Leaders in Email Security

Our mission is to secure email worldwide. We take pride in offering premium solutions that work out of the box, offer full control, and are seamlessly integrated into existing email infrastructures. We focus on delivering sustainable results and out-performance, in every aspect of our business.

We are a privately owned Dutch company, whose shareholders actively serve as CEO (Sam Renkema) and CTO (Dreas van Donselaar). Founded in 2005, we have rapidly grown into a leading email security provider for Web hosts, ISPs/Telcos and IT Resellers all over the world. Based in Amsterdam, the Netherlands, we have a second main office in Bucharest, Romania and worldwide representation offices located in Russia, United Kingdom, Mexico and New Zealand. For outstanding leadership and business results, our company has been recognized in the Deloitte Technology Fast 50 and Main Software 50 competitions for the fastest growing technology companies in the entire EMEA region two years in a row, in 2013 and 2014. 

Our team develops email security solutions deployed in the cloud or on premises with services for incoming (spam and virus) filtering, outgoing filtering, and email archiving. We have doubled in size nearly every year since its current product range launch in 2008.

We are a highly technical and technology focused company, making continuous investments and concentrating on R&D to stay competitive in the industry. All technologies are developed in-house and are constantly updated with weekly new features and real time engine updates. 

Currently, we serve clients in over 80 countries.

Management team & Shareholders

Sam Renkema CEO

Sam Renkema

Sam Renkema (1983), the Chief Executive Officer of SpamExperts co-founded SpamExperts in 2004. Sam has a diverse background having lived in 4 continents and having traveled to over 50 countries at a young age. Sam holds a Masters degree in Finance and a Bachelors degree in International Business.

Dreas van Donselaar CTO

Dreas van Donselaar

Dreas van Donselaar (1983) is SpamExperts' Chief Technology Officer since he co-founded SpamExperts in 2004. Dreas has been technology focused all his life and successfully sold two internet businesses before co-founding SpamExperts. Dreas holds a Masters degree in Information Technology and a Bachelors degree in International Business.

SpamExperts' organizational structure is led by a team of highly driven professionals with proven ability in bringing state-of-the-art email security services to the global market and assuring continuous growth.


Lead Developer Tony Meyer Based in New Zealand
Frontend Coordinator Alexandru Chirila Based in Romania
Quality Assurance Coordinator Catalin Donici Based in Romania
Support Coordinator Sebastian Antonescu Based in Romania

Finance and Operations Coordinator Claudiu Malinetescu Based in Romania
Marketing Coordinator Marilena Dobre Based in Romania
SysAdmins Coordinator Mikhael Anisimov Based in Russia
Sales Coordinator Flavius Malinetescu Based in Romania
Backend Coordinator Alexandru Chirila Based in Romania

Sales Team

Business Development Managers Ivan Mudryy Andreea Popa Andy Haworth
Account Managers Diana Avetisyan Anca Teodorescu Iuliana Moraru
Channel Managers Maarten Bosma
Sales Operations Specialists Ioana Grigorescu Gruia Iordan

SpamExperts office locations

SpamExperts office locations