We are pleased to announce that Stalwart Mail Server is not vulnerable to the recently disclosed CVE-2024-34055 exploit, which affects Cyrus IMAP versions before 3.8.3 and 3.10.x before 3.10.0-rc1. This vulnerability allows authenticated attackers to cause unbounded memory allocation, potentially leading to a server crash through an Out-Of-Memory (OOM) condition.
Email security is a critical aspect of digital communication, especially given the rising sophistication of cyber threats. DomainKeys Identified Mail (DKIM) and Authenticated Received Chain (ARC) are standards designed to ensure the authenticity and integrity of emails. However, as discovered by analysts at Zone.eu, vulnerabilities in the DKIM standard could undermine these protections, affecting billions of users worldwide.
We are excited to announce the release of Stalwart Mail Server v0.8.0, a significant update that introduces powerful new features and enhancements designed to improve performance, scalability, and ease of use. This release marks a major step forward in our commitment to providing a robust and highly available email server solution for businesses and organizations of all sizes.
Today we announce the release of Stalwart Mail Server version 0.7.2, which now includes support for both DNS-01 and HTTP-01 ACME challenge types. This update marks a significant enhancement in our server's capabilities, addressing one of the most frequent requests from our user community—the inclusion of DNS-01 support for improved domain validation flexibility.
We're thrilled to announce the release of Stalwart Mail Server version 0.7.0, a significant update that brings a wealth of features and improvements to enhance the performance and manageability of your email services. This release marks a pivotal moment in our journey to provide an email server solution that combines ease of use with robust performance, ensuring that your email infrastructure is both secure and efficient.
This Valentine's Day, we're not just celebrating love and companionship; we're also celebrating the groundbreaking advancements in the Stalwart Mail Server with the release of version 0.6.0. In a world where reliability and flexibility in mail server management are more critical than ever, Stalwart Mail Server takes a significant leap forward with the introduction of distributed SMTP queues and the integration of expressions in configuration files. Let's delve into how these features transform your mail server experience, making it more robust, efficient, and customizable than ever before.
We are excited to announce a significant update to Stalwart Mail Server - the introduction of an integrated fail2ban-like system in our latest version, 0.5.3. This new feature marks an important advancement in our ongoing commitment to providing robust security measures for our users.
ACME (Automatic Certificate Management Environment) represents a breakthrough in managing TLS (Transport Layer Security) certificates. This protocol automates the process of obtaining, installing, and renewing TLS/SSL certificates, which are crucial for securing network communications. TLS certificates provide authentication and encryption, ensuring that data transferred between users and servers remains private and secure.
ACME's ability to automate these tasks greatly simplifies certificate management, particularly for services like mail servers that require ongoing security maintenance. The protocol interacts with Certificate Authorities (CAs) such as Let's Encrypt to automate the verification of domain ownership and the issuance of certificates, significantly reducing manual effort and the risk of human error.
We are thrilled to announce the release of Stalwart Mail Server 0.5.2, which brings two significant advancements: the integration of the ACME protocol for automatic TLS certificate deployment and support for the HAProxy Protocol. These features mark a substantial step forward in our commitment to enhancing the security and efficiency of Stalwart Mail Server.
In the world of email security, a recent concern has arisen known as SMTP Smuggling, a vulnerability that can be exploited to spoof emails. This blog post will explain what SMTP smuggling is and how Stalwart Mail Server is designed to be immune to this vulnerability. We'll also discuss a new feature we've implemented to protect other servers that might be vulnerable.
We are excited to announce the release of Stalwart Mail Server v0.5.0. As we approach the end of the year, this significant update marks a major advancement in our journey to provide a robust, efficient, and versatile mail server solution. This latest version incorporates a range of performance enhancements, storage layer improvements, and new features, designed to elevate your email server experience.