Sessy
Track deliveries, bounces, opens, clicks, and complaints from AWS SES in a self-hosted dashboard. Free and open source with optional hosted beta.

Know what happens after you hit send.
Sessy is an open-source email observability tool for AWS SES. Track deliveries, bounces, opens, clicks, and complaints in a dashboard you own. Self-host it or use the hosted version.
Key Features
- Real-time event tracking: Capture every SES event (sends, deliveries, bounces, complaints, opens, clicks) as it happens
- Bounce & reputation monitoring: Track bounce rates by type and spot complaint spikes to protect sender reputