A Better Customer Experience Driven with Superior Communication Technology
We deliver critical messages to the right place while giving customers transparency over business processes, fax, email, and SMS communications.
CX Does Not Compromise
Do not settle for second best. Choose Retarus to receive, process and send critical documents at scale. Secure, reliable and compliant.
One Vendor, All Relevant Channels
Engage with customers via their preferred channel and benefit from central reporting and administration for fax, email, SMS, or RCS combined.
Always the Best Connection
Choose between multiple connection methods as needed including MuleSoft, APIs, pre-built connectors, adapters and direct integrations.
Customer Ratings and Reviews
“Our mail users have no troubles with using the processes related to Retarus. Releasing spam, maintaining personal black- and whitelists and understanding the need of an antispam/antimalware protection.”
Read full review IT Services, Management / Business Consulting
“In Retarus we have found a dependable partner for our email communications. Thanks to their reliable and innovative solutions, we are very well protected against any threats, both now and in the future.”
Read customer story Stefan Hopf, Head of Messaging and Collaboration, Continental AG
“Retarus Email Security is highly reliable and provides excellent detection rates.”
Read customer story Kurt Walther, Director Global IT and Business Intelligence, Puma AG
“Retarus is now so established at medbo that we simply think of you first whenever it comes to email. We get the impression that you all know what you’re doing.”
Read customer story Jürgen Schmalzbauer, Data Center Manager, medbo
“In a few words : The service works fine. It's easy to maintain and nearly self explaining. Our users are very pleased with Retarus. ”
Read full review Consumer Goods, IT
Explore Our Solutions for Different Customer Experience Platforms
Deep Dive Into Our Integrations for CX and Other Applications
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
How does Retarus differ from native communication tools?
Unlike basic native tools, Retarus provides enterprise-grade messaging infrastructure with global delivery capabilities, advanced tracking, regulatory compliance, and 24/7 service monitoring. Our solutions extend your CX platform's capabilities with specialized business messaging expertise developed over 30+ years in the industry.
What type of integrations does Retarus offer for Salesforce?
Retarus offers multiple connection methods including MuleSoft, direct SMS integration, and SMTP adapters for fax, SMS, and email to automate customer notifications, document delivery, and communication workflows. Learn more in our Salesforce Integration Documentation.
How quickly can Retarus integrations be implemented?
Most Retarus integrations can be deployed within days rather than weeks or months. Our pre-built connectors for major platforms like Salesforce and Microsoft minimize development resources while our expert implementation team ensures smooth configuration and testing.
Can I send automated transactional messages through Retarus integrations?
Absolutely. Retarus integrations support fully automated messaging workflows triggered by events in your CX platforms. Whether it's appointment confirmations, billing notifications, or service updates, communications can be personalized and delivered through the customer's preferred channel.