Mailmark - bwipp/postscriptbarcode GitHub Wiki

Royal Mail Mailmark is an implementation of the Data Matrix (ECC 200) barcode symbology for application within the Royal Mail postal system.

Standards: Royal Mail Mailmark Barcode Definition Document

• The data field input consists of 45 characters of Mailmark structured data (including required space padding) followed by variable-length, free-formatted customer data.
• Note: Due to the fixed-length field format of the message data it is important to carefully preserve spaces in the data field.
• The mandatory type option is used to specify the size of the symbol, either 7, 9 or 29.

Data:    JGB 012100123412345678AB19XY1A 0             www.xyz.com
Options: type=29
Encoder: mailmark