MailStream Plus Postal Preparation Product Announcements

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MailStream Plus v8.4.4 – Pre-Release Announcement

  • 1.  MailStream Plus v8.4.4 – Pre-Release Announcement

    Posted 21 days ago

    MailStream Plus v8.4.4 – Pre-Release Announcement 


    Precisely announces upcoming version 8.4.4 of MailStream Plus targeted for delivery on December 9, 2022.  

    Feature Additions in this Release 

    MailStream Plus v8.4.4 will include the mandatory preparation mandates effective on January 22, 2023 USPS compliance as well as any USPS pricing changes that would apply.  


    MailStream Plus v8.4.4 includes support of changes (or Errata) for the following Mail.dat versions: 

    • Mail.dat v23-1 
    • Mail.dat v22-1  

    Product documentation will be available upon software release. 

    Contact Information  

    If you would like technical assistance, please contact the Precisely Global Support team online at Precisely Support or call 1-800-367-6950.  

    Any questions relating to this announcement should be directed to Kevin Ricks, Vice President of Product Management, at

    Caroline Anderson
    Precisely Software Inc.