
What is a transactional email? A guide for developers and product teams
Learn what a transactional email is, how it differs from marketing email, and why deliverability decides whether it lands. Plus a European sending option.

This is where you can explore, trial, and master new European cloud solutions before they become part of our core Cyso Cloud platform. Get hands-on experience with cutting-edge technologies while they’re still in development.
Subscribe to our innovation mailing list to stay informed about releases of beta services.
We welcome applications on an ongoing basis, with preference given to organisations that can offer valuable insights and practical implementation data.
Welcome to our innovation lab, where European cloud technology meets real-world testing. Our beta services represent the cutting-edge solutions we’re developing - each one designed with GDPR compliance and EU data sovereignty built in from the ground up.
These aren’t just proof-of-concepts. they’re functional services you can actually deploy and test in your projects while helping us shape their future development.
European-operated identity service ensuring complete GDPR compliance and data sovereignty. Modern authentication, enterprise SSO, and API security with no vendor lock-in.
Enterprise-grade PostgreSQL databases running on our Kubernetes infrastructure, while maintaining complete GDPR compliance and European data residency for your critical workloads.

Discover best practices for GDPR-compliant deployments, learn about the latest Open Source innovations, and explore real-world case studies from organizations successfully navigating their digital transformation journey.

Learn what a transactional email is, how it differs from marketing email, and why deliverability decides whether it lands. Plus a European sending option.


Cyso and xxllnc are at Data Expo 2026 with a talk on digital sovereignty. See the practical steps to European cloud and open standards.


Meet Cyso at Slush Helsinki 18 and 19 November, and talk sovereign European cloud, free from vendor lock-in and Cloud Act exposure.
