Operations | Monitoring | ITSM | DevOps | Cloud

Goodbye Email-to-Text: Why Modern Mobile Alerting with SIGNL4 Is the Smarter Choice

Over the past year, major U.S. mobile carriers have shut down their free email-to-SMS and email-to-text services – once common ways to send a text message directly from an email account. AT&T terminated its SMS gateway service in mid-2025, Verizon discontinued its SMS gateway domain in late 2024, and T-Mobile retired its gateway domain in December 2024.

Derdack Achieves ISO/IEC 27001:2022 Certification

Derdack attaches great importance to the confidentiality, availability and integrity of information. Therefore, Derdack has undergone a ISO27001:2022 audit and received a certification that Derdack has implemented and maintains an Information Security and Management System. ISO/IEC 27001:2022 is essential for organizations aiming to protect their information assets and comply with best practices in information security management.

Alerts and Notifications - What's the Difference?

In digital systems, communications, apps and IT/operations, the terms alerts and notifications are often used somewhat interchangeably – but there are important distinctions. Understanding these differences helps design better user experiences, reduce overload, and improve response to critical issues. Here are some of the defining contrasts: A few concrete examples help illustrate.

SIGNL4 + Microsoft Teams Integration - Streamline Critical Alerts and Incident Response

Enhance your incident management workflow with the SIGNL4 Microsoft Teams integration. In this video, we walk you through how SIGNL4 connects seamlessly with Microsoft Teams to deliver real-time, mobile push notifications, chat-based incident collaboration, and faster response times for your team. Whether you’re in IT operations, DevOps, security, or facility management, this integration ensures that the right people are alerted instantly and can take immediate action – directly within Teams. What you’ll learn in this video.

SIGNL4 Onboarding: Completing Your Purchase

Welcome to SIGNL4! In this onboarding video, we’ll walk you through how to complete your purchase so you can unlock the full power of SIGNL4 for your team. Whether you’re just getting started or upgrading from a trial, this quick tutorial makes it easy to activate your subscription and start benefiting from advanced incident alerting and on-call management. In this video, you’ll learn how to: Whether you’re in IT operations, DevOps, SOC, or MSSP environments, SIGNL4 helps your team stay connected to every critical incident — anywhere, anytime.