How to increase quota Communication Service Mail?

Question

How to increase quota Communication Service Mail?

Nhan Nguyen 41

Hi,

I have a limit default in Azure Communication Services sending Email. Follow in this link guide: https://learn.microsoft.com/en-us/azure/communication-services/concepts/email/email-quota-increase#5-request-an-email-quota-increase

But I cannot submit new support request

Your cloud service provider manages your subscription.

To submit a technical support request for this subscription, please contact your service provider.

Please help.

Thanks.

Aditya N 2,980 Reputation points Microsoft External Staff Moderator

2026-05-26T08:49:53.7233333+00:00
Hello @Nhan Nguyen

Thank you for reaching out to us regarding the issue and for providing your suggestion @TP. You are looking to increase your email sending quota for Azure Communication Services. For this you need to create a support request. Before you make the request, assess how many emails you plan to send. Consider key factors like:

Maximum messages per minute

Maximum messages per hour

Maximum messages per day

Please follow the below steps to create support request in Azure Portal.

Sign in to the Help + support - Microsoft Azure

Click on Create support request.

Enter quota in the box and click on 'Go'.

Search for Quota type: Select Service and Subscription Limits(Quotas)

Then click on Create a support request.

Select Quota type as Azure Communication Services Email: Sending Limits

3.Click on "Next"

4.Then provide the details as the requirement.

Next click on Save and Continue.

You will see fields related to email sending quotas like region etc.

Fill the details and Click on Review+Create.

Reference: https://learn.microsoft.com/en-us/azure/azure-portal/supportability/how-to-create-azure-support-request https://learn.microsoft.com/en-us/azure/communication-services/concepts/email/email-quota-increase https://learn.microsoft.com/en-us/azure/communication-services/concepts/service-limits#email

Kindly let us know if the above comment helps or you need further assistance on this issue.

Please "Accept" if the information helped you. This will help us and others in the community as well.
Nhan Nguyen 41 Reputation points

2026-05-27T01:29:01.54+00:00

Hello @Aditya N ,

Thank you for your guide detail. But at step 3, I can not do any more.
Aditya N 2,980 Reputation points Microsoft External Staff Moderator

2026-06-02T12:21:57.5133333+00:00

Hello @Nhan Nguyen

Please could you let us know from where you purchased your subscription. Could you please confirm if you had purchased subscription directly from Microsoft.
Nhan Nguyen 41 Reputation points

2026-06-03T04:32:56.85+00:00

Hello @Aditya N
I have already contacted Microsoft Support regarding this matter.

We can close this issue.

Thank you for your help.
Regards,

Nhan

1 answer

Your answer

Aditya N 2,980 Reputation points Microsoft External Staff Moderator

2026-05-26T08:49:53.7233333+00:00

Hello @Nhan Nguyen

Thank you for reaching out to us regarding the issue and for providing your suggestion @TP. You are looking to increase your email sending quota for Azure Communication Services. For this you need to create a support request. Before you make the request, assess how many emails you plan to send. Consider key factors like:

Maximum messages per minute

Maximum messages per hour

Maximum messages per day

Please follow the below steps to create support request in Azure Portal.

Sign in to the Help + support - Microsoft Azure

Click on Create support request.

Enter quota in the box and click on 'Go'.

Search for Quota type: Select Service and Subscription Limits(Quotas)

Then click on Create a support request.

Select Quota type as Azure Communication Services Email: Sending Limits

3.Click on "Next"

4.Then provide the details as the requirement.

Next click on Save and Continue.

You will see fields related to email sending quotas like region etc.

Fill the details and Click on Review+Create.

Reference: https://learn.microsoft.com/en-us/azure/azure-portal/supportability/how-to-create-azure-support-request https://learn.microsoft.com/en-us/azure/communication-services/concepts/email/email-quota-increase https://learn.microsoft.com/en-us/azure/communication-services/concepts/service-limits#email

Kindly let us know if the above comment helps or you need further assistance on this issue.

Please "Accept" if the information helped you. This will help us and others in the community as well.
Nhan Nguyen 41 Reputation points

2026-05-27T01:29:01.54+00:00

Hello @Aditya N ,

Thank you for your guide detail. But at step 3, I can not do any more.
Aditya N 2,980 Reputation points Microsoft External Staff Moderator

2026-06-02T12:21:57.5133333+00:00

Hello @Nhan Nguyen

Please could you let us know from where you purchased your subscription. Could you please confirm if you had purchased subscription directly from Microsoft.
Nhan Nguyen 41 Reputation points

2026-06-03T04:32:56.85+00:00

Hello @Aditya N
I have already contacted Microsoft Support regarding this matter.

We can close this issue.

Thank you for your help.
Regards,

Nhan

Answer 1

For subscriptions managed by a cloud service provider (CSP), technical support and quota changes must be requested through that provider, not directly in the Azure portal.

To increase the Azure Communication Services Email sending quota in this scenario:

Collect the information required for an email quota increase as described in the quota increase guidance (business use case, expected volumes, failure rates, domain details, etc.).
Provide this information to the cloud service provider that manages the subscription and ask them to open an Azure support request on behalf of the subscription, specifically a Service and subscription limits (quotas) request for Azure Communication Services Email: Sending Limits.
Ensure that a verified custom domain is configured for Azure Communication Services Email, because higher quotas are only available for verified custom domains, not Azure-managed domains.
Before requesting higher limits, make sure the email failure rate is below the documented threshold (less than 1%) and that sender reputation is healthy, as these are considered during approval.

The CSP’s support channel is the only path to submit the required quota increase request when the subscription is CSP-managed.

References:

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How to increase quota Communication Service Mail?

1 answer

Your answer