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Invalid recipient address error after kicking off a journey

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Posted on by CU21070942-0

Hi everyone,

I’m hoping someone can help me figure out why Dynamics 365 Real-Time Marketing is still blocking my internal newsletter with the error “recipient email invalid” even though the custom e-mail field I created is populated.

What I’ve done so far

Created a custom e-mail field
Added it to Audience Configuration
Built a real-time journey for our employee newsletter
E-mail tile → Send to: E-mail MDW (verified in the Properties pane)
The E-mail MDW field is filled for every employee contact

Despite the above, each message is skipped with the status EmailBlockedInvalidRecipientAddress (recipient email invalid) and the Recipient email column in the delivery log is blank.

What I’ve already checked

Consent settings are correct (we use the default “implicit” model).
Address values are clean, no spaces or invalid characters.
Journey has been re-published after every Audience Configuration change

Is there someone who has run into this issue or has the answer to this question?

Thank you for your help!

Kind Regards,

Luuk

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Dynamics 365 Customer Insights - Journeys

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Hamza H 1,826 Super User 2026 Season 1 on at

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To fix your “EmailBlockedInvalidRecipientAddress” error:

Ensure your custom email field is of type “Email” in Dataverse (not just text).

In Real-Time Marketing, go to Settings → Audience Configuration → Email Address Configuration, and add your custom email field as a valid recipient email field for the Contact entity.

Re-publish your Audience Configuration and Journey after making this change.

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Quartzite 135 on at

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Hello,

1. Verify Email Identifier Setting

Go to Settings → Customer Engagement → Audience Configuration.

Check which field is marked as the Email Identifier (this is the one Real-Time Marketing uses for sending emails).

If it’s still pointing to emailaddress1 (default), then your custom field isn’t being used for delivery.

Solution: Change the Email Identifier to your custom field E-mail MDW, save, and re-publish the journey

2. Sync After Audience Configuration Change

After changing the Email Identifier, you need to re-synchronize the audience for Real-Time Marketing.

Steps:

Navigate to Audience sync in the marketing settings.

Force a resync.

Then republish the journey.

3. Custom Field Must Be on the Contact Record

Ensure your custom field exists on the Contact entity and is filled for all contacts.

Real-Time Marketing does not pull data from unrelated tables unless connected via the Audience schema.

4. Consent Check

You mentioned implicit consent is enabled, which is good.

But confirm that the channel for email is allowed and that the contact isn’t in the suppression list.

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CU21070942-0 8 on at

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Thank you for your answers!

The email field is checked on in the 'other recipient fields' on the contact data source. I can also choose this recipient field in de journey, so I think that part is going well. Nevertheless it will still not send any mails. My segment has more than 3000 contacts, for all of them the custom email field 'email MDW' is filled, but in the error it says all of them are empty. Beneath are some screenshots of my configuration.

I can't find where the audience sync is tough. Is it the same as activate the audience configuration?

I can choose the custom email field in journeys:

Audience configuration:

Error:

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