• Over 3,400 customers already trust SEPPmail for reliable email security
• The cloud solution protects companies of all sizes – from innovative SMEs to highly sensitive organizations in finance, healthcare, and public administration
• Growing market demand for email security driven by digital sovereignty, increasing threats, and regulatory requirements
   

Karlsruhe/Neuenhof, September 18, 2025: SEPPmail, a leading provider of email security in the DACH region, brings LEA, a leading partner for B2B SaaS companies, on board as a strategic growth partner. After years of successful organic growth with over 3,400 satisfied customers, founder Stefan Klein is entering the next phase of growth together with LEA to expand SEPPmail as a leading email security platform.

“Digital sovereignty, stricter compliance requirements such as NIS-2, and growing cyber threats are creating a market environment in which secure email communication is becoming a business-critical necessity. As a Swiss provider, SEPPmail is ideally positioned to meet this growing demand for trusted European security solutions”, says Kurt Weise, Partner at LEA.

“This partnership enables us to further strengthen our leading position in the market – through accelerated organic growth and targeted product expansions,” explains Stefan Klein, founder of SEPPmail. “Our common goal is to establish a European email security platform that meets the highest standards of security, compliance, and digital independence.”

For more than 25 years, SEPPmail has been addressing mission-critical requirements of organizations across all sectors – from small and medium-sized businesses to sensitive industries such as finance, healthcare, and public administration. Through a strong network of 500 certified sales partners, SEPPmail provides its customers with flexible, high-performance, and secure cloud solutions.