VERIFIED SOLUTION i

How To Determine if there be an update to MailStream Plus 8.3.3?

We have no plans for any patches to MSP 8.3.3 as of today. We were able to incorporate all USPS rules in the MSP 8.3.3 release.
 
This information is as of Jan. 10, 2017
 
UPDATED:  April 20, 2017