Amazon Business Purchase Order URL and certificate changes by 06/01/2018

Question:

Any customers receiving an email from Amazon Business Integration team stating the following:

Greetings,
Amazon is migrating its server SSL certificate authority from Symantec to Amazon Trust Services (ATS). It is mandatory migration of all external server SSL certificates to be signed by Amazon Trust Services (ATS).
If you are currently using an eProcurement system and are responsible for updating your purchase order URL, please review changes below and update your purchase order URL.
If you are currently using a cloud or third party eProcurement system and they are responsible for updating your purchase order URL, please contact them immediately and ensure these changes are completed.

Who is affected?
Customers currently using Microix Punch Out with Amazon
What needs to be changed?
Update Amazon SubmitOrderURL to “https-ats.amazonsedi.com” as shown below. You can implement the changes now as long as your Microix version is 2018.001.3 or higher.