Description
High Volume Email is a new service for line of business applications and other high-volume SMTP scenarios that enables you to send internal messages beyond the current limits of Exchange Online.
Change History
October 4, 2025 at 12:00 AM
Updated
Release Date
Previous
September CY2025
New
March CY2026
Modified Date
Previous
2024-10-07T23:15:10.000Z
New
2025-10-03T22:00:02.000Z
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