Error: No valid hosts (unable to make any connections) with messages in Delivery queue and not all MX records attempted

Products

• Messaging Gateway

Issue/Introduction

The Messaging Gateway may not attempt to connect to all MX records and the Delivery queue will show the error "No valid hosts (unable to make any connections)".

Resolution

Please see the following article: https://knowledge.broadcom.com/external/article?articleId=225313