Removing mail stuck in retry queue in Exchange

Everyone working with mail has seen this, messages and NDRs stuck in retry queues mostly thanks to spam and malware.

These fine lines of Powershell will remove all messages from retry queues without sending NDR for each message.


# Empty Exchange retry queues without NDR
# Written by Per-Torben Sørensen (per-torben.sorensen@evry.com)
#
# Version: 1.0
#*********************************************************************************************
# Change the settings below
#
$Servers = "CAS01","CAS02" # Enter the name of all CAS servers
#*********************************************************************************************
# Variables below
#
add-pssnapin Microsoft.Exchange.Management.PowerShell.E2010
#*********************************************************************************************
foreach ($server in $servers)
{
$retryqueues = get-queue -Server $server -filter {Status -eq "Retry"}
foreach ($queue in $retryqueues)
{
Get-Message -Queue $queue.identity | Remove-Message -WithNDR $false -Confirm:$false
}
}

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