Track undelivered messages in Salesforce Digital Engagement Messaging

In ConversationEntry entity, MessageStatusCode will be populated if the messages are undelivered. So, query the ConversationEntry entity with MessageStatusCode to track failed or undelivered Messages in Salesforce Messaging. Blog Post: https://www.infallibletechie.com/2021/12/how-to-track-failedundelivered-messages.html