Royal Mail Royal Mail Modules
Royal Mail Presort

The FlexMail Royal Mail Presort module lets you sort your mailing and produce accompanying documents for your mailing according to the Royal Mail User Guide for bulk mail products. This offers you the possibility to take advantage of the benefits offered by Royal Mail for mailings sorted and prepared according to these rules. FlexMail has been tested by Royal Mail and conforms to their standards.

Presort Features

FlexMail Royal Mail Presort supports the following bulk mail products:

  • Business Mail
  • Business Mail 1st Class
  • Advertising Mail
  • Sustainable Advertising Mail
  • Publishing Mail

Depending on the selected bulk mail product, one or more of the allowed persort methods can be selected:

  • Unsorted
  • Low Sort
  • High Sort

FlexMail supports the following types of containers to present mail to Royal Mail and produces the necessary labels for them:

  • Trays
  • Bags
  • Unbagged/Untrayed

Besides the sortation methods described, FlexMail incorporates a number of features described in the Royal Mail User Guide that enable you to optimize service and savings. The following features are supported:

  • Undersized Directs
  • Mixed Weight Mailings
  • Geographic Ordering

Presort output

FlexMail produces the following output, according to Royal Mail specifications:

  • Sorted addresses with presort information added and when required with break markers to identify selection breaks.
  • Bag, tray or bundle labels in "final" label format, depending on the type of container selected.
  • The Line listing according to the requirements of Royal Mail showing a break down of the mailing by selection and on a cummulative basis.
  • A Computer Planning report summarizing the mailing, including overall volume, item weight, total number of bags/trays, split between Direct and Residue selections and a price calculation.
Royal Mail validation

The FlexMail Address Validation module is a very powerful address lookup and verification system that improves the quality of your database and ensures the address information is acceptable to the Post Office. FlexMail Address Validation cleans your mailing list records, adds the proper information, and corrects the address composition and spelling according to the postal standards. With FlexMail you can lookup or verify individual addresses in interactive mode or process complete lists unattended in batch mode.

FlexMail uses a Postal data file to lookup and verify addresses. All the fields on the Postal data file may be written into your database if desired. This feature makes FlexMail ideal for populating existing databases with extra information available in the Postal data file.

The PAF File

The FlexMail Postal data file for the UK is derived from the Postal Address File (PAF), which is sourced from Royal Mail.

PAF holds information about all UK delivery points (a delivery point, to all intents and purposes, is a letter box). Most delivery points are private addresses, but the file also contains organization names and departments. The UK database contains all addresses within Great Britain and Northern Ireland.

Royal Mail is continually updating the PAF file to reflect changes in premise addresses. Updates are incorporated into FlexMail's Postal data file every three months and distributed to clients.

The database has the following features:

  • Data accurate to premise level
  • 26.5 million addresses
  • 1.7 million postcodes
  • 32.000 places, 800.000 streets and 1.4 million organizations

Address Elements

The following address elements are returned by the FlexMail Address Validation module from the UK Postal data file:

  • Organization name
  • Department name


  • Sub-premise name/number
  • Premise name/number
  • PO Box
  • Dependent thoroughfare
  • Thoroughfare
  • Double dependent locality
  • Dependent locality
  • Post town
  • County
  • Postcode

Besides these address elements, the address validation returns:

  • DPS
  • RMS4CC
  • Validation status

Address Format

The address returned by FlexMail is formatted according to the rules described by Royal Mail in the PAF Digest. The number of lines (fields) that will be composed depend on the linked database. When not enough fields are available to store all elements returned by PAF separately, elements will be combined in a single field. When appropriate, combined elements will be separated by a comma.

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