Mail quota settings must not restrict receiving mail.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-33591	Exch-1-301	SV-44011r2_rule		Low

Description
Mail quota settings control the maximum sizes of a user’s mailbox and the system’s response if these limits are exceeded. Mailbox data that is not monitored against a quota increases the risk of mail loss due to filled disk space, which can also render the system unavailable. Failure to allow mail receipt may impede users from receiving mission critical data.

STIG	Date
Exchange 2010 Mailbox Server STIG	2017-01-04

Details

Check Text ( C-41698r2_chk )
Open the Exchange Management Shell and enter the following command: Get-MailboxDatabase | Select Name, Identity, ProhibitSendReceiveQuota If the value of 'ProhibitSendReceiveQuota' is set to an alternate value, and has signoff and risk acceptance in the EDSP, this is not a finding. If the value of 'ProhibitSendReceiveQuota' is not set to 'Unlimited', this is a finding.

Fix Text (F-37483r2_fix)
Open the Exchange Management Shell and enter the following command: Set-MailboxDatabase <'MailboxDatabaseName'> -ProhibitSendReceiveQuota 'Unlimited' If an alternate value is desired from ProhibitSendReceiveQuota, obtain signoff with risk acceptance and document in the EDSP.