There are approximately 30,000 sites worldwide that currently using MailScanner. Below is a partial listing of some of the current users of MailScanner. User's comments and testimonials may be found viewed here.

• Siemens Enterprise Networks, USA
• HP Laboratories, UK
• BAe Systems, UK
• Research Machines PLC, UK
• Connect Internet Solutions, UK
• The WEB Centre, UK
• Maxpert Consultants, Germany
• Associated Engineers Ltd., Hong Kong
• Public-P3, Germany
• CaveCreek Wholesale Internet Exchange, USA
• C. Steinweg-Handelsveem BV, Netherlands
• "Merchandising", "Salescrew" and "YoungStar", Austria
• Filozofski fakultet u Zadru, Croatia
• Fifth Season A/S, Norway
• Distributors Corporation of America, USA
• Stebis B.V., The Netherlands
• LeeNX, South Africa
• Newspaper Printing Company, USA
• Defero Network Solutions, USA
• Xtended Internet, The Netherlands
• Listing Services Solutions Inc., USA
• VSi Networks, USA
• Neptune Internet Services, France
• DigitalVooDoo, USA
• Aquatix IT-Services, Germany
• Trumpet Software International, Australia
• MSCS Mark Söntges Carrier Service, Germany
• Star Airfreight Phils. Inc., Philippines
• CETLink Internet Services, USA
• World Trade Network, USA
• Alexander Systems, USA
• Fashion.bg Ltd., Bulgaria
• Bgfashion.net, Bulgaria
• Infotech.bg, Bulgaria
• NBI systems, Bulgaria
• Sonoma County Water Agency, USA
• VoyNetworks/Voyeurweb, USA
• Nexus Information Systems, Canada
• Colby Online Services, USA
• Online Express Parcels Ltd, UK
• Rieder Internet, Paraguay
• Visser International Trade & Engineering BV, Netherlands
• Imperial Toy Corporation, USA
• Stam Verlichting Hoorn, Netherlands
• Top (HK) Consultants Limited, Hong Kong
• ATC Communications Network, Nepal
• Dial ISDN, USA
• Ydria Motors, Slovenia
• VCT, Slovenia
• World Wide Internet Services Inc., USA
• The Argon Company, India
• UK Matrix Technologies Ltd, UK
• Lopos Technologies, Germany
• Teklan Internet Erisim Hizmetleri A.S, Turkey
• neo Software Produktions GmBH, Austria
• Texas Communications, USA
• Cypress Semiconductor, USA
• Bevc Network Solutions, Slovenia
• Valtreks d.o.o., Slovenia
• Hermes Landscaping, USA
• Inter-Tech of KC (ISP), USA
• ERA Champion Realty Inc., USA
• First Albany Corporation, USA
• Netgo Internet Center, Brazil
• Comtec Net, Romania
• uHost Communications Inc., USA
• Proyeccion Electroluz S.R.L., Argentina
• Servipack S.R.L., Argentina
• Frigorifico FRIAR S.A., Argentina
• CityNet, Tifton, USA
• Inarcassa, Italy
• The Fix Network, USA
• Marino Crane Service Corp, USA
• Prolocation V.O.F., The Netherlands
• Qala Telecommunications, Singapore
• Advanced Chemistry Development Inc., USA
• Latvian Independent Television, Latvia
• Equital s.a., Uruguay
• NPGX Pty Ltd, Australia
• Gazeta de Sud, Romania
• Conc. Rodovias Interior Paulista S/A - Intervias, Araras, SP, Brazil
• Idaho Image Works, USA
• Wax New Media Agency, UK
• Ender Technology Corp, USA
• BenNetworks, IPP, Brazil
• NxTek Solutions Inc, USA
• Informatique Strategique IS inc, Quebec, Canada
• Bogachiel.NET, Whidbey Island, USA
• Solid State Logic Ltd, UK

