Microsoft cancels Exchange Online bulk email rate limit plans

Timeline

1. 06.01.2026 22:49 1 articles · 23h ago

   Microsoft cancels Exchange Online bulk email rate limit plans

   Microsoft announced the cancellation of its planned daily limit of 2,000 external recipients for Exchange Online bulk email senders. The decision was made in response to customer feedback regarding operational challenges. The company will now seek alternative solutions to address spam and abuse concerns.

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   • Microsoft cancels plans to rate limit Exchange Online bulk emails — www.bleepingcomputer.com — 06.01.2026 22:49

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Information Snippets

• Microsoft planned to enforce a daily limit of 2,000 external recipients on Exchange Online bulk email senders starting January 2025.

  First reported: 06.01.2026 22:49
  1 source, 1 article
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  • Microsoft cancels plans to rate limit Exchange Online bulk emails — www.bleepingcomputer.com — 06.01.2026 22:49

• The plan was canceled due to significant operational challenges reported by customers.

  First reported: 06.01.2026 22:49
  1 source, 1 article
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  • Microsoft cancels plans to rate limit Exchange Online bulk emails — www.bleepingcomputer.com — 06.01.2026 22:49

• Existing Recipient Rate limit of 10,000 recipients and Tenant External Recipient Rate Limit of 5,000 external recipients per day will remain unchanged.

  First reported: 06.01.2026 22:49
  1 source, 1 article
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  • Microsoft cancels plans to rate limit Exchange Online bulk emails — www.bleepingcomputer.com — 06.01.2026 22:49

• Google is also strengthening defenses against spam and phishing attacks, requiring bulk senders to meet stricter spam thresholds and authentication standards.

  First reported: 06.01.2026 22:49
  1 source, 1 article
  Show sources

  • Microsoft cancels plans to rate limit Exchange Online bulk emails — www.bleepingcomputer.com — 06.01.2026 22:49