5 Best Open Source AWS SES Alternatives
A curated collection of the 5 best open source and self-hosted alternatives to AWS SES in 2026.
Looking for a free, privacy-friendly, or self-hosted replacement for AWS SES in 2026? The top open-source alternative is Sendune — A comprehensive platform for managing transactional and marketing emails through AWS SES, featuring customer data management, SMS capabilities, and workflow automation..
Other highly rated open-source AWS SES alternatives include Sessy, Hyvor Relay and Wraps.
A comprehensive platform for managing transactional and marketing emails through AWS SES, featuring customer data management, SMS capabilities, and workflow automation.
A comprehensive platform for managing transactional and marketing emails through AWS SES, featuring customer data management, SMS capabilities, and workflow automation.
Track SES deliveries, bounces, opens and clicks in a self-hosted dashboard with real-time search, analytics and reputation monitoring.
Track SES deliveries, bounces, opens and clicks in a self-hosted dashboard with real-time search, analytics and reputation monitoring.
Self-hosted email API alternative to AWS SES & Mailgun. Open-source AGPL-3.0 with enterprise features, automated deliverability, and cloud version coming 2026.
Self-hosted email API alternative to AWS SES & Mailgun. Open-source AGPL-3.0 with enterprise features, automated deliverability, and cloud version coming 2026.
Build email templates as React components and automations in TypeScript. Deploy to your AWS account with SES integration. Marketing teams edit content without code.
Build email templates as React components and automations in TypeScript. Deploy to your AWS account with SES integration. Marketing teams edit content without code.
Email inbox API for AI agents to create, send, and receive messages via REST
AgentMail provides AI agents with real email inboxes, enabling them to create, send, receive, and search messages entirely via REST API. Built specifically for autonomous agents and agentic workflows, it eliminates the need for manual email handling. - Inboxes API: Create, manage, and operate email inboxes entirely via API with custom domains and multi-tenancy support - Threads & Replies: Full email thread management including attachments and realtime events - Semantic Search: Advanced search capabilities to find relevant emails quickly - Data Extraction: Automatically extract structured data from emails - SDKs & MCP: Python, TypeScript, and CLI SDKs with Model Context Protocol (MCP) support - Agent Integrations: Native support for popular AI agents like Claude Code, Hermes, OpenClaw, Codex, Cursor, and Grok - Security: Agent Armor feature to screen inbound mail before agents process it - Scalability: Built for enterprise-grade performance with global infrastructure AgentMail is a fully managed cloud service with no self-hosting option available. The platform provides REST APIs, SDKs (Python, TypeScript, CLI), and MCP servers for seamless integration with AI agent frameworks. All infrastructure is managed by AgentMail with enterprise-grade security and compliance standards.
About AWS SES
AWS SES delivers reliable, scalable email sending and receiving services with high deliverability rates, detailed analytics, and seamless integration with other AWS services for businesses of all sizes.