• Space And Naval Warfare Systems Command (SPAWAR), US Navy
• Natural Environment Research Council, UK
• Biotechnology and Biological Sciences Research Council, UK
• National Institute for Medical Research, UK
• United States Dept of Agriculture - Rural Development, USA
• United Nations Industrial Development Organisation, Austria
• Belgian Federal Department of Social Affairs, Public Health and Environment
• Assemblée Permanente des Chambres d'Agriculture, France
• Center for Blood Research, Harvard Medical School, USA
• City of Hollywood, Florida, USA
• Ministry of Health, Indonesia
• Institute of Cancer Research, UK
• Friends Of The Earth, UK
• National High Magnetic Field Laboratory, USA
• Southampton Oceanography Centre, UK
• Government of Parana State, Brasil
• Amt der Landeshauptstadt Bregenz (Bregenz Civic Centre), Austria
• Wageningen, The Netherlands
• "Arachnafobic Org.", Nijmegen, The Netherlands
• Instituto do Patrimonio Historico e Artistico Nacional, Brasilia, Brazil
• Municipal government of Zwartewaterland, The Netherlands
• Theatre de la Ville, Quebec, Canada
• Bell Memorial Hospital, Ishpeming MI, USA
• National Alliance for the Mentally Ill, USA
• West Suffolk Hospitals NHS Trust, UK
• Commission of Promotion of Small and Micro Company, Peru
• Instituto Politécnico de Castelo Branco, Portugal
• Hospital Amato Lusitano, Castelo Branco, Portugal
• Jefferson County, CO, USA
• Camo-route Inc., Montreal, Canada
• Comune di Camaiore, Italy
• AlthoffCentral.com, Netherlands

• Alabama Research and Education Network, USA
• American Association of Collegiate Registrars and Admissions Officers, USA
• Ayr College, UK
• City University, London
• Colby College, USA
• Colegio Nacional José Pedro Varela, Uruguay
• Collège Édouard-Montpetit, Canada
• Computer Science Dept, University of Torino, Italy
• De Montfort University, UK
• Dresden University of Technology, Germany
• Escola Superior de Tecnologia de Castelo Branco, Portugal
• European Bioinformatics Institute, UK
• Faculty of Engineering, Univ. of Reggio Calabria, Italy
• Georgian College of Applied Arts & Technologies, Canada
• Harper Adams University College, UK
• Georgia Institute of Technology, USA
• Institut für Wirtschaftsinformatik am DFKI - IWi, Germany
• Insitute for Advanced Studies, Zanjan, Iran
• James Cook University, Australia
• King's College London, UK
• London School of Hygiene & Tropical Medicine, UK
• Luleå University of Technology, Sweden
• Luther College of Decorah, Iowa, USA
• Maine Maritime Academy, USA
• Media Design School, Auckland, New Zealand
• MIT, USA
• Mississippi University for Women, USA
• Morehouse College of Georgia, USA
• Mullard Space Science Laboratory, UK
• Napier University, Edinburgh, UK
• National Technical University of Athens, School of Mining Engineering & Metallurgy, Greece
• North Dakota State University, USA
• Oxford Brookes University, UK
• Pasadena Intermediate School, New Zealand
• Rutgers University, USA
• San Diego State University Foundation, USA
• Sheffield Hallam University, UK
• Shippensburg University, USA
• Skidmore College, New York, USA
• South Birmingham College, UK
• Southampton Institute, UK
• Southeastern College, USA
• Technische Hogeschool Rijswijk (RITE), The Netherlands
• Texas A&M University, USA
• Texas Education Agency, USA
• The Board of Regents of the University System of Georgia, USA
• Transilvania University, Romania
• UCLA Physics Dept, USA
• Universidad Tecnologica Nacional - UA Reconquista, Argentina
• University College London, UK
• University of Aberdeen, UK
• University of Bradford, UK
• University of Cambridge, UK
• University of Durham, UK
• University of Essex, UK
• University of Exeter, UK
• University of Kent at Canterbury, UK
• University of Leeds, UK
• University of Maine, USA
• University of Montreal, Canada
• University of Newcastle, UK
• University of Nottingham, UK
• University of Oxford, Medical Sciences Division, UK
• University of Regina Students' Union, Canada
• University of Rousse, Bulgaria
• University of Sciences & Technologies of Lille, France
• University of Southampton, central Computing Services, UK
• University of Southampton, Department of Electronics & Computer Science, UK
• University of Southampton, Faculty of Mathematical Studies, UK
• University of Strathclyde, UK
• University of the South, Tennessee, USA
• University of Toronto, Canada
• University of Wales, Bangor, UK
• University of Western Sydney, Australia