Check: Exch-1-303
Exchange 2010 Mailbox Server STIG:
Exch-1-303
(in versions v1 r10 through v1 r9)
Title
Mail Store storage quota must limit send. (Cat III impact)
Discussion
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. There are multiple controls, which supply graduated levels of opportunity to respond before risking email service loss. This control prohibits the user from sending an email when the mailbox limit reaches the prohibit send quota value. Note: Best practice for this setting is to prohibit the user from sending email when the mailbox reaches 90 percent of capacity.
Check Content
Obtain the Email Domain Security Plan (EDSP) and locate the value for '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 sites 'ProhibitSendQuotaLimit', this is a finding.
Fix Text
Open the Exchange Management Shell and enter the following command: Set-MailboxDatabase <'MailboxDatabaseName'> -ProhibitSendQuota <'SitesProhibitSendQuotaLimit'>
Additional Identifiers
Rule ID: SV-44013r1_rule
Vulnerability ID: V-33593
Group Title: Exch-1-303
Expert Comments
CCIs
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No CCIs are assigned to this check |
Controls
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No controls are assigned to this check |