Is there a way to lower the sending limit for certain workspace OUs?
We allow students to use email, however, student accounts are more prone to being compromised due to lack of MFA and poor cyber hygiene. We track account abuse closely using the alert center, however a single compromised account can send thousands of SPAM/PHISHING messages before it is disabled. I would like to limit student accounts to only sending a max of 25 messages per day to external recipients.
The closest restriction I can find is in the Compliance Rules which restricts by recipient domain, but not total mail quota.
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