Maddy Mail Server

What it does

Administration

Maddy has no web interface for administration; administration is done through its CLI utility.checked 7 Oct 2026

Composable server

Maddy combines functionality that would otherwise be provided by Postfix, Dovecot, OpenDKIM, OpenSPF and OpenDMARC in one daemon.checked 7 Oct 2026

Deployment

The maker documents Linux installation options including a prebuilt amd64 tarball, Docker image, source build and Arch Linux packages.checked 7 Oct 2026

Docker

An official Docker image is available from Docker Hub and exposes standard SMTP, submission and IMAP ports.checked 7 Oct 2026

Dovecot integration

Maddy can use Dovecot as an external IMAP server and use its SASL authentication protocol for submission.checked 7 Oct 2026

Email security protocols

It implements DKIM, SPF, DMARC, DANE and MTA-STS protocols.checked 7 Oct 2026

IMAP status

The maker describes IMAP storage as beta quality and suggests Dovecot for users who need a stable, feature-packed implementation.checked 7 Oct 2026

Intended audience

The setup guide presents Maddy as a way to set up a mail server for personal use and says any VPS can work for small configurations.checked 7 Oct 2026

Purpose

Maddy implements the functionality to send and receive email over SMTP and store messages with IMAP access.checked 7 Oct 2026

Rspamd integration

Maddy supports rspamd's HTTP protocol directly, without requiring a milter proxy.checked 7 Oct 2026

Runtime requirements

The FAQ says a small personal server needs about 1 GiB of RAM and disk space.checked 7 Oct 2026

Security policy

Outbound delivery security supports MTA-STS and DNSSEC for MX authentication and TLS enforcement using MTA-STS and DANE.checked 7 Oct 2026

Spam filtering

Maddy does not include a content spam filter, but can integrate with rspamd.checked 7 Oct 2026

Webmail

Maddy does not currently include webmail.checked 7 Oct 2026