What benefit does Mimecast provide regarding data loss prevention?

Mimecast provides a significant benefit in terms of data loss prevention by stopping unauthorized sharing of sensitive information. This capability is essential for organizations that need to protect sensitive data such as personal information, financial data, or proprietary business information from being leaked or mishandled. Mimecast employs various techniques such as content inspection and policy enforcement to monitor outgoing emails and attachments, ensuring that sensitive information is not shared inappropriately or without proper authorization. By implementing these measures, Mimecast helps organizations comply with data protection regulations and maintain their reputation by minimizing the risk of data breaches.

The other options do not pertain to the core function of data loss prevention. For example, reducing email storage costs relates to managing storage efficiency rather than securing data. Enhancing the aesthetic appeal of emails is about the visual design and formatting rather than protecting sensitive information. Increasing email sending limits would impact operational efficiency but does not address the critical concern of safeguarding sensitive data within emails.