MDaemon Technologies Blog

Email is still the backbone of business communication, which means an email outage is rarely a minor inconvenience. When your mail server goes offline, orders stall, customers wait, and internal work grinds to a halt. That’s why failover and high availability (HA) should be considered with any MDaemon deployment plan.

The good news: achieving high availability with MDaemon is far simpler today than it used to be. This guide walks through your options, explains how to choose the right one, and covers the planning and testing that separates a resilient setup from one that only looks redundant.

Email is the backbone of how your organization communicates, but the server behind it shouldn't be complicated, expensive, or something you have to think about every day. That's the idea at the heart of MDaemon.

This is Part 2 of a two-part series on email authentication. Part 1: Why Messages That Fail SPF, DKIM, or DMARC Still Reach Inboxes — and How to Fix It in MDaemon.

You've configured sender authentication. You've published the right DNS records. You're checking your logs and seeing the word fail next to messages that shouldn't have been delivered, and yet they landed in user inboxes anyway.

Most people think of an email as one thing: a message with a “From” line at the top, a “To” line right under it, a subject, and a body. Type, click send, done. That mentality works fine when everything is going right.

When an MDaemon service stops unexpectedly - SMTP, Webmail, ActiveSync, or any of the others, every minute of silence is a minute your users aren’t sending or receiving mail. The good news is that you don’t need a third-party monitoring tool to catch these events. Windows ships with a built-in feature, Performance Monitor, that can watch for a stopped service and send an email alert the moment it detects one.

This guide walks through the full setup end-to-end: creating the performance counter alert, adding it to a PowerShell script that sends you a notification email, and testing the whole chain so you can be confident it will work when you actually need it.

Recently, we published our white paper “Email Security Without Compromise – the MDaemon Approach.” In this post, we’re sharing our latest white paper, which details how SecurityGateway intercepts email threats before they reach Microsoft 365, Microsoft Exchange, or any other mail server — with multi-layered protection, deep administrative visibility, and full deployment flexibility.

If you're an administrator using SecurityGateway for Email from MDaemon Technologies, you already know that the dashboard is your command center. It gives you an at-a-glance view of server health, message queues, spam activity, and more. But did you know you can go far beyond the default charts and build your own custom reports tailored to exactly what your organization needs to monitor?

Our new white paper covers MDaemon's layered defense strategy, enterprise-grade security features, and why it's a compelling alternative to Microsoft Exchange and Microsoft 365.