Every story tagged Email Infrastructure, curated for CIOs and IT leaders — ranked by source credibility, engagement, and freshness.
5 stories · open in the command center
Posthorn is a lightweight, self-hosted email gateway that consolidates outbound mail handling across multiple applications by providing a single integration point to transactional email providers (Postmark, Resend, Mailgun, AWS SES), eliminating the need for each application to independently manage API credentials and mail integration logic. For IT organizations running self-hosted infrastructure on cloud providers that block outbound SMTP, this tool reduces operational complexity, improves security posture through centralized credential management, and provides a standardized interface for email handling across diverse applications. The implications are significant for organizations seeking to reduce mail infrastructure burden, simplify compliance/DKIM/DMARC management, and decrease deployment friction across their self-hosted application stack.
Warmy.io's research reveals that legitimate B2B senders are being silently blocked by the Barracuda Reputation Block List (BRBL) without bounces or platform alerts, creating a critical blind spot in email deliverability that impacts enterprise communications at the gateway level. IT organizations lack visibility into BRBL listings despite their severe impact on B2B campaigns, and the research identifies five early-warning signals in mail logs that can prevent full listings if detected early. Understanding BRBL mechanics—including its dual IP/URL reputation tracking and machine learning layer—is essential for IT leaders managing sender infrastructure and corporate email security.
This article presents a map of all 2,100 Swiss municipalities, revealing the email providers handling their official communications. This data is crucial for assessing digital sovereignty, as US-based providers are subject to the US CLOUD Act, which allows US authorities to access stored data regardless of location. The map provides visibility into the current provider landscape, which is important for IT organizations and technology leaders to consider the strategic implications of their email infrastructure choices.
Cloudflare has launched Email Service in public beta, enabling applications and AI agents to send and receive emails natively through their developer platform without complex authentication management. This infrastructure eliminates the need for third-party email services and allows organizations to build email-native AI agents that can receive requests, process work asynchronously across systems, and respond automatically—transforming email from a simple notification channel into a programmable interface for autonomous agent workflows. The service includes automatic SPF/DKIM/DMARC configuration, global delivery infrastructure, and native integrations with Cloudflare's Workers platform and Agents SDK.
A software company with a 99% email reputation score through SendGrid discovered their messages were being systematically filtered to spam by Gmail, which operates an independent reputation system that penalizes infrequent senders. This reveals a critical infrastructure challenge: email delivery systems now require constant high-volume sending to maintain 'IP warmth,' creating a catch-22 that punishes companies attempting to respect customer inbox preferences. The incident highlights how third-party platform algorithms can silently undermine direct customer communication channels, potentially impacting product launches and customer engagement without triggering obvious technical failures.