| Vuln ID | Severity | Asset | STIG | Title | Status | Doc Status | Assigned To | Actions |
|---|---|---|---|---|---|---|---|---|
| V-228380 | CAT III | MONT-MB-002 | Microsoft Exchange 2016 Mailbox Server S... | Exchange Mail Quota settings must not restrict rec... | - | |||
Check TextReview the Email Domain Security Plan (EDSP) or document that contains this information. Determine the value for the Prohibit Send Quota limit. Open the Exchange Management Shell and enter the following command: Get-MailboxDatabase | Select Name, Identity, ProhibitSendQuota If the value of "ProhibitSendQuota" is not set to the site's Prohibit Send Quota limit, this is a finding. Fix TextUpdate the EDSP to specify the value for the Prohibit Send Quota limit or verify that this information is documented by the organization. Open the Exchange Management Shell and enter the following command: Set-MailboxDatabase -Identity <'IdentityName'> -ProhibitSendQuota <'QuotaLimit'> Note: The <IdentityName> and <QuotaLimit> values must be in single quotes. Finding DetailsEvaluate-STIG 1.2507.5 (Scan-MSExchange2016MB_Checks) was unable to determine a Status but found the below configuration on 10/23/2025: ResultHash: E46671D88E7FAA88712CCF6E1323EC60845D75AA ~~~~~ MB-002-DefaultDB ProhibitSendQuota IsUnlimited: False Value: 2 GB (2,147,483,648 bytes)
Source: _Reviewed/MONT-MB-002/Checklist/MONT-MB-002_MSExchange2016MB_V2R6_20251023-152357.ckl
Scan Date: 2026-01-14T12:57:33.455034
Technology Area: Exchange Server
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