#...................................

#...................................
#Region COLLECT IIS SMTP SERVER DETAILS
#...................................
$serverCollection = @()
foreach ($computer in $computerName)
{
    Write-host (Get-Date -Format "dd-MMM-yyyy hh:mm:ss tt") ": Processing $($computer)" -ForegroundColor Yellow
    #$prop = "" | Select-Object Computer,QueueDirectory,PickupDirectory,BadMailDirectory,DropDirectory,Service,QueueCount,PickupCount,BadMailCount,DropCount,QueueSize,PickupSize,BadMailSize,DropSize,QueueStatus,PickupStatus,BadMailStatus,DropStatus,ServiceStatus,ServerStatus,CheckItems

    $prop = [ordered]@{
        Computer=""
        QueueDirectory=""
        PickupDirectory=""
        BadMailDirectory=""
        DropDirectory=""
        Service=""
        QueueCount=0
        PickupCount=0
        BadMailCount=0
        DropCount=0
        QueueSize=0
        PickupSize=0
        BadMailSize=0
        DropSize=0
        QueueStatus="Passed"
        PickupStatus="Passed"
        BadMailStatus="Passed"
        DropStatus="Passed"
        ServiceStatus="Passed"
        ServerStatus="Passed"
        CheckItems=@()
    }
    #NOTE: This script will only check the default folders
    $svcStatus = Get-Service -ComputerName $computer -Name SMTPSVC -ErrorAction SilentlyContinue -ErrorVariable svcErr
    $prop.Computer = $computer

    #computer Status
    $prop.QueueDirectory = "\\$($computer)\c$\inetpub\mailroot\queue"
    $prop.PickupDirectory = "\\$($computer)\c$\inetpub\mailroot\pickup"
    $prop.BadMailDirectory = "\\$($computer)\c$\inetpub\mailroot\badmail"
    $prop.DropDirectory = "\\$($computer)\c$\inetpub\mailroot\drop"

    $queue = Get-ChildItem $prop.QueueDirectory -ErrorAction SilentlyContinue -ErrorVariable queueVar | Measure-Object -property length -sum
    $pickup = Get-ChildItem $prop.PickupDirectory -ErrorAction SilentlyContinue -ErrorVariable pickupVar | Measure-Object -property length -sum
    $badmail = Get-ChildItem $prop.BadMailDirectory -ErrorAction SilentlyContinue -ErrorVariable badmailVar | Measure-Object -property length -sum
    $drop = Get-ChildItem $prop.DropDirectory -ErrorAction SilentlyContinue -ErrorVariable dropVar | Measure-Object -property length -sum

    #error checks
    if ($queueVar)
    {
        $prop.CheckItems += $queueVar.Exception.Message
        $prop.QueueDirectory = $queueVar.Exception.Message
        $prop.QueueCount = 0
        $prop.QueueSize = 0
        $prop.QueueStatus = "Failed"
        $prop.ServerStatus = "Failed"
    }
    else {
        $prop.QueueCount = [math]::Round($queue.count)
        $prop.QueueSize = [math]::Round(($queue.sum) / 1KB)
    }

    if ($pickupVar)
    {
        $prop.CheckItems += $pickupVar.Exception.Message
        $prop.PickupDirectory = $pickupVar.Exception.Message
        $prop.pickupCount = 0
        $prop.pickupSize = 0
        $prop.PickupStatus = "Failed"
        $prop.ServerStatus = "Failed"
    }
    else {
        $prop.pickupCount = [math]::Round($pickup.count)
        $prop.pickupSize = [math]::Round(($pickup.sum) / 1KB)
    }

    if ($badmailVar)
    {
        $prop.CheckItems += $badmailVar.Exception.Message
        $prop.BadMailDirectory = $badmailVar.Exception.Message
        $prop.badmailCount = 0
        $prop.badmailSize = 0
        $prop.BadMailStatus = "Failed"
        $prop.ServerStatus = "Failed"
    }
    else {
        $prop.badmailCount = [math]::Round($badMail.count)
        $prop.badmailSize = [math]::Round(($badMail.sum) / 1KB)
    }

