Enterprise text messaging via cloud SMS services

Texting offers unique benefits when it comes to communicating with customers, partners, or employees. With a read rate of 98%, no other medium is accepted more widely. SMS messages are delivered regardless of the available Internet or data connection. They reach their recipient even if GSM is the only service available. With Retarus Enterprise SMS Services, you can send and receive a text message from your business application, desktop, SMS API, or web application anywhere in the world, economically and reliably. As part of the Retarus Enterprise Cloud, you can connect with 99% of all mobile networks making use of cloud-based SMS services for businesses.

Top Features

  • Receive text messages via email to clients

    With Retarus SMS2Mail you can easily receive texts in your email client. Incoming texts can be forwarded to pre-defined email recipients and integrated into existing workflows based on recipient numbers or keywords.

  • Receive SMS messages via applications

    With Retarus SMS to Applications, you can receive texts directly in your CRM or ERP systems, legacy applications, or web applications. Easily integrate incoming texts into workflows for immediate, automatic processing.

  • Send SMS messages via email to clients

    With Retarus Mail2SMS you can send texts simply and easily from anywhere via email through Retarus’ Enterprise Cloud. From any email client or cloud services such as Microsoft 365 and Google Workspace or from your mobile device. A special integration solution expanded to support active directory synchronization is available for Microsoft Exchange.

  • Send text messages with applications or via SMS APIs

    Whether ERP or CRM, mobile or web application, Microsoft or Oracle, on-premises or in the cloud. With Retarus SMS for Applications, you can integrate your transactional SMS in almost any business or cloud application, using standard interfaces and protocols such as SMTP and SMPP or APIs such as SOAP and REST.

  • Send text messages with SAP and SAP S/4HANA

    With Retarus SMS for SAP, you can send messages directly from your SAP system or SAP S/4HANA. Securely and according to your needs via Retarus’ Enterprise SMS Services—seamlessly integrated per BC-SMTP in your SAP environment. Without system modifications, without hardware and software installation, and without your own GSM infrastructure.

  • Send text messages via your web browser

    With Retarus WebExpress you can send texts with SMS service to large groups simply and easily from your web browser. This includes comprehensive text personalization functions, delivery confirmations, and distribution and blocklist management. Its workflow-optimized design allows you to send messages in no time via the Retarus Enterprise Cloud.

Must-Have Features


Make your dialog two-way with Retarus Enterprise SMS Services. The result: fast confirmation or approval processes with your customers, partners, and employees, as well as numerous other application possibilities.