European email security vendors

A curated list of cybersecurity vendors headquartered in the European Union, in the Email security category. A sovereign alternative to foreign email security gateways.

6 vendors listed · 4 matching filters · last reviewed June 2026

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Hornetsecurity

Hannover-based cloud email security and Microsoft 365 backup suite.

Certifications

ISO 27001 SOC 2 Type II C5

Libraesva

Italian email security gateway with strong adoption across European MSPs.

Certifications

ISO 27001

Mailfence

Belgian end-to-end encrypted email provider, run by ContactOffice in Brussels.

Tuta

Hannover-based end-to-end encrypted email and calendar; quantum-resistant encryption roadmap.

Browse other European cybersecurity categories

VPN & remote access IAM & SSO EDR & XDR SIEM & observability IGA & PAM Firewall & NGFW Data loss prevention Cloud security (CSPM / CNAPP) MDR & managed SOC

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