An Azure communication platform for deploying applications across devices and platforms.
Thank you reaching us regarding the issue.
To enable the +Add button for adding more MailFroms to your custom domain, you first need to increase your default email sending limit. To do this, please 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. or clink on below link https://portal.azure.com/#create/Microsoft.Support
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
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