Integrate Retarus Messaging into Your Microsoft Ecosystem
Our enterprise-grade fax, email, SMS, and EDI enhance your Microsoft applications such as Outlook, Teams, Dynamics, Exchange and Azure environments.
Level up the Digital Workplace
Control and automate communication workflows with APIs, gateways, and applications for the exchange of structured data.
Augment Your Existing Applications
Our services complement native Microsoft capabilities, providing enhanced communication features to improve user experience and adoption.
Performance Meets Compliance
We meet the highest security and compliance standards, while delivering exceptional performance for business-critical communication.
Customer Ratings and Reviews
“Retarus helps us to lower the risk of blacklisting, spams and get the e-mails (invoices) to the customer - reliable, fast and compliant! Great reporting engine and they are vey open for suggestions!”
Read full review IT Services
“Retarus reacted swiftly to our enquiry, understood our needs and professionally implemented the project within a very short space of time.”
Read customer story Patrick Brandner, Application Hosting Service Delivery Manager, Solvay SA
“The collaboration with the team at Retarus was uncomplicated, and within a few weeks we had access to the interface from the Swiss data center. The integration was extremely easy for my team.”
Read customer story Riccardo Trombini, CTO, Starmind AG
“Like samedi, Retarus places great importance on data protection and compliance. Modern programming interfaces made it easy to integrate the services into our platform and they were up and running quickly and reliably.”
Read customer story Michael Siebert, Chief Principal Engineer (CPE), samedi GmbH
“The Retarus Cloud Fax Services, in combination with the Datanet CTO tool, enable the automated provisioning and billing of our fax users. At the same time, we have been able to reduce our monthly fax costs considerably in comparison to our previous, server-based solution – especially with respect to maintenance, operation and licenses.”
Read Customer Story Siegfried Ocklenburg, Cluster IS Infrastructure Manager, ABB
Learn More About Specific Solutions for Multiple Microsoft Applications
Want to Find Out More About Retarus Microsoft Integrations?
Everything You Need to Know
For product specifications, administrator manuals, API tutorials and more, see our documentation center.
Interact with Our Messaging APIs
Try out our APIs functionalities in a mock-server environment without any implementation efforts.
In Good Company
We partner with leading Microsoft Solution Partners, who implement our products into your processes.
Frequently Asked Questions
Is Retarus compatible with both cloud and on-premises Microsoft deployments?
Absolutely. Retarus supports hybrid environments, pure cloud deployments, and traditional on-premises Microsoft infrastructure. Retarus solutions adapt to your specific deployment model while providing consistent service quality and features.
Does Retarus support Microsoft Power Automate for workflow automation?
Yes, Retarus provides connectors for Microsoft Power Automate (formerly Flow) that enable you to incorporate fax, email, and SMS messaging into your automated workflows without coding.
How do I monitor communications processed by Retarus within my Microsoft environment?
We offer an integration with Microsoft monitoring tools via a reporting API and can deliver status notifications directly to Microsoft applications like Teams or Power BI. Additionally, the Retarus Enterprise Administration Portal (EAS) provides comprehensive monitoring and reporting.