How to monitor Exchange Queues?

How to monitor Exchange Queues / How to setup an Alert for Exchange Queues...

#Author : Nishant Naidu

#Technet - i-TechNinja

# https://social.technet.microsoft.com/profile/i-tech%20ninja/
#https://itechninja.blogspot.in/
#https://crazycerebro.blogspot.in
#https://social.technet.microsoft.com/wiki/contents/articles/47620.how-to-monitor-exchange-queues-how-to-setup-an-alert-for-exchange-queues.aspx

#load Snapin

Add-PSSnapin Microsoft.Exchange.Management.PowerShell.SnapIn;

#Set Mailing parameters

$sendMailMessageParams = @{
    Smtpserver = " smtp server "
    To         = " To? "
    From       = " From? "
}

# HTML Body


$head = "<style>",

        "BODY { background-color: white; }",

        "TABLE { border-width: 1px; border-style: solid; border-color: black; border-collapse: collapse; }",

        "TH { border-width: 1px; padding: 5px; border-style: solid; border-color: black; foreground-color: black; background-color: LightBlue}",

        "TD { border-width: 1px; padding: 5px; border-style: solid; border-color: black; foreground-color: black; background-color: white}",

        "</style>" | Out-String

#Logic to setup

if ($Queue = Get-ExchangeServer | Where { $_.isHubTransportServer -eq $true } | Get-Queue | Where-Object { $_.MessageCount -gt 200 } | Select Identity, DeliveryType, NextHopDomain, RiskLevel, MessageCount, Status, Velocity) {  $body = $Queue | ConvertTo-Html -Head $head | Out-String
#Invoke     
Send-MailMessage -Subject "Exchange Queue Alerts-Threshold 200" -Priority High -Body $body -BodyAsHtml @sendMailMessageParams
}
else{
    Send-MailMessage -Subject "Exchange Queue Alerts-Threshold 200" -Body "Queues are below Threshold limit - 200 "-BodyAsHtml @sendMailMessageParams
}