MAILERS+4:Build History

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Please see the Melissa Product Release Notes for updated Build History moving forward:


Build 4174

October 2022 Update

Released October 10, 2022

General Changes

  • Mailers+4 Build number increased to 4174.
  • Mailers+4 Database Date: September 15, 2022.
  • Database Expiration Date: December 31, 2022.


Updates

  • Database Update


Build and Database Information

COM Object Build #
PresortObject 22436
AddressObject 17499
mdGeo 17333
PhoneObject 17214
NameObject 151


Presort Date
Zone Table 10/01/2022
Delivery Statistics 08/17/2022
Module L Label Lists 10/01/2022
ELOT Table 09/15/2022


Database Date
National Database 09/15/2022
FirstName Database 02/15/2000


Release Notes

To confirm the most up-to-date builds are installed, please check the following within Mailers+4:
  • Click "Help" – "About Mailers+4" to confirm Mailers+4 build is 4174.
  • Click "Help" – "Mailers+4 Information" to confirm other Database information.


September 2022 Update

Released September 06, 2022

General Changes

  • Mailers+4 Build number increased to 4174.
  • Mailers+4 Database Date: August 15, 2022.
  • Database Expiration Date: November 30, 2022.


Updates

  • Database Update
  • Presort Object Build updated to 22436.
  • GeoCoder Object build updated to 17333.


Build and Database Information

COM Object Build #
PresortObject 22436
AddressObject 17499
mdGeo 17333
PhoneObject 17214
NameObject 151


Presort Date
Zone Table 09/01/2022
Delivery Statistics 07/13/2022
Module L Label Lists 09/01/2022
ELOT Table 08/15/2022


Database Date
National Database 08/15/2022
FirstName Database 02/15/2000


Release Notes

To confirm the most up-to-date builds are installed, please check the following within Mailers+4:
  • Click "Help" – "About Mailers+4" to confirm Mailers+4 build is 4174.
  • Click "Help" – "Mailers+4 Information" to confirm other Database information.


Build 4153

Released July 08, 2022

General Changes

  • Mailers+4 Build number increased to 4153.
  • Mailers+4 Database Date: June 15, 2022.
  • Database Expiration Date: September 30, 2022.


Updates

  • Mailers+4 - Build 4153 includes the new Postal Rate updates that take effect: July 10, 2022.
    • Mailers+4 requires an update to Build 4153 to process mailings that will be submitted on or after July 10, 2022 in order to use the new Postal Rates and July 2022 Postage Statements.
    • For PostalOne! E-Doc submitters, a new Mail.dat client (55.0.0.0_PROD) will be required for submissions that include a Mailing Date of July 10, 2022 or after. The Mail.dat Client can be downloaded from the USPS Business Customer Gateway (BCG) (Sign In to BCG → Click "Mailing Services" in the top left under BUSINESS CUSTOMER GATEWAY → Click "Go to Service" next to Electronic Data Exchange (PostalOne!) → Download the Mail.dat Client Application under Mail.dat Support for Production.


Build and Database Information

COM Object Build #
PresortObject 22432
AddressObject 17383
mdGeo 17260
PhoneObject 17167
NameObject 151


Presort Date
Zone Table 07/01/2022
Delivery Statistics 05/25/2022
Module L Label Lists 07/01/2022
ELOT Table 06/15/2022


Database Date
National Database 06/15/2022
FirstName Database 02/15/2000


Release Notes

To confirm the most up-to-date builds are installed, please check the following within Mailers+4:
  • Click "Help" – "About Mailers+4" to confirm Mailers+4 build is 4153.
  • Click "Help" – "Mailers+4 Information" to confirm other Database information.
Please see the following resources from USPS PostalPro regarding the July 2022 release:


Build 4149

Released May 01, 2022

General Changes

  • Mailers+4 Build number increased to 4149.
  • Mailers+4 Database Date: April 15, 2022.
  • Database Expiration Date: July 31, 2022.
  • Address Object Build increased to 17426.
  • Phone Object Build increased to 17214.


