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Quota increase for Email Communication Services (MailFrom Addressess)

Tai Li 60 Reputation points
2026-05-04T05:05:25.85+00:00

Hi,

As on subject, will need assistance on the quota increase.

Thank you.

Azure Communication Services
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  1. TP 156.6K Reputation points Volunteer Moderator
    2026-05-04T05:09:43.69+00:00

    Hi,

    Please carefully follow my instructions below to submit quota increase request and not get stuck in endless loop. The quota increase request is free.

    Please let me know if you have any issue creating case in a comment below and I will assist further. Let me know the exact step you get stuck on and post screenshot(s) if possible.

    Please carefully follow instructions below to create a new Service and subscription limits (quotas) request to increase quota for Azure Communication Services.

    1. Navigate to this link to start the process:

    https://portal.azure.com/#create/Microsoft.Support

    2. Enter quota in the box and click Go

    User's image

    3. Select Service and Subscription Limits (Quotas) / Service and subscription limits (quotas) and click Next

    enter image description here

    4. Click Create a support request button, as shown

    User's image

    5. Select Issue type: Service and subscription limits (quotas), Subscription: <subscription that needs quota increase>, Quota type: Azure Communication Services Email: Sending Limits, click Next

    support request Problem description tab

    6. Open Notepad (or other text editor). Navigate to Email quota increase article, click Copy button in upper right to copy text, and Paste it into Notepad. Add your company info to the file and answer all questions, then save to a .txt file on your computer. You will need this file later.

    7. On Additional details tab, click Enter details, select location, resource group, ACS Email domain resource, New Email sending limit you would like to request, confirm request by entering the tier enum (200, 225, 250, 275, 300, etc.) click Save and continue.

    User's image

    enter image description here

    8. Still on Additional details tab, click the blue file folder icon, select the .txt file you created above, and click Open to upload it.

    enter image description here

    9. Finish filling out Additional details tab, click Next, review information and click Create. You should receive an automated email within a few minutes.

    Please click Accept Answer and upvote if the above was helpful.

    Thanks.

    -TP

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  1. Golla Venkata Pavani 4,830 Reputation points Microsoft External Staff Moderator
    2026-05-04T08:39:52.33+00:00

    Hi @Tai Li

    Thank you for reaching us regarding the issue and Thank you @TP for posting your suggestions.

    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.

    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. Screenshot 2025-12-10 234101

    Select Quota type as Azure Communication Services Email: Sending Limits Screenshot 2025-12-10 225920

    3.Click on "Next" Screenshot 2025-12-10 231151

    4.Then provide the details as the requirement. Screenshot 2025-12-10 231411

    Next click on Save and Continue.

    You will see fields related to email sending quotas like region etc. Screenshot 2025-12-10 231913

    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.

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