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Digital communication for SAP: Retarus Cloud Services

In the age of digital transformation, it is no longer enough to just use SAP systems to manage business processes. Today, companies expect fully integrated, seamless communication that is secure, reliable and globally scalable.
Ellen Walkowiak, Retarus
September 1, 2025
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This text has been automatically translated from German to English.

This is precisely where Retarus comes in with its cloud-based messaging services: They complement SAP C/4HANA and S/4HANA with powerful digital communication channels such as IDP (Intelligent Document Processing), EDI (Electronic Data Interchange), Transactional Email, Cloud Fax and Enterprise SMS. This enables Retarus to seamlessly connect its services to SAP environments - regardless of whether they are operated on-premises, hybrid or completely in the cloud.

IDP: Automated and intelligent document processing


With Retarus Intelligent Document Processing companies use the advantages of AI for their SAP document processing. The intelligent solution automatically recognizes and classifies incoming documents such as orders or invoices and converts them into structured SAP data. Unclear data can be verified manually using the integrated human-in-the-loop interface (HITL), resulting in a 100% recognition rate.

EDI: Electronic data interchange made simple

A consistent, automated process flow ensures greater efficiency and transparency in the supply chain. With the EDI Gateway from Retarus companies network their SAP systems with customers, suppliers and partners worldwide. The scalable solution handles the conversion, routing and monitoring of all electronic business documents such as orders, shipping notifications and invoices.

Transactional Email: Emails from SAP with maximum delivery success

Retarus Transactional Email enables companies to send high-volume and signed emails - such as order confirmations, invoices or shipping information - directly from SAP/S4HANA, CX or HCM. The high-performance infrastructure ensures the highest delivery rates, even when sending several thousand emails per minute. The innovative Message Signing function provides additional security. It guarantees that the content of the email has not been changed after it has been sent and that the message originates from the specified sender.

Cloud Fax: Digital fax communication without media discontinuity


Even in the digital age, fax still plays an important role in many sectors such as healthcare, financial services and public administration. Retarus Cloud Fax can be integrated directly into SAP systems without the need for local fax hardware. Documents such as order confirmations, delivery bills or contracts can thus be sent and received automatically directly with SAP applications. With Retarus, fax communication is always data protection compliant (GDPR), traceable and scalable.

Enterprise SMS: Send critical information in real time


SMS is still the most reliable channel for time-critical information. Thanks to their global reach and delivery within seconds, SMS messages are ideal for use in the supply chain, logistics or for appointment confirmations, for example. Retarus Enterprise SMS can be integrated into SAP applications, for example to send two-factor authentications, appointment confirmations or status messages in real time.

Digital, efficient communication directly from SAP


Retarus Cloud Services enable companies to add powerful digital communication functions to their SAP systems. Seamless integration through certified SAP interfaces and APIs enables processes to be automated, costs to be reduced and communication with customers and suppliers to be improved. In addition, Retarus' auditable data centers meet all industry and country-specific data protection and security requirements such as ISO 27001, SOC 1 and 2, ENS, PCI-DSS, HIPAA, HITRUST and TISAX.

Find out more now: retarus.com/sap

To the partner entry:

Meet us at this year's DSAG Annual Congress from September 16 to 18 in Bremen in Hall 5, Stand J5.

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Ellen Walkowiak, Retarus

Ellen Walkowiak, Senior Ecosystems Manager at Retarus


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Working on the SAP basis is crucial for successful S/4 conversion. 

This gives the Competence Center strategic importance for existing SAP customers. Regardless of the S/4 Hana operating model, topics such as Automation, Monitoring, Security, Application Lifecycle Management and Data Management the basis for S/4 operations.

For the second time, E3 magazine is organizing a summit for the SAP community in Salzburg to provide comprehensive information on all aspects of S/4 Hana groundwork.

Venue

FourSide Hotel Salzburg,
Trademark Collection by Wyndham
Am Messezentrum 2, 5020 Salzburg, Austria
+43-66-24355460

Event date

Wednesday, June 10, and
Thursday, June 11, 2026

Early Bird Ticket

Regular ticket

EUR 390 excl. VAT
available until 1.10.2025
EUR 590 excl. VAT

Venue

Hotel Hilton Heidelberg
Kurfürstenanlage 1
D-69115 Heidelberg

Event date

Wednesday, April 22 and
Thursday, April 23, 2026

Tickets

Regular ticket
EUR 590 excl. VAT
Subscribers to the E3 magazine
reduced with promocode STAbo26
EUR 390 excl. VAT
Students*
reduced with promocode STStud26.
Please send proof of studies by e-mail to office@b4bmedia.net.
EUR 290 excl. VAT
*The first 10 tickets are free of charge for students. Try your luck! 🍀
The event is organized by the E3 magazine of the publishing house B4Bmedia.net AG. The presentations will be accompanied by an exhibition of selected SAP partners. The ticket price includes attendance at all presentations of the Steampunk and BTP Summit 2026, a visit to the exhibition area, participation in the evening event and catering during the official program. The lecture program and the list of exhibitors and sponsors (SAP partners) will be published on this website in due course.