Updates

The mdCBSA.dat & mdCbsa.idx files have been removed and replaced by mdCbsa.db3. This resolved the issue with Address Check crashing and the pop-up "Warning: CBSA Data file is missing. Do you wish to continue?[Yes/No]" This no longer happens in Build 4149.


Build and Database Information

COM Object Build #
PresortObject 22421
AddressObject 17426
mdGeo 17260
PhoneObject 17214
NameObject 151


Presort Date
Zone Table 05/01/2022
Delivery Statistics 03/17/2022
Module L Label Lists 05/01/2022
ELOT Table 04/15/2022


Database Date
National Database 04/15/2022
FirstName Database 02/15/2000


Release Notes

To confirm the most up-to-date builds are installed, please check the following within Mailers+4:
  • Click "Help" – "About Mailers+4" to confirm Mailers+4 build is 4149.
  • Click "Help" – "Mailers+4 Information" to confirm other Database information.


Build 4148

Released April 01, 2022

Updates

  • Mailers+4 Build number increased to 4148.
  • Mailers+4 Database Date: March 15, 2022
  • Database Expiration Date: June 30, 2022.


Fixes

  • Mailers+4 - SmartMover - The Unexpected Error: Unhandled Exception crash has been resolved in Mailers+4 - Build 4148.
    • The mp4patch.exe that was released on 03/31/2022 is no longer required.
  • Mailers+4 - SmartMover - Exclamation Error resolved when processing a large amount of files.
  • Canadian Addresser - This update [Mailers+4 - Build 4148 - mp4_202203] includes Canadian Addresser in the installer by default and will no longer require a workaround to update the Canadian Database.
    • The "Canadian Addresser add-on" menu item has been removed from the List dropdown in Mailers+4 Build 4148.
    • "Canada Data" and "RBDI" File Paths have been removed Under "Tools > System Options > File Paths > Directories". Canada Data and RBDI Data now use the same File path as US Data.
  • Periodicals - The Periodicals Hardcopy Postage Statement (PS_3541) has been corrected back to January 2022 changes.


Build and Database Information

COM Object Build #
PresortObject 22421
AddressObject 17383
mdGeo 17260
PhoneObject 17167
NameObject 151


Presort Date
Zone Table 04/01/2022
Delivery Statistics 02/16/2022
Module L Label Lists 04/01/2022
ELOT Table 03/15/2022


Database Date
National Database 03/15/2022
FirstName Database 02/15/2000


Release Notes

To confirm the most up-to-date builds are installed, please check the following within Mailers+4:
  • Click "Help" – "About Mailers+4" to confirm Mailers+4 build is 4148.
  • Click "Help" – "Mailers+4 Information" to confirm other Database information.


Build 4120

February 2022 Update

Released Februrary 2022

Updates

  • Mailers+4 Build number remained 4120.
  • Mailers+4 Database Date: February 15, 2022
  • Database Expiration Date: May 31, 2022.


Build and Database Information

COM Object Build #
PresortObject 22421
AddressObject 17341
mdGeo 17260
PhoneObject 17167
NameObject 151


Presort Date
Zone Table 03/01/2022
Delivery Statistics 01/26/2022
Module L Label Lists 03/01/2022
ELOT Table 02/15/2022


Database Date
National Database 02/15/2022
FirstName Database 02/15/2000


Release Notes

To confirm the most up-to-date builds are installed, please check the following within Mailers+4:
  • Click "Help" – "About Mailers+4" to confirm Mailers+4 build is 4120.
  • Click "Help" – "Mailers+4 Information" to confirm other Database information.


January 2022 Update

Released January 2022

Updates

  • Mailers+4 Build number increased to 4120.
  • Mailers+4 Database Date: January 15, 2022
  • Database Expiration Date: April 30, 2022.
  • The Hard copy Postage Statements have been updated to January 2022.
  • Improved detection of blank records and Word-wrap formatting in original file to prevent delivery addresses from shifting after SmartMover processing.


