The specified sender domain has not been linked.Click here for more support.

Patrick Loh 25

Using Azure Communication Service for my wordpress hosting. Was able to send and receive emails when first setup. Suddenly saw in Azure email log with error message below
"The specified sender domain has not been linked.Click here for more support."

VenkateshDodda-MSFT 20,696 Reputation points Microsoft Employee

2023-11-20T05:55:29.64+00:00
@Patrick Loh Thanks for reaching out to Microsoft Q&A, apologize for any inconvenience caused on this.

Based on the error message, it looks like the domain you are trying to send an email is not linked to communication resource.

Are you using Azure Managed Domain or your own custom domain?

Could you please follow this documentation steps and connect your domain to azure communication service. Also, follow these [documented steps](https://learn.microsoft.com/en-us/azure/communication-services/quickstarts/email/send-email?tabs=windows%2Cconnection-string&pivots=platform-azportal() here on How to send an email

If you are still facing the issue, please do help us with the ACS resource Name, Sender Domain name, Operation/correlation id of Send email operation, issue start time (utc) to check and assist you further.
Patrick Loh 25 Reputation points

2023-11-20T06:09:29.8833333+00:00

thank for your reply. I checked the communication service is linked with my domain.
VenkateshDodda-MSFT 20,696 Reputation points Microsoft Employee

2023-11-20T06:14:57.8066667+00:00

@Patrick Loh I wish to engage with you offline for a much closer look and provide a quick and specialized assistance, please send an email with subject line “Attn:Venkatesh |thread title” to AzCommunity@microsoft.com referencing this thread with your ACS resource Name, Sender Domain name, Operation/correlation id of Send email operation, issue start time(UTC), I will follow-up with you.

Accepted answer

VenkateshDodda-MSFT 20,696 Reputation points Microsoft Employee

2023-11-20T09:31:26.2433333+00:00

@Patrick Loh Thanks for your patience on this.

As discussed over the offline, I am summarizing our discussion and posting as an Answer,

Issue: Customer is using WordPress on Azure app service with Email integration and when they are trying to an email from the WordPress it is failing with the error message "Sender domain xxx-xxx is not linked to this Azure Communication Resource."

Resolution: Upon troubleshooting further, we see that customer has connected his communication service to custom domain (email service) and in the app service connection string they are referring to another Azure managed Domain that they have manually created. Due to this misconfiguration email are getting failed with above error message.

I hope this is helpful, please let me know if you have any further queries.

Please accept as Yes if the answer provided is useful, so that you can help others in the community looking for remediation for similar issues.
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2 people found this answer helpful.
Patrick Loh 25 Reputation points

2023-11-20T09:59:49.8933333+00:00

Great help from @VenkateshDodda-MSFT he guided me how to check and reconfigure required settings and email from Wordpress app service back to normal.
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