TMAegis
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TMA-EXCHANGE-1.4

Ensure 'Blank sender field' is configured

MittelStufe 1Automatisiertexchange

Beschreibung

When the Sender Filter Agent takes on messages from blocked senders or domains, the Action parameter is what is used when deciding what to do with these messages. Prints compliant when sender filter Action is Reject and BlankSenderBlockingEnabled is True. Run on each Edge Transport server. Run from an Exchange Management Shell or after `Add-PSSnapin Microsoft.Exchange.Management.PowerShell.SnapIn`; the audit loads the snap-in itself when Get-ExchangeServer is missing and fails if it cannot.

So wird geprüft

Prüfmethode: Shell-Befehl

shell
$ErrorActionPreference = 'Stop'; if (-not (Get-Command Get-ExchangeServer -ErrorAction SilentlyContinue)) { Add-PSSnapin Microsoft.Exchange.Management.PowerShell.SnapIn -ErrorAction Stop }; if (-not (Get-Command Get-ExchangeServer -ErrorAction SilentlyContinue)) { throw 'Exchange Management Shell cmdlets are not available' }; $c = Get-SenderFilterConfig -ErrorAction Stop; if ("$($c.Action)" -eq 'Reject' -and $c.BlankSenderBlockingEnabled -eq $true) { 'compliant' } else { 'noncompliant' }
Erwartete Ausgabe
compliant

So wird behoben

Behebungsmethode: Anleitung oder Infrastruktur-Patch

Set-SenderFilterConfig -Action Reject -BlankSenderBlockingEnabled $true

Eigenschaften

Betriebssysteme
Beliebig
Tags
exchangeantispam
Referenz
CIS Microsoft Exchange Server 2019 Benchmark v1.0.1 - 1.4 Ensure 'Blank sender field' is configured

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shell
tmaegis scan --target exchange