    if ($dropVar)
    {
        $prop.CheckItems += $dropVar.Exception.Message
        $prop.DropDirectory = $dropVar.Exception.Message
        $prop.DropCount = 0
        $prop.dropSize = 0
        $prop.DropStatus = "Failed"
        $prop.ServerStatus = "Failed"
    }
    else {
        $prop.DropCount = [math]::Round($drop.count)
        $prop.dropSize = [math]::Round(($drop.sum) / 1KB)
    }
    
    #queue threshold tripped
    if ($queueThreshold -and ($queue.Count) -gt $queueThreshold)
    {
        $prop.QueueStatus = "Failed"
        $prop.ServerStatus = "Failed"
        $prop.CheckItems += "Queue Count is $($queue.Count) which is over the theshold of $($queueThreshold)"
    }

    #pickup threshold tripped
    if ($pickupThreshold -and ($pickup.count) -gt $pickupThreshold)
    {
        $prop.PickupStatus = "Failed"
        $prop.ServerStatus = "Failed"
        $prop.CheckItems += "Pickup Count is $($pickup.Count) which is over the theshold of $($pickupThreshold)"
    }

    #badmail threshold tripped
    if ($badMailThreshold -and ($badmail.count) -gt $badMailThreshold)
    {
        $prop.BadMailStatus = "Failed"
        $prop.ServerStatus = "Failed"
        $prop.CheckItems += "BadMail Count is $($badmail.Count) which is over the theshold of $($badMailThreshold)"
    }

    #drop threshold tripped
    if ($dropThreshold -and ($drop.Count) -gt $dropThreshold)
    {
        $prop.DropStatus = "Failed"
        $prop.ServerStatus = "Failed"
        $prop.CheckItems += "Drop Count is $($drop.Count) which is over the theshold of $($dropThreshold)"
    }
    
    
    #Service Status
    if (!$svcErr)
    {
        $prop.Service = $svcStatus.Status
        if ($prop.Service -ne 'Running')
        {
            $prop.ServiceStatus = "Failed"
            $prop.ServerStatus = "Failed"
            $prop.CheckItems += "SMTP Service is not in 'Running' state"            
        }
    }
    else {
        $prop.Service = $svcErr.Exception.Message
        $prop.ServiceStatus = "Failed"
        $prop.ServerStatus = "Failed"
        $prop.CheckItems += ("Service Error: " + $svcErr.Exception.Message)
        
    }

    $obj = New-Object PSObject -Property $prop
    
    $serverCollection += $obj
    
}

$serverCollection
#...................................
#EndRegion COLLECT IIS SMTP SERVER DETAILS
#...................................

#...................................
#Region HTML REPORT
#...................................
$failedServers = $serverCollection | Where-Object {$_.ServerStatus -ne 'Passed'}
$mailSubject = "IIS Virtual SMTP Service Report"
if ($orgName)
{
    $mailSubject = "[$($orgName)] | IIS Virtual SMTP Service Report"    
}
else 
{
    $mailSubject = "IIS Virtual SMTP Service Report"
}

if ($failedServers)
{
    $mailSubject = "ALERT!!! - $($mailSubject)"
}


$htmlBody = "<html><head><title>"
if ($orgName) 
{
    $header = "$($orgName)<br />IIS Virtual SMTP Service Report<br />$($today)"
}
else 
{
    $header = "IIS Virtual SMTP Service Report<br />$($today)"    
}
$htmlBody += "</title><meta http-equiv=""Content-Type"" content=""text/html; charset=ISO-8859-1"" />"
$htmlBody += $css_string
$htmlBody += '</head><body>'
$htmlBody += '<table id="HeadingInfo">'
$htmlBody += '<tr><th>'+$header+'</th></tr>'
$htmlBody += '</table><hr />'

