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Maddy Mail Server

OPEN SRC

All-in-one mail server that implements SMTP (both MTA and MX) and IMAP. Replaces Postfix, Dovecot, OpenDKIM, OpenSPF, OpenDMARC with single daemon

VG SCORE
9.0
VIEW ALTERNATIVES

Product Details

PricingOpen Source
API✅ REST
Learning CurveModerate
Integrations11 available

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PROS & CONS

STRENGTHS

  • Dramatically simpler configuration and deployment than traditional multi-daemon stacks.
  • Strong security defaults with modern protocols and built-in authentication mechanisms

WEAKNESSES

  • −Advanced configuration or integration with external tools can be less straightforward due to its integrated nature.
  • −Less battle-tested and has a smaller ecosystem/community than established tools like Postfix.

KEY FEATURES

Modern Architecture

Written in Go with a focus on security, concurrency, and simplicity

Single Configuration

Managed through one TOML config file instead of multiple services

Built-in Security

Integrates SPF, DKIM, and DMARC checking and signing natively.

Unified SMTP & IMAP

Implements both mail transfer (MTA/MX) and storage (IMAP) in one process.

WHO IS Maddy Mail Server BEST FOR?

System administrators and DevOps engineers

They need a modern, integrated mail server to replace complex multi-daemon setups like Postfix and Dovecot for internal or small-scale email services.

INTEGRATIONS

OpenSPFRedissystemdMySQL/PostgreSQLPostfixOpenDKIMSQLiteLet's EncryptDovecotOpenDMARCSQL databases

TECHNICAL DETAILS

LEARNING CURVE
MODERATE — FEW HOURS
API

✓ REST

FIELD REPORTS (0)

No field reports yet. Be the first to review Maddy Mail Server.

DOSSIER

LAST VERIFIED MAR 23, 2026
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FILED UNDER

Open SourceDeveloper Tools

ALTERNATIVES

Mail-in-a-Box8.5/10Mailcow9.0/10Mailu9.0/10Modoboa9.0/10Mox9.0/10
ALL ALTERNATIVES

INTEGRATIONS

OpenSPFRedissystemdMySQL/PostgreSQLPostfixOpenDKIMSQLiteLet's EncryptDovecotOpenDMARCSQL databases

PRICING MODEL

open source

BEST FOR

System administrators and DevOps engineers

FEATURES

Has API

FINAL ASSESSMENT

APPROVED — WORTH YOUR MONEY

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