Zetian Logo
Zetian
HomeDocumentationAPI ReferenceExamples

Documentation

Access all information about Zetian SMTP Server here. Everything from quick start guide to detailed API reference.

Quick Start

Start in 5 minutes

Examples

Ready-to-use code samples

GitHub

Go to source code

Getting Started

Quick setup and first steps

  • Installation
  • First Server
  • Basic Concepts
  • Quick Start

Configuration

Server settings and configuration

  • Port Settings
  • TLS/SSL
  • Rate Limiting
  • Message Filters

Authentication

Security and authentication

  • PLAIN Auth
  • LOGIN Auth
  • Custom Auth
  • TLS/STARTTLS

Message Processing

Receiving and processing messages

  • Event Handlers
  • Message Storage
  • Filtering
  • Forwarding

Extensions

Plugin and extension development

  • Custom Filters
  • Storage Providers
  • Event Extensions
  • Middleware

API Reference

Detailed API documentation

  • SmtpServer
  • SmtpServerBuilder
  • ISmtpMessage
  • Events
Need help?GitHub IssuesorDiscussions
Zetian Logo
Zetian

High-performance, extensible SMTP server library for .NET. Built with modern async/await patterns and minimal dependencies.

Quick Links

  • Getting Started
  • Documentation
  • API Reference
  • Examples

Resources

  • GitHub Issues
  • Discussions
  • Changelog
  • Releases
  • License

© 2025 Zetian. Published under MIT License.

Built for the .NET community with