Build and Database Information

COM Object Build #
PresortObject 22421
AddressObject 17341
mdGeo 17260
PhoneObject 17167
NameObject 151


Presort Date
Zone Table 02/01/2022
Delivery Statistics 12/15/2021
Module L Label Lists 02/01/2022
ELOT Table 01/15/2022


Database Date
National Database 01/15/2022
FirstName Database 02/15/2000


Release Notes

To confirm the most up-to-date builds are installed, please check the following within Mailers+4:
  • Click "Help" – "About Mailers+4" to confirm Mailers+4 build is 4120.
  • Click "Help" – "Mailers+4 Information" to confirm other Database information.

Please see the following resources from USPS PostalPro for additional information regarding the January 2022 release:


Build 4118

Released January 2022

General Changes

  • Mailers+4 Build number increased to 4118.


Updates

  • Maildat version update to 22-1.
Please Note:
  • The updated Maildat version 22-1 files are supported in PostalOne! System Release 54.0.0.0 Mail.dat client.
  • Hardcopy Postage Statements for Mailers+4 are being updated and will be released as soon as possible.


Build and Database Information

COM Object Build #
PresortObject 22419
AddressObject 17341
mdGeo 17260
PhoneObject 17167
NameObject 151


Presort Date
Zone Table 01/01/2022
Delivery Statistics 11/17/2021
Module L Label Lists 01/01/2022
ELOT Table 12/15/2021


Database Date
National Database 12/15/2021
FirstName Database 02/15/2000


Release Notes

To confirm the most up-to-date builds are installed, please check the following within Mailers+4:
  • Click "Help" – "About Mailers+4" to confirm Mailers+4 build is 4118.
  • Click "Help" – "Mailers+4 Information" to confirm other Database information.

Please see the following resources from USPS PostalPro for additional information regarding the January 2022 release:


Build 4109

Released December 2021

General Changes

  • Mailers+4 Build number increased to 4109.


Updates

  • Periodicals – Flats –Postage Statement (PS 3541): Line E17 - Price corrected in Build 4109.


Build and Database Information

COM Object Build #
PresortObject 22410
AddressObject 17341
mdGeo 17260
PhoneObject 17167
NameObject 151


Presort Date
Zone Table 12/01/2021
Delivery Statistics 10/13/2021
Module L Label Lists 12/01/2021
ELOT Table 11/15/2021


Database Date
National Database 11/15/2021
FirstName Database 02/15/2000


Release Notes

To confirm the most up-to-date builds are installed, please check the following within Mailers+4:
  • Click "Help" – "About Mailers+4" to confirm Mailers+4 build is 4109.
  • Click "Help" – "Mailers+4 Information" to confirm other Database information.


Build 4100

Released October 2021

General Changes

  • Mailers+4 Build number increased to 4100.


Updates

  • ZIP*USA DEMO Mode is no longer triggered by Mailers+4 - Build 4100, which includes the new Address Object - Build #17341.


Build and Database Information

COM Object Build #
PresortObject 22408
AddressObject 17341
mdGeo 17260
PhoneObject 17167
NameObject 151


Presort Date
Zone Table 10/01/2021
Delivery Statistics 08/18/2021
Module L Label Lists 10/01/2021
ELOT Table 09/15/2021


Database Date
National Database 09/15/2021
FirstName Database 02/15/2000


Release Notes

To confirm the most up-to-date builds are installed, please check the following within Mailers+4:
  • Click "Help" – "About Mailers+4" to confirm Mailers+4 build is 4100.
  • Click "Help" – "Mailers+4 Information" to confirm other Database information.


Build 4099

Released September 2021

General Changes

  • Mailers+4 Build number increased to 4099.


Updates


Build and Database Information

COM Object Build #
PresortObject 22404
AddressObject 17207
mdGeo 17260
PhoneObject 17167
NameObject 151


Presort Date
Zone Table 09/01/2021
Delivery Statistics 07/14/2021
Module L Label Lists 09/01/2021
ELOT Table 07/15/2021


Database Date
National Database 08/15/2021
FirstName Database 02/15/2000


Release Notes

To confirm the most up-to-date builds are installed, please check the following within Mailers+4:
  • Click "Help" – "About Mailers+4" to confirm Mailers+4 build is 4099.
  • Click "Help" – "Mailers+4 Information" to confirm other Database information.


Build 4097

Released September 2021

General Changes

  • Mailers+4 Build number increased to 4097.


