Microsoft scraps Exchange Online spam clamp after customers cry foul
ID: ea40f6ca-6321-54cc-88dc-4c51b129f37f
STIX ID: report--ea40f6ca-6321-54cc-88dc-4c51b129f37f
Feed Name: The Register (Security)
Microsoft canceled a planned 2,000-per-day external recipient rate limit for Exchange Online mailboxes after customer pushback over operational disruptions, particularly for integrations and bulk-sending needs. Originally slated for new tenants in 2025 with rollout into 2026, the measure aimed to reduce spam from compromised accounts; Microsoft now promises less disruptive, adaptive protections while existing recipient limits remain in place.
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