On behalf of The University of New Mexico Information Technologies http://it.unm.edu, I have posted MyMessages B2 WAR file for Q4 2017 unm-unmmymessages2017.war (version 2.3.1-q4.2017) on OSCELOT https://github.com/OSCELOT/MyMessages
The University of New Mexico is currently running this on Production - Blackboard Learn Q4 2017 CU2 (Original Experience + Self Hosted).
MyMessages creates a My Messages module at the course and organization level. It lists all courses with messages in the inbox and presents a direct link to the inbox within the appropriate course.
MyMessages is a rebuild of Bruce Tenison's (OSCELOT Archive) MyMessages B2 http://projects-archive.oscelot.org/ggf/project/wsccmymessages with Blackboard Q4 2017 Libraries - Thank You Bruce!
Please read the README file before installing.
I made this post a question so Bb Community can post questions/comments.