What is the OpenText mailbox that I will be using?

The OpenText mailbox is a secure area where you can post electronic business messages into and conversely receive from. OpenText metaphorically speaking provide a postal service, managing the delivery of the business messages using addressing information contained within the message provided by the sender of the message.

GM Test – 5013546001625:14
GM Production – 5012068999993:14
Food test – 5013546093738:14
Food Production – 5012068025502:14