Updates

  • First Class - Postage Statements: Negative numbers and Total Mailpiece discrepancy corrected.


Build and Database Information

COM Object Build #
PresortObject 22397
AddressObject 17207
mdGeo 17260
PhoneObject 17167
NameObject 151


Presort Date
Zone Table 09/01/2021
Delivery Statistics 07/14/2021
Module L Label Lists 09/01/2021
ELOT Table 07/15/2021


Database Date
National Database 07/15/2021
FirstName Database 02/15/2000


Release Notes

To confirm the most up-to-date builds are installed, please check the following within Mailers+4:
  • Click "Help" – "About Mailers+4" to confirm Mailers+4 build is 4097.
  • Click "Help" – "Mailers+4 Information" to confirm other Database information.


Build 4096

Released August 2021

General Changes

  • Mailers+4 Build number increased to 4096.
  • The August 2021 Rates-Patch has been released.


Build and Database Information

COM Object Build #
PresortObject 22397
AddressObject 17207
mdGeo 17260
PhoneObject 17167
NameObject 151


Presort Date
Zone Table 09/01/2021
Delivery Statistics 07/14/2021
Module L Label Lists 09/01/2021
ELOT Table 07/15/2021


Database Date
National Database 07/15/2021
FirstName Database 02/15/2021


Release Notes

To confirm the most up-to-date builds are installed, please check the following within Mailers+4:
  • Click "Help" – "About Mailers+4" to confirm Mailers+4 build is 4096.
  • Click "Help" – "Mailers+4 Information" to confirm other Database information.


Build 4091

Released August 2021

General Changes

  • Mailers+4 Build number increased to 4091.
  • The August 2021 Rates will become effective on August 29, 2021.
    • The new Rates-Patch will available on the Wiki, Monday August 30, 2021
    • Please see the Product Advisory for additional August 2021 Price rate information.


Updates

  • ZIP*USA will no longer appear in Demo Mode when using Mailers+4 Build 4091.


Build and Database Information

COM Object Build #
PresortObject 22378
AddressObject 17207
mdGeo 17260
PhoneObject 17167
NameObject 151


Presort Date
Zone Table 08/01/2021
Delivery Statistics 06/17/2021
Module L Label Lists 08/01/2021
ELOT Table 07/15/2021


Database Date
National Database 07/15/2021
FirstName Database 02/15/2000


Release Notes

To confirm the most up-to-date builds are installed, please check the following within Mailers+4:
  • Click "Help" – "About Mailers+4" to confirm Mailers+4 build is 4091.
  • Click "Help" – "Mailers+4 Information" to confirm other Database information.


Build 4088

Released July 2021

General Changes

  • Mailers+4 Build number increased to 4088.


Updates

  • ​SmartMover in Build 4088 will no longer remove Delivery Addresses after NCOALink processing when the “Suite” field is formatted.
  • Mailers+4 Build 4088 fixed the Address Swapping issue when using Text (.txt) files.
  • Updated the Quick list field lengths for SEQ, LOT_NUM, CBSALEVEL, and CBSADIVLVL under Database - Modify to correct Auto-format issue.


Issues

  • Mailers+4 Build 4088 triggers DEMO Mode for ZIP*USA users.


Build and Database Information

COM Object Build #
PresortObject 22378
AddressObject 17296
mdGeo 17260
PhoneObject 17167
NameObject 151


Presort Date
Zone Table 07/01/2021
Delivery Statistics 05/22/2021
Module L Label Lists 07/01/2021
ELOT Table 06/15/2021


Database Date
National Database 06/15/2021
FirstName Database 02/15/2000


Release Notes

To confirm the most up-to-date builds are installed, please check the following within Mailers+4:
  • Click "Help" – "About Mailers+4" to confirm Mailers+4 build is 4088.
  • Click "Help" – "Mailers+4 Information" to confirm other Database information.


Build 4085

Released June 2021

General Changes

  • Mailers+4 Build number increased to 4085.


