check before: 2025-01-01
Product:
Exchange
Platform:
Online, US Instances, World tenant
Status:
Change type:
Admin impact, Feature update, Updated message
Links:
Details:
Summary:
Beginning January 2025, Exchange Online will enforce a new External Recipient Rate limit of 2000 recipients per 24 hours, introduced in two phases for new and existing tenants. This limit is part of the overall 10000 Recipient Rate limit, aiming to prevent abuse of services. Organizations exceeding this limit should consider Azure Communication Services for Email.
Details:
Updated November 15, 2024: We have made the decision to not proceed with this change for DoD, GCC, or GCC High organizations at this time. We will communicate via Message center when we are ready to proceed. The External Recipient Rate Limit will only apply to WWMT/Production.
Today, we are announcing that, beginning in January 2025, Exchange Online will begin enforcing an external recipient rate limit of 2000 recipients in 24 hours.
Exchange Online does not support bulk or high-volume transactional email. We have not enforced limiting of bulk email until now, but we plan on doing so with the introduction of an External Recipient Rate (ERR) limit. The ERR limit is being introduced to help reduce unfair usage and abuse of Exchange Online resources.
[When this will happen:]
The new ERR limit will be introduced in 2 phases:
Phase 1 - Starting January 1, 2025, the limit will apply to cloud-hosted mailboxes of all newly created tenants.
Phase 2 - Between July and December 2025, we will start applying the limit to cloud-hosted mailboxes of existing tenants.
Change Category:
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Scope:
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Release Phase:
Created:
2024-04-27
updated:
2024-11-16
Task Type
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Docu to Check
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MS How does it affect me
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MS Preperations
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MS Urgency
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MS workload name
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MS Blog Link
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summary for non-techies**
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Direct effects for Operations**
External Recipient Rate Limit Enforcement
Users may experience disruptions in sending emails to external recipients if they exceed the new limit of 2000 recipients in a 24-hour period, leading to potential communication delays.
- roles: Email Administrators, End Users
- references: https://learn.microsoft.com/azure/communication-services/concepts/email/email-overview
Increased Dependency on Azure Communication Services
Organizations may need to transition to Azure Communication Services for Email to handle high-volume external communications, which could require additional training and integration efforts.
- roles: IT Administrators, Email Marketing Teams
- references: https://learn.microsoft.com/azure/communication-services/concepts/email/email-overview
User Experience Degradation
End users may face frustration and decreased productivity due to limitations on external email communications, impacting their ability to reach clients or partners effectively.
- roles: End Users, Sales Teams
- references: https://learn.microsoft.com/azure/communication-services/concepts/email/email-overview
Potential Increase in Support Tickets
The introduction of the ERR limit may lead to an increase in support requests from users who are unaware of the new limitations, straining IT support resources.
- roles: Help Desk Support, IT Administrators
- references: https://learn.microsoft.com/azure/communication-services/concepts/email/email-overview
Compliance and Policy Adjustments
Organizations may need to revise their email communication policies to align with the new limits, which could lead to confusion and non-compliance issues if not communicated properly.
- roles: Compliance Officers, IT Administrators
- references: https://learn.microsoft.com/azure/communication-services/concepts/email/email-overview
Configutation Options**
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Opportunities**
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Potentional Risks**
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IT Security**
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explanation for non-techies**
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** AI generated content. This information must be reviewed before use.
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change history
| Date | Property | old | new |
| 2024-11-16 | MC Messages | Updated May 31, 2024: We have made the decision to not proceed with this change for DoD or GCC High organizations at this time. We will communicate via Message center when we are ready to proceed.
Today, we are announcing that, beginning in January 2025, Exchange Online will begin enforcing an external recipient rate limit of 2000 recipients in 24 hours. Exchange Online does not support bulk or high-volume transactional email. We have not enforced limiting of bulk email until now, but we plan on doing so with the introduction of an External Recipient Rate (ERR) limit. The ERR limit is being introduced to help reduce unfair usage and abuse of Exchange Online resources. [When this will happen:] The new ERR limit will be introduced in 2 phases: Phase 1 - Starting January 1, 2025, the limit will apply to cloud-hosted mailboxes of all newly created tenants. Phase 2 - Between July and December 2025, we will start applying the limit to cloud-hosted mailboxes of existing tenants. | Updated November 15, 2024: We have made the decision to not proceed with this change for DoD, GCC, or GCC High organizations at this time. We will communicate via Message center when we are ready to proceed. The External Recipient Rate Limit will only apply to WWMT/Production.
Today, we are announcing that, beginning in January 2025, Exchange Online will begin enforcing an external recipient rate limit of 2000 recipients in 24 hours. Exchange Online does not support bulk or high-volume transactional email. We have not enforced limiting of bulk email until now, but we plan on doing so with the introduction of an External Recipient Rate (ERR) limit. The ERR limit is being introduced to help reduce unfair usage and abuse of Exchange Online resources. [When this will happen:] The new ERR limit will be introduced in 2 phases: Phase 1 - Starting January 1, 2025, the limit will apply to cloud-hosted mailboxes of all newly created tenants. Phase 2 - Between July and December 2025, we will start applying the limit to cloud-hosted mailboxes of existing tenants. |
| 2024-11-16 | MC Last Updated | 05/31/2024 21:14:17 | 2024-11-15T20:06:19Z |
| 2024-06-01 | MC Messages | Today, we are announcing that, beginning in January 2025, Exchange Online will begin enforcing an external recipient rate limit of 2000 recipients in 24 hours.
Exchange Online does not support bulk or high-volume transactional email. We have not enforced limiting of bulk email until now, but we plan on doing so with the introduction of an External Recipient Rate (ERR) limit. The ERR limit is being introduced to help reduce unfair usage and abuse of Exchange Online resources. [When this will happen:] The new ERR limit will be introduced in 2 phases: Phase 1 - Starting January 1, 2025, the limit will apply to cloud-hosted mailboxes of all newly created tenants. Phase 2 - Between July and December 2025, we will start applying the limit to cloud-hosted mailboxes of existing tenants. | Updated May 31, 2024: We have made the decision to not proceed with this change for DoD or GCC High organizations at this time. We will communicate via Message center when we are ready to proceed.
Today, we are announcing that, beginning in January 2025, Exchange Online will begin enforcing an external recipient rate limit of 2000 recipients in 24 hours. Exchange Online does not support bulk or high-volume transactional email. We have not enforced limiting of bulk email until now, but we plan on doing so with the introduction of an External Recipient Rate (ERR) limit. The ERR limit is being introduced to help reduce unfair usage and abuse of Exchange Online resources. [When this will happen:] The new ERR limit will be introduced in 2 phases: Phase 1 - Starting January 1, 2025, the limit will apply to cloud-hosted mailboxes of all newly created tenants. Phase 2 - Between July and December 2025, we will start applying the limit to cloud-hosted mailboxes of existing tenants. |
| 2024-06-01 | MC Title | Exchange Online to introduce External Recipient Rate Limit | (Updated) Exchange Online to introduce External Recipient Rate Limit |
| 2024-06-01 | MC Last Updated | 04/27/2024 01:12:49 | 2024-05-31T21:14:17Z |
| 2024-06-01 | MC MessageTagNames | Feature update, Admin impact | Updated message, Feature update, Admin impact |
Last updated 3 weeks ago
