Dynamics 365 : Hit Object address not found on party or party is marked as non-emailable

Recently in my own CRM environment, i hit 1 error when trying to send an email to customer.

DEMO

1. When a case created, i would like to send an email to customer but in the end i got this error.

2. Based on the provided log, i went for a check. unfortunately, the email is allow for this customer.

3. Thus, i went to user 's record (Sender) and i found that the email value is not exist.

Solution

1. Provide valid email to sender and receiver.

2. Make sure the email is marked as allow in receiver's record.

3. Once everything is provided correctly like pictures below. You should able to send an email successfully.

Sender

Receiver

Final Result

I hope this will save you some time and understand the reason behind it. Happy 365-ing.