How to Set Per Domain Email Size and User Limits in SecurityGateway for Email
This tutorial shows how to set a size limit on all email messages for a domain, and how to limit the number of users for a domain in SecurityGateway for Email.
SecurityGateway is secure email gateway software that protects any hosted or on-premise mail server, including Office 365, Microsoft Exchange Server, Zimbra, IceWarp, and others, from spam, phishing, malware, and other email-borne threats.