1-15-2020 - Mailer Guide updated with new legal terms and conditions.
4-16-2021 - Mail Guide updated with new Terms and Conditions as of 3-22-2021, new TEM environment information, Mail.dat release 21-1, and minor edits.
4-30-2021 - Guide updated with the new Terms and Conditions as of 4-23-2021.
3-14-2022 - Guide Updated for the new 22-1 Mail.dat version and the new fields added to the RMS file.
6-28-2022 - Guide updated to reflect the implementation of the new fields added to PO!