SirrMesh Introduction

SirrMesh is a composable all-in-one mail server with blockchain authentication support. It integrates enterprise-grade mail server functionality with EVM wallet signature authentication to create a secure, modern email platform.

What is SirrMesh?

SirrMesh is a fully-featured mail server built with Go, providing:

• Complete SMTP/IMAP protocol support
• Blockchain wallet signature authentication
• Flexible message processing pipeline
• Production-ready deployment tools
• Multiple database and storage backend support

Key Features

Core Capabilities

• Complete Mail Server: Enterprise-grade SMTP/IMAP support
• Blockchain Authentication: EVM wallet signature-based email access control
• Multi-DNS Support: Automatic TLS certificate integration with 15+ DNS providers
• Spam Protection: DKIM, SPF, DMARC verification and reputation scoring
• Flexible Storage: SQL database backends (PostgreSQL, MySQL, SQLite) and S3-compatible object storage

Technical Specifications

Feature	Specification
Mail Protocols	SMTP, IMAP, Submission
Authentication	EVM Wallet, LDAP, PAM, SASL
TLS	Automatic ACME Certificates
Storage	SQLite, PostgreSQL, MySQL, S3
DNS Providers	15+ Supported

Architecture Overview

┌─────────────────┐     ┌─────────────────┐
│  Mail Clients   │────▶│   SMTP/IMAP     │
│  (Thunderbird,  │     │   Endpoints     │
│   Outlook, etc) │     └────────┬────────┘
└─────────────────┘              │
                                 ▼
                    ┌─────────────────────┐
                    │   Authentication    │
                    │  (Blockchain/LDAP)  │
                    └────────┬────────────┘
                             │
              ┌──────────────┼──────────────┐
              ▼              ▼              ▼
     ┌─────────────┐  ┌───────────┐  ┌──────────┐
     │   Storage   │  │   Check   │  │  Modify  │
     │  (SQL/S3)   │  │(DKIM/SPF) │  │  (DKIM)  │
     └─────────────┘  └───────────┘  └──────────┘

Why Choose SirrMesh?

For Developers

• Modular Architecture: Easy to extend with custom modules
• Clean API: Well-documented interfaces for building custom functionality
• Multi-language Support: Built with Go, provides bindings for multiple languages
• Active Development: Regular updates and improvements

For System Administrators

• One-Click Deployment: Automated installation scripts
• Easy Configuration: Simple, readable configuration format
• Production Ready: Battle-tested with comprehensive monitoring
• Flexible Deployment: Docker, systemd, and manual deployment support

For Security-Conscious Organizations

• Blockchain Authentication: Eliminates password-based vulnerabilities
• End-to-End Encryption: Complete TLS support with automatic certificate management
• Spam Protection: Multi-layer anti-spam measures
• Open Source: Fully auditable codebase under GPL 3.0 license

Use Cases

Private Mail Server

Deploy your own mail server with complete control over your data and privacy.

Enterprise Email

Enterprise-grade email solution with LDAP integration and advanced authentication options.

Blockchain-Based Communication

Leverage blockchain wallets for passwordless email authentication.

Development and Testing

Perfect for development environments with SQLite and easy local setup.

Next Steps

Ready to get started?

• Quick Start - Get SirrMesh running in minutes
• Installation Guide - Detailed installation instructions
• Configuration Guide - Configure SirrMesh for your needs

Community and Support

• GitHub: sirrmesh/SirrMesh
• License: GPL 3.0

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SirrMesh - A Modern Mail Server with Blockchain Authentication