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Company history Our many years of project experience guarantee maximum professionalism and the smooth integration of our software solutions into your system


Johannes Enge is appointed as a managing director.


Markus Sager is appointed as a managing director.


Christine Stopp is appointed as a managing director.
Matthias Hesser is vested with commercial power of attorney ("Prokura").


Silvia Stopp is appointed as a managing director.


First ever MailSuite users' meeting for carriers and handling agents.
This meanwhile takes place once every year.

2010 / 2011

Design, implementation and initial installation of MailAccounting (our carrier accounting system) for purposes of accounting for mail transported.


International sales launch of our MailAgent and MailSystem logistics systems.


Implementation of MailSystem (our carrier management system) and MailAgent (our handling agent system) at one of the major airlines.


CDA marks its 25th anniversary with a proper celebration at Beilstein castle.
First joint workshop for CDA customers from the postal company & carrier sectors, on the topic of optimising the transport of mail.


Design and creation of the PePAgent system for quick automatic detection of politically exposed persons and for assessment of these in terms of risk category.


ILPost is extended for the European IPC Sprinter network to speed up the international transport of mail.
CDA is given certification according to ISO9001.


Anna Stopp, Christine Stopp and Silvia Stopp are vested with commercial power of attorney ("Prokura").

From 2002 onwards

Design and creation of a system (EmbargoAgent) for the quick detection of cases of embargo in business dealings.
Design and implementation of software systems (MailAgent, MailSystem, MailAccounting) for recording and monitoring transport operations in the airmail sector.


First ever ILPost users' meeting for postal companies.
This meanwhile takes place once every year.

From 1998 onwards

Re-definition and development of ILPost, the CDA system for handling international mail.

Design, creation and delivery of a system for banks for purposes of speedy online handling of payments to foreign accounts ("AZO").


The International Mail Centre ("IPZ") went into operation at Frankfurt airport using CDA software for the superordinated control of international mail handling.


Cooperation agreement between UPU, DETECON and CDA relating to the global distribution of CDA's product MDS (a variation of MADRAS).

From 1992 onwards

Design of the data communication network and communications software for Deutsche Post's counter service systems.

1992 - 1993

Participation in the EU project CAPE (Computer Aided Post in Europe) on behalf of the Deutsche Bundespost (German postal service).

From 1991 onwards

Extension of MADRAS, the updated version of the mail exchange system, into European countries beyond the German borders.


Working partnership agreement between Deutsche Telepost Consulting and CDA relating to the global distribution of MADRAS, a CDA follow-up product to LUPO.

1987 - 1989

Implementation and testing of an IT-based pilot system, LUPO, for the international exchange of mail between the USA and Germany. The pilot system was presented to the world at large during the 20th UPU Congress in Washington in November/December 1989.

From 1987 onwards

Development and sale of IT systems for occupational health & safety.


Creation and implementation of a software system for recording and tracking courier mail.

1982 - 1987

Project management support for major IT projects.
Development of tax consultancy programs.
Design and development of programs for data communications via public communication networks.


The business is founded by Dr. Walter Stopp who also takes on the role of the new company's managing director.
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