Dmci: Mdaemon

Before diving into features, it’s essential to understand how DMCI works under the hood.

Unlike Microsoft Exchange’s native MAPI (Messaging Application Programming Interface), MDaemon uses its own proprietary protocol over TCP/IP to communicate with the DMCI client. Think of DMCI as a "translator" that sits between Outlook and MDaemon. mdaemon dmci

| Problem | Solution | |---------|----------| | No reports arriving | Wait 24–48 hours. ISPs send reports daily but may delay. Also verify rua= mailbox exists. | | Reports not parsing in DMCI | Ensure XML files are not corrupted. Download manually and import via File → Import DMARC Report. | | Too many “fails” from own servers | Check that your outgoing MDaemon IPs are included in your SPF record and that DKIM signing is active. | | DMCI missing in MDaemon | Update to latest version (Help → Check for Updates). DMCI requires v18.0+. | Before diving into features, it’s essential to understand

MDaemon DMCI typically operates through a COM (Component Object Model) interface. This is a standard Windows technology that allows different software components to communicate. MDaemon DMCI typically operates through a COM (Component

For example, a simple VBScript or PowerShell snippet using DMCI can connect to the server, authenticate, and disable a specific user account in milliseconds—far faster than logging into the GUI and navigating the menus.