Detections
Analytics

1.31 EX19-MB-000122

Information

Exchange mail quota settings must not restrict receiving mail.

GROUP ID: V-259675
RULE ID: SV-259675r961152

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.

Solution

Open the Exchange Management Shell and enter the following command:

Set-MailboxDatabase -Identity <'IdentityName'> -ProhibitSendReceiveQuota Unlimited

Note: The <IdentityName> value must be in quotes.

or

Enter the value as identified by the EDSP that has obtained a signoff with risk acceptance.

See Also

https://workbench.cisecurity.org/benchmarks/23653

Item Details

Category: SYSTEM AND COMMUNICATIONS PROTECTION

References: 800-53|SC-5(1), CAT|III, CCI|CCI-001094, Rule-ID|SV-259675r961152_rule, STIG-ID|EX19-MB-000122, Vuln-ID|V-259675

Plugin: Windows

Control ID: 44f9f4e865a7e9893f1ada2efbf2d1731806a0e7dcd5138e0fe4f9b79718d3fa