Updates

  • Mailers+4 – Database-Modify
In order to help users easily add and auto-format beneficial fields, the following adjustments have been made to the Quick-Edit list in Database-Modify:
  • Removed Quick List items: Address Check, Advanced Fields, Demographic, Phone & Fax Append, Residential Address, Address Correction, SIC Coder and Consumer Enhancement.
  • Modified Quick List items: Common Fields, Presort, and Change of Address,
  • Added Quick List Items: GeoCoder, ELOT, CBSA and NameParse.
  • Mailers+4 – SmartMover
Plus4 not added to ZIP Code field - Updated.
  • Mailers+4 Build 4078 did not automatically add the “Plus4” to the 10-digit ZIP Code field, and would only append to a separate “Plus4” field that was formatted.
  • This was updated in Mailers+4 build 4085. The Plus4 field will append to the 10-digit ZIP field in Mailers+4 build 4085 if a separate Plus4 field is not present or formatted.
Suite not added to Address Field – Updated.
  • Mailers+4 Build 4078 did not automatically add the “Suite” to the Address1 (Delivery Address) field if there was not a Suite field formatted separately.
  • This was updated in Mailers+4 build 4085. If there is no separate “Suite” field formatted in Mailers+4, the Suite will be appended to Address1
  • Mailers+4 – Name Parse
Name Parse issue returning vulgar results - Fixed.
  • Mailers+4 build 4078 had an issue with the Name Parse feature returning a high-volume of Vulgar results.
  • This was fixed in Mailers+4 build 4085, and Name Parse is no longer returning incorrect Vulgar results.


Issues

The following Quick List fields will not auto-format when added, please make the following adjustments in Database – Modify in order to correct this until the next release:

  • SEQ – Change Name to “SEQUENCE”
  • LOT_NUM – Change Length to “4” (currently set to 1).
  • CBSALEVEL – Change Length to “50” (currently set to 29).
  • CBSADIVLVL - Change Length to “50” (currently set to 29).


Build and Database Information

COM Object Build #
PresortObject 22378
AddressObject 17236
mdGeo 17260
PhoneObject 17167
NameObject 151


Presort Date
Zone Table 06/01/2021
Delivery Statistics 04/17/2021
Module L Label Lists 06/01/2021
ELOT Table 05/15/2021


Database Date
National Database 05/15/2021
FirstName Database 02/15/2000


Release Notes

To confirm the most up-to-date builds are installed, please check the following within Mailers+4:
  • Click "Help" – "About Mailers+4" to confirm Mailers+4 build is 4085.
  • Click "Help" – "Mailers+4 Information" to confirm other Database information.


Build 4078

Released May 2021

General Changes

  • Mailers+4 Build number increased to 4078
  • [Periodicals] Fixed issue with incorrect calculation for E17 on Periodical Postage Statements.

Updates

The new SmartMover update has been released in Build 4078 and now utilizes SmartMover Web Service, which allows real-time processing of files instead of waiting for an email confirmation to update.

  • Added new SmartMover Processing screen, Help, and Results Window.
  • Updated the Format Fields display to reflect new NCOALink Format Options available. Click Format Fields - Select NCOA tab.
PLEASE NOTE - The following fields must be added before processing through SmartMover: Move Type, Return Code, Move Effective Date, Result Code
Please see the SmartMover FAQ for additional information.
  • Required CASS Form 3553 and NCOALink Summary Reports will now automatically save to the same folder as processed file. They can also be easily viewed by clicking their respective buttons found on the SmartMover results window.
  • Processed files can now return to the View Results window by clicking the SmartMover button and selecting View results.
  • Listware Classic has been removed in build 4078.
  • Mailers+4 - Services menu items have been removed: Phone & Fax Append; Address Correction; Residential Address Append; Business Append; Consumer Enhancements; and Update List.
  • Added new Services Menu Item: Listware Online to provide access to Demographic appends previously provided by Listware Classic.
  • New Wiki pages added:


Issues

Mailers+4 - Build 4078 has the following known issues:

Known Issue Description
Output Fields Mailers+4 Build 4078 does not automatically add Output fields as Listware Classic did. These must be added manually before processing. Please see the SmartMover FAQ for additional details.


The following fields must be added before processing through SmartMover: Move Type; Return Code; Move Effective Date; and Result Code.

