CMS 50 Year Anniversary
Close [x]


Supporting our clients day by day

You will find some helpful links and resources on this page including Frequently Asked Questions (FAQ’s), information on our services and monitoring and regulation on international mail.

If you are unable to find an answer to your query, or have a specific question, please use the contact us page, where we will be happy to assist you with any enquiries.


Process by which address data is checked and cleaned against the Royal Mail PAF file to ensure accuracy for high volume mailings

Usually a company who will manage a database of subscribers for a publisher.

Application Program Interface – an abbreviation of application program interface, is a set of routines, protocols, and tools for building software applications. The API specifies how software components should interact and are used when programming graphical user interface (GUI) components

Air-Way-Bill the label that accompanies courier shipments that contains pertinent information

An advert printed on a thin strip of card or paper usually wrapped around the centre of a magazine or newspaper.

British Forces Post Office

Bound Printed Matter

Business Reply Envelope (Freepost Envelope) Often inclued in a marketing campaign, particularly a Charity based DM piece requesting donations. A pre printed envelope with a Royal Mail Business Reply Services licence which prompts a charge to the mailer NOT the donor.

Customer Bar Code - Contains digital address data for quicker machine sorting

The cover sheet used to display the Address details and Postage Paid Impression, used extensively in the distribution of publications

4 colour printing process – Cyan, Magenta, Yellow , Black

A date set in the diary that is agreed by the client and supplier as the point in whcih a campaign should reach its target audience.

The analysis of databases that may contain duplicate records within the same file or where there is a chance that data may be contained in multiple data files where only one record is required. Software is used to compare using varying levels of matches on chosen criteria to confirm an exact match or a probable match.

Mail which is posted but held by the postal company for release on a later date.

For mailings over 4,000 to one country where a local look is required

A marketing effort that uses a mail service to deliver a promotional printed piece to your target audience.

‘An interactive system of marketing which uses one or more advertising media to effect a measurable response/and or transaction at any location’

More than 5 items sent as part of a large Highsort mailing which are going to the same postcode are known as Directs

Number of printed dots printed per inch of paper – a measure of print density. The more DPI the higher the resolution/definition of the print.

Outsourced fulfilment and distribution to 3rd party suppliers.

Downstream Access – mailing services provided by competitor to Royal Mail and then handed back to Royal Mail for final stage of delivery.

220mm wide x 110mm high - fits an A4 sheet of paper folded into thirds.

Digitally printing to two sides of one sheet.

End to End: A service whereby mail is collected from a producer and is distributed and delivered by a single postal operator

International Mail term used for countries that have multiple entry points depending on the geographical location of the addressee

International Mail term: A Flat (G) is: Length minimum 245mm, maximum 381mm, Width minimum 165mm, maximum 305mm, 20mm thick, Maximum 500g

An important transportation center, especially for air transportation, where mail routes converge and mail is routed for onward dispatch.

Grams per Square Metre’, It’s a measurement of paper weight which allows for printers to be far more precise than they could be with wooly terms like ‘thick’, ‘thin’ and ‘kinda in the middle’. As the name suggests, it tells you how much a square metre of the paper or card you’re using would weigh.

The highest level or sortation available in a mail product

Mail created from digital data that is electronically transmitted to distributed print sites, transformed into physical form, and entered at a postal facility for delivery.


Inland Mail Centre (Royal Mail)

For items up to 750 grams (500 Grams for international) maximum dimensions 353mm X 250mm X 25mm

For items up to 100 grams maximum dimensions 165mm X 240mm X 5mm

London Hand Delivery

The lowest level of sortation available in a bulk mail product

Number of printed lines printed per inch of paper – a measure of print density. The more LPI the higher the resolution/definition of the print.

The capability of a delivery address being interpreted electronically by automated mail processing equipment.

A 2D barcode used to track and sort mail. READ MORE

Mailsort was a five-digit address-coding scheme used by the Royal Mail (the UK’s postal service) and its business customers for the automatic direction of mail. Mail users who could present mail sorted by Mailsort code and in quantities of 4,000 upwards (1,000 upwards for large letters and packets) receive a discounted postal rate.

A direct sack of printed matter sent to a single foreign addressee at a single address. It is not sealed against postal inspection and may include merchandise articles related to the enclosed printed matter as specified by postal requirements. There are three types of M-bags: airmail M-bags, International Priority Airmail M–bags, and International Surface Air Lift M-bags.

The chosen channel to market or advertise media can be any form of method of portraying a message, often split into below the line and above the line, Above the line being media that is not data driven, and below the line being data driven. Increasingly given data and modern technology, there is increasing Cross Media or through the line marketing which uses data mainly as the route to drive personalised messages, but also non personalised messages through socio-demographic data analysis.

Royal Mail "Online Business Account" the online protal to access you business account with the RM

Online Business Account – Solely for clients with direct postage accounts with Royal Mail.

A rectangular area on the address side of the mailpiece that is postioned in accordance with RM Guidelines

A Packet (E) is: Maximum length is 600mm, Length + width + thickness must not exceed 900mm, Maximum 2kg

Postcode Address File: Owned and managed by Royal Mail, this contains all 20 million UK addresses and is used as a reference tool for data accuracy and data capture.

A PDF Proof is a ‘Portable Document Format’ file that gives a fairly good idea of what the finished print should look like. They are typically used in order for a client to check text, images and layout before going to print.

Postage Paid Indicia, the printed mark ususally in the top right hand corner it shows the class of service and the licence number used

Postal indicia depicting postage paid on account, can be used for additional marketing touch point.

Large mailings can be pre-sorted prior to Fulfilment and posting to qualify for additional postage discounts.

Personalised URL (Uniform Resource Locator) or location address on a computer network – particularly used via the internet.

Mailpieces remaining after completion of a presort sequence. Residual mail lacks the volume set by standard to require or permit preparation to a particular destination. Residual mail usually qualifies for the highest presort price or a single-piece price. Also called nonqualifying mail and working mail.

A successful marketing campaign, will lead to responses. Handling these responses in terms of physical receipt, opening, scanning, and capturing of the content, data, banking and additional fulfilment as a result of the response is a task suited to some organisations and based on volume. Many mailing houses manage mail response and return as well as outbound communications.

Red, green blue – usually monitors or screens are set to this resolution.

Return on investment (ROI) is the benefit to the investor resulting from an investment of some resource. A high ROI means the investment gains compare favorably to investment cost. As a performance measure, ROI is used to evaluate the efficiency of an investment or to compare the efficiency of a number of different investments.[1] In purely economic terms, it is one way of considering profits in relation to capital invested.

A name and address of an individual(s) – usually the purchaser(s) of the marketing campaign to test the fall to earth date and quality of the marketing piece/campaign, added to the supplied data prior to supply to the agency/mailing house.

Digitally printing to one side of one sheet.

A Call to Action on a carrier sheet or envelope aimed at prompting the recipient to act on receipt of the marketing piece.

Mail which cannot be pre-sorted because some or all of the address is incomplete or incorrect are known as unmatched items.

Post Code

Speak to one of our experts today on 020 7732 2000 or email us
to find our how CMS Networks can help you today

We proudly work with