How to fix AADSTS500113: No reply address is registered for the application.

Question

How to fix AADSTS500113: No reply address is registered for the application.

Lasse Grønholt 0

Hello,

I have a problem with Microsoft Azure App registration.

I am setting up FluentSMTP using Microsoft Azure App Registration, but Microsoft will not accept my Call Back url from FluentSMTP: https://xn--din-bogfring-2jb.dk/wp-json/fluent-smtp/outlook_callback

I hav added a picture where you can see that micorsoft dosent see my url as a valid url...

What can i do to fix my problem?

Lasse Grønholt 0 Reputation points

2025-02-06T08:49:12.49+00:00

Here is the picture from Microsoft Azure.

1 answer

Your answer

Lasse Grønholt 0 Reputation points

2025-02-06T08:49:12.49+00:00

Here is the picture from Microsoft Azure.

Answer 1

Venkata Jagadeep 565 Microsoft External Staff

Hello Lasse Grønholt,

Thank you for posting your query on Microsoft Q&A.

Azure AD App Registration will not allow double hyphen in FQDNs for additional security.

In the reply url which you have shared, when you remove one hyphen "-" between xn and din, it will be a valid url.

Reference :

https://learn.microsoft.com/en-us/entra/identity-platform/reply-url

I hope this information is helpful. Please feel free to reach out if you have any further questions.

*If the answer is helpful, please click "Accept Answer" and kindly upvote it. If you have extra questions about this answer, please click "Comment".

Thanks,

Venkata Jagadeep

Lasse Grønholt 0 Reputation points

2025-02-06T22:21:55.0333333+00:00

But the problem with this is that i am setting this up with the callback URL from FluentSMTP, and i cant change that url. So if i just delet one "-" it will not work :/
Venkata Jagadeep 565 Reputation points Microsoft External Staff

2025-02-07T05:22:38.2866667+00:00

Hello Lasse Grønholt

I do apologize for not mentioning to update the changes at application side as well.

We need to make sure the reply url should match to the url that application is providing.

https://YourDomain/wp-json/fluent-smtp/outlook_callback

Now, your reply url should be updated in azure ad app registration and application as below

https://xn-din-bogfring-2jb.dk/wp-json/fluent-smtp/outlook_callback

To do this, I request you to reach application team to change the reply url accordingly.

Thanks,

Venkata Jagadeep
Lasse Grønholt 0 Reputation points

2025-02-07T07:24:42.9933333+00:00

Okay. Thank you. What is the best way to reach the application team?
Venkata Jagadeep 565 Reputation points Microsoft External Staff

2025-02-07T22:51:34.42+00:00

Hello Lasse Grønholt

I suggest you raise a support ticket with FluentSMTP team.

Please find below url to login.

https://wpmanageninja.com/support-tickets/

Thanks,

Venkata Jagadeep
Venkata Jagadeep 565 Reputation points Microsoft External Staff

2025-02-10T19:03:21.02+00:00

Hello Lasse Grønholt

Following up to see if the above answer was helpful. If this answers your query, do click Accept Answer and Yes for was this answer helpful. And, if you have any further query do let us know. Thanks,

Venkata Jagadeep
Venkata Jagadeep 565 Reputation points Microsoft External Staff

2025-02-11T17:46:13.4366667+00:00

Hello Lasse Grønholt,

We haven’t heard from you on the last response and was just checking back to see if you have a resolution yet. In case if you have any resolution please do share that same with the community as it can be helpful to others. Otherwise, will respond with more details and we will try to help.
Lasse Grønholt 0 Reputation points

2025-02-17T13:33:06.6433333+00:00

I am back from vacation, and i will reach out to the FluentSMTP team now.
Venkata Jagadeep 565 Reputation points Microsoft External Staff

2025-02-18T18:00:02.3333333+00:00

Hello Lasse Grønholt,

Did you get a chance to connect with FluentSMTP technical team to add the reply url in desired format? If so, please do share that same with the community as it can be helpful to others.
Venkata Jagadeep 565 Reputation points Microsoft External Staff

2025-02-19T16:43:59.55+00:00

Hello Lasse Grønholt,

We haven’t heard from you on the last response and was just checking back to see if you have a resolution yet. In case if you have any resolution please do share that same with the community as it can be helpful to others. Otherwise, will respond with more details and we will try to help.
Lasse Grønholt 0 Reputation points

2025-02-20T12:53:08.23+00:00

I am in contact with the technial team at fluent smtp
Raja Pothuraju 17,250 Reputation points Microsoft External Staff

2025-03-02T18:31:10.69+00:00

Hello @Lasse Grønholt,

Thank you for posting your query on Microsoft Q&A.

Just checking in to see if you are able to solve your problem by modifying your redirect URI for your application. Please feel free to reach out if you still have the issue persists. If needed, we can take this discussion offline for more details.

If all your concerns have been resolved, I would greatly appreciate it if you could mark the answer as "Accepted." This helps both us and others in the community.
Venkata Jagadeep 565 Reputation points Microsoft External Staff

2025-03-04T01:18:04.8566667+00:00

Hello @Lasse Grønholt,

We haven’t heard from you on the last response and was just checking back to see if you have reached fluent smtp team to add the reply url on the application side. If you have any resolution please do share that same with the community as it can be helpful to others. Otherwise, will respond with more details and we will try to help.

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How to fix AADSTS500113: No reply address is registered for the application.

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