$htmlBody += '<table id="SectionLabels">'
$htmlBody += '<tr><th class="data">Issue Summary</th></tr></table>'
$htmlBody += '<table id="data"><tr><th>Computer</th><th>Details</th></tr>'

if ($failedServers)
{
    foreach ($s in $failedServers)
    {
        $htmlBody += '<tr><td class="bad">' + $s.Computer + '</td><td class="bad"><ol type="1"><li>'+ ($s.CheckItems -join "</li><li>")+'</li></ol></td>'
    }
}
else 
{
    $htmlBody += '<tr><td class="good">NO ISSUES</td><td class="good">NO ISSUES</td>'
}
$htmlBody += '</table><hr />'

$htmlBody += '<table id="SectionLabels">'
$htmlBody += '<tr><th class="data">Server Details</th></tr></table>'
$htmlBody += '<table id="data">'
$htmlBody += '<tr><th>Computer</th><th>Service</th><th>Queue [Count/Size (KB)]</th><th>Pickup [Count/Size (KB)]</th><th>BadMail [Count/Size (KB)]</th><th>Drop [Count/Size (KB)]</th></tr>'
foreach ($s in $serverCollection)
{    
    
    $htmlBody += '<tr><td>'+$s.Computer+'</td>'
    $htmlBody += '<td class="'+ (invoke-Command {if ($s.ServiceStatus -eq 'Passed'){return "good"}else{return "bad"}}) +'">'+ $s.ServiceStatus + '</td>'
    $htmlBody += '<td class="'+ (invoke-Command {if ($s.QueueStatus -eq 'Passed'){return "good"}else{return "bad"}}) +'">'+($s.QueueCount.ToString('N0'))+' / '+($s.QueueSize.ToString('N0'))+' KB</td>'
    $htmlBody += '<td class="'+ (invoke-Command {if ($s.PickupStatus -eq 'Passed'){return "good"}else{return "bad"}}) +'">'+($s.PickupCount.ToString('N0'))+' / '+($s.PickupSize.ToString('N0'))+' KB</td>'
    $htmlBody += '<td class="'+ (invoke-Command {if ($s.BadMailStatus -eq 'Passed'){return "good"}else{return "bad"}}) +'">'+($s.BadMailCount.ToString('N0'))+' / '+($s.BadMailSize.ToString('N0'))+' KB</td>'
    $htmlBody += '<td class="'+ (invoke-Command {if ($s.DropStatus -eq 'Passed'){return "good"}else{return "bad"}}) +'">'+($s.DropCount.ToString('N0'))+' / '+($s.DropSize.ToString('N0'))+' KB</td>'
}
$htmlBody += '</table><hr />'

$htmlBody += '<p><font size="2" face="Segoe UI"><b><center>----END of REPORT----</center></b><br />'
$htmlBody += '<p><font size="2" face="Segoe UI"><u>Report Paremeters</u><br />'
$htmlBody += '<b>[THRESHOLD]</b><br />'
$htmlBody += 'Queue: ' +  $queueThreshold + '<br />'
$htmlBody += 'Pickup: ' + $pickupThreshold + '<br />'
$htmlBody += 'BadMail: ' + $badMailThreshold + '<br />'
$htmlBody += 'Drop: ' + $dropThreshold + '<br />'
$htmlBody += '<br /><b>[MAIL]</b><br />'
$htmlBody += 'SMTP Server: ' + $smtpServer + '<br />'
$htmlBody += 'Port: ' + $Port + '<br />'
$htmlBody += 'SSL: ' + $useSSL + '<br />'
$htmlBody += 'Authentication: ' + $smtpAuthRequired + '<br />'
$htmlBody += '<br /><b>[REPORT]</b><br />'
$htmlBody += "Generated from Server: $($env:COMPUTERNAME)<br />"
$htmlBody += 'Script Path: ' + $MyInvocation.MyCommand.Definition
$htmlBody += '<p>'
$htmlBody += '<a href="'+ ($scriptInfo.ProjectURI) +'">IIS Smtp State '+ ($scriptInfo.Version) +'</a>'

$htmlBody += '</body></html>'
$htmlBody | Out-File $outputHTMLFile
Write-host (Get-Date -Format "dd-MMM-yyyy hh:mm:ss tt") ": Report saved in $($outputHTMLFile)" -ForegroundColor Yellow
#...................................
#EndRegion HTML REPORT
#...................................

#...................................
#Region SEND REPORT
#...................................
if ($sendEmail)
{
    [string]$mailBody = Get-Content $outputHTMLFile -Raw
    $mailParams = @{
        From = $From
        To = $To
        smtpServer = $smtpServer
        Port = $Port
        useSSL = $useSSL
        body = $mailBody
        bodyashtml = $true
        subject = ($mailSubject +  " | $($today)")
    }
    
    $mailParams += @{priority = (Invoke-Command {if ($failedServers) {return "HIGH"} else {return "LOW"}})}
        
    if ($smtpAuthRequired)
    {
        $mailParams += @{credential = $smtpCredential}
    }

    #Always
    if ($sendEmail -eq 'Always')
    {
        Write-Host (get-date -Format "dd-MMM-yyyy hh:mm:ss tt") ": Sending email to" ($To -join ", ") -ForegroundColor Yellow
        Send-MailMessage @mailParams
    }

    #ErrorOnly AND failedServerCount
    if ($sendEmail -eq 'ErrorOnly' -and $failedServers)
    {
        Write-Host (get-date -Format "dd-MMM-yyyy hh:mm:ss tt") ": Sending email to" ($To -join ", ") -ForegroundColor Yellow
        Send-MailMessage @mailParams
    }
    elseif ($sendEmail -eq 'ErrorOnly' -and !$failedServers)
    {
        Write-Host "INFO: ErrorOnly is specified but no issues were detected. Abort notification." -ForegroundColor Yellow
    }
}
#...................................
#EndRegion SEND REPORT
#...................................

#...................................
#Region NOTIFY MS TEAMS
#...................................
if ($notifyTeams)
    {
        #Construct Issue Summary
        if ($failedServers)
        {
            $facts = @()
            $failedServers | ForEach-Object {
                $facts += @{name = $_.Computer;value= ($_.CheckItems -join "<")}
            }
        }

        if ($failedServers)
        {
            $summaryFactSet = @()
            foreach ($f in $failedServers)
            {
                $summaryFactSet += @{
                    name = "Computer"
                    value = "<font color=""red""><b>$($f.Computer)</b></font>"
                }

                $i=1
                foreach ($c in $f.CheckItems)
                {
                    $summaryFactSet += @{
                        name = "Issue $($i):"
                        value = "[$($f.Computer)]: $($c.ToString())"
                    }
                    $i=$i+1
                }
            }            
        }
        else 
        {
            $summaryFactSet = @()
            $summaryFactSet += @{
                name = "Summary Status:"
                value = "<font color=""GREEN""><b>NO ISSUES</b></font>"
            }
        }

        #construct details
        $detailFactSet = @()
        foreach ($s in $serverCollection)
        {
            $detailFactSet += @{
                name = "Computer:"
                value = '<font color="'+ (Invoke-Command {if ($s.ServerStatus -eq 'Passed'){return "green"}else{return "red"}})+'"><b><u>'+($s.Computer)+'</u></b></font>'
            }
            $detailFactSet += @{
                name = "Service:"
                value = '<font color="'+ (Invoke-Command {if ($s.ServiceStatus -eq 'Passed'){return "green"}else{return "red"}})+'"><b>'+($s.ServiceStatus)+'</b></font>'
            }
            $detailFactSet += @{
                name = "Queue:"
                value = '<font color="'+ (Invoke-Command {if ($s.QueueStatus -eq 'Passed'){return "green"}else{return "red"}})+'"><b>'+($s.QueueCount.ToString('N0'))+' / '+($s.QueueSize.ToString('N0'))+' KB</b></font>'
            }
            $detailFactSet += @{
                name = "Pickup:"
                value = '<font color="'+ (Invoke-Command {if ($s.PickupStatus -eq 'Passed'){return "green"}else{return "red"}})+'"><b>'+($s.PickupCount.ToString('N0'))+' / '+($s.PickupSize.ToString('N0'))+' KB</b></font>'
            }
            $detailFactSet += @{
                name = "BadMail:"
                value = '<font color="'+ (Invoke-Command {if ($s.BadMailStatus -eq 'Passed'){return "green"}else{return "red"}})+'"><b>'+($s.BadMailCount.ToString('N0'))+' / '+($s.BadMailSize.ToString('N0'))+' KB</b></font>'
            }
            $detailFactSet += @{
                name = "Drop:"
                value = '<font color="'+ (Invoke-Command {if ($s.DropStatus -eq 'Passed'){return "green"}else{return "red"}})+'"><b>'+($s.DropCount.ToString('N0'))+' / '+($s.DropSize.ToString('N0'))+' KB</b></font>'
            }            
        }
        
        $teamsMessage = ConvertTo-Json -Depth 4 @{
            title = $mailSubject
            text = $today
    
            sections = @(
                @{
                    activityTitle = "SMTP Virtual Server Health Check"
                    activityImage = "https://raw.githubusercontent.com/junecastillote/Get-IISSmtpState/2.0/res/smtpIcon.png"
                    activityText = ""
                },
                @{
                    title = "<h4>Summary</h4>"
                    facts = @(
                        $summaryFactSet
                    )
                }, 
                @{
                    title = "<h4>Server Details</h4>"
                    facts = @(
                        $detailFactSet
                    )
                },               
                @{
                    title = "<h4>Settings</h4>"
                    facts = @(
                        @{
                            name = "Source:"
                            value = $env:COMPUTERNAME
                        },
                        @{
                            name = "Script File:"
                            value = $MyInvocation.MyCommand.Definition
                        },
                        @{
                            name = "Html Report File:"
                            value = $outputHTMLFile
                        },
                        @{
                            name = "Script Version:"
                            value = "<a href=""$($scriptInfo.ProjectURI)"">$($MyInvocation.MyCommand.Definition.ToString().Split("\")[-1].Split(".")[0]) $($scriptInfo.version)</a>"
                        }
                    )
                }
            )
        }
        
        #notify on issues only, and issue(s) detected.
        if ($notifyTeamsOnAlertsOnly -and $failedServers)
        {
            Write-Host (get-date -Format "dd-MMM-yyyy hh:mm:ss tt") ": Sending Teams Notification" -ForegroundColor Green
            foreach ($uri in $notifyTeams)
            {
                try {
                    Invoke-RestMethod -uri $uri -Method Post -body $teamsMessage -ContentType 'application/json' -ErrorAction Stop
                }
                catch {
                    Write-Host "FAILED: $($_.exception.message)" -ForegroundColor RED
                }
            }            
        }
        #notify on issues only, and NO issue(s) detected. DO NOTHING.
        elseif ($notifyTeamsOnAlertsOnly -and !$failedServers)
        {
            Write-Host "INFO: notifyTeamsOnAlertsOnly is specified but no issues were detected. Abort notification." -ForegroundColor Yellow
            BREAK
        }
        #notify everytime.
        else 
        {
            Write-Host (get-date -Format "dd-MMM-yyyy hh:mm:ss tt") ": Sending Teams Notification" -ForegroundColor Green
            foreach ($uri in $notifyTeams)
            {
                try {
                    Invoke-RestMethod -uri $uri -Method Post -body $teamsMessage -ContentType 'application/json' -ErrorAction Stop
                }
                catch {
                    Write-Host "FAILED: $($_.exception.message)" -ForegroundColor RED
                }
            }    
        }
    }   
#...................................
#EndRegion NOTIFY MS TEAMS
#...................................
Stop-TxnLogging