Broker PAF Mailers+4 build 4078 will not allow Broker PAF’s to process using the new SmartMover. Please revert back to the previous build (3837) and manually update the Data files until resolved.

https://ds.melissadata.com/dsdn/mp4_pro_dvd_March.iso

Windows 7 Unfortunately, the new Mailers+4 - SmartMover release will not work on Windows 7, if you cannot upgrade your operating system yet, do not update Mailers+4.


Please see Mailers+4: Known Issues for additional information.

Name Parse Mailers+4 build 4078 had an issue with the Name Parse feature returning a high-volume of Vulgar results. Please see the Name Parse Issue on the wiki for instructions on how to revert back to the previous build of Mailers+4 and still maintain a current database.
Auto Format - Move Type There are currently two different Move Type fields in Mailers+4, ACS MOVE TYPE and MOVE_TYPE (For NCOALink processing).

If Auto-format is used, please be aware of which Move Type field is mapped.

  • If MOVETYPE is in the header row, then field will auto-format to ACS MOVE TYPE
  • If MOVE_TYPE is in the header row, then field will auto-format to MOVE TYPE for NCOALink processing.


Please see the Mailers+4 Wiki: Known Issues for additional information.


Build and Database Information

COM Object Build #
PresortObject 22378
AddressObject 17236
mdGeo 17260
PhoneObject 17167
NameObject 17048


Presort Date
Zone Table 05/01/2021
Delivery Statistics 03/21/2021
Module L Label Lists 05/01/2021
ELOT Table 04/15/2021


Database Date
National Database 04/15/2021
FirstName Database N/A


Release Notes

To confirm the most up-to-date builds are installed, please check the following within Mailers+4:
  • Click "Help" – "About Mailers+4" to confirm Mailers+4 build is 4078.
  • Click "Help" – "Mailers+4 Information" to confirm other Database information.
If you are experiencing a problem with the new Mailers+4 Build 4078, please revert back to the previous Build (3837) and manually update data files by performing the following steps:
1. Download and Install the previous release first: https://ds.melissadata.com/dsdn/mp4_pro_dvd_March.iso
2. After the previous build is installed, Download & Extract the new mp4_202104.zip folder.
PLEASE NOTE: Do NOT run Setup on newer releases. The files must be copied over manually.
3. Open the mp4_202104\Program folder
Copy the MP4GLB.DAT file then go to the Program Data directory to Paste and Replace.
Depending on where Mailers+4 is installed, the directory is usually be found here: <C:\ProgramData\Melissa Data\MAILERS+4>
4. Open the mp4_202104\Data folder
Copy all of the files (not folders) from the Data folder and then Paste (and Replace) into the ProgramData\Melissa Data\MAILERS+4 folder.
Copy the contents of each individual folder (dpv, elot, mdgeo, mdlacs, mdstelink, rbdi) and then Paste (and Replace) into the ProgramData\Melissa Data\MAILERS+4 folder.
Please see the Product Advisory regarding the Mailers+4 SmartMover update for additional information.
Please contact Tech Support with any questions or concerns by Email (tech@melissa.com) or Phone 1 (800) 800-6245 x4


Build 3837

April 2021 Update

Released April 2021

General Changes

  • The Presort Object Build number updated to 22378
  • A new file has been added to the Mailers+4 updates: LocaleKey.csv
This file is for Seamless Acceptance mailers and can be found in the following directory: mp4_202103/Data/LocaleKey.csv


Build and Database Information

COM Object Build #
PresortObject 22378
AddressObject 17207
mdGeo 17187
PhoneObject 3145
NameObject 151


Presort Date
Zone Table 04/01/2021
Delivery Statistics 02/20/2021
Module L Label Lists 04/01/2021
ELOT Table 03/15/2021


Database Date
National Database 03/15/2021
FirstName Database 02/15/2000


Release Notes

To confirm the most up-to-date builds are installed, please check the following within Mailers+4:
  • Click "Help" – "About Mailers+4" to confirm Mailers+4 build is 3837.
  • Click "Help" – "Mailers+4 Information" to confirm Presort Object build change to 22378.
New LocaleKey.csv Information
File Information Description
File Name LocaleKey.csv
File Type Comma Delimited (.csv)
File Contents The LocaleKey.csv will contain a list of every Post Office and its associated Locale Key.
Update Frequency The LocaleKey.csv will be updated Monthly along with the other Presort data files.
The LocaleKey.csv will include the following fields:
Field Name Description Sample Data
LocaleKey Unique Identifier for the post office. LOCZ22621
DestinationCode The Type of Post Office. D = DDU

S = SCF
B = NDC

Name The Name of the Post Office. RANCHO SANTA MARGARITA
Address The Address of the Post Office. 29862 AVENIDA DE LAS BANDERA
City The City of the Post Office. RANCHO SANTA MARGARITA
State The State of the Post Office. CA
Zip The zip of the Post Office. 926889998
A Mailers+4 Web Tutorial link has been added to the wiki under Essentials - Tutorials for easy reference.


March 2021 Update

Released March 2021

General Changes

  • The Presort Object Build number updated to 22376


Build and Database Information

COM Object Build #
PresortObject 22376
AddressObject 17207
mdGeo 17187
PhoneObject 3145
NameObject 151


Presort Date
Zone Table 03/01/2021
Delivery Statistics 02/01/2021
Module L Label Lists 03/01/2021
ELOT Table 02/15/2021


Database Date
National Database 02/15/2021
FirstName Database 02/15/2000


Release Notes

To confirm the most up-to-date builds are installed, please check the following within Mailers+4:
  • Click "Help" – "About Mailers+4" to confirm Mailers+4 build is 3837.
  • Click "Help" – "Mailers+4 Information" to confirm Presort Object build change to 22376.


February 2021 Update

Released February 2021

General Changes

  • Fixed the issue where the Record Count did not match between the .PBC and the .HDR Maildat files.
  • The Presort Object Build number updated to 22374


Build and Database Information

COM Object Build #
PresortObject 22374
AddressObject 17207
mdGeo 17187
PhoneObject 3145
NameObject 151


Presort Date
Zone Table 02/01/2021
Delivery Statistics 12/27/2020
Module L Label Lists 02/01/2021
ELOT Table 01/15/2021


Database Date
National Database 01/15/2021
FirstName Database 02/15/2000


Release Notes

To confirm the most up-to-date builds are installed, please check the following within Mailers+4:
  • Click "Help" – "About Mailers+4" to confirm Mailers+4 build change to 3837.
  • Click "Help" – "Mailers+4 Information" to confirm Presort Object build change to 22374.


January 2021 Update

Released January 2021

General Changes

Mailers+4 Build 3837 contains the new 2021 Postal rate changes that took effect January 24, 2021.


Build and Database Information

COM Object Build #
PresortObject 22372
AddressObject 17207
mdGeo 17187
PhoneObject 3145
NameObject 151


Presort Date
Zone Table 02/01/2021
Delivery Statistics 12/27/2020
Module L Label Lists 02/01/2021
ELOT Table 12/15/2020


Database Date
National Database 12/15/2020
FirstName Database 02/15/2000


Release Notes

PLEASE NOTE: You must install the December 2020 update (Mailers+4 Build: 3836 – Database Date: 12/15/2020) prior to the 2021 Rates patch.
The 2021 Rates Patch can be downloaded using one of the following methods:
Method Details
Mailers+4 Software Update The Mailers+4 Software Update should automatically prompt users to download the update when Mailers+4 is open.

This can be initiated manually by clicking "Help" – "Check for Program Updates" from the Mailers+4 Menu bar.

Mailers+4 Wiki Users can also Download the "2021 Rates Patch" located on the Mailers+4 Wiki under Current – Notices.

It can be found here: MAILERS+4


In order to confirm the most up-to-date builds are installed, please check the following within Mailers+4:
  • Click "Help" – "About Mailers+4" to confirm Mailers+4 build change to 3837.
  • Click "Help" – "Mailers+4 Information" to confirm Presort Object build change to 22372.


Please see our Product Advisory for additional information regarding the 2021 Price Changes.
It can be found here: https://blog.melissa.com/product-news-updates/2021-usps-postage-rates-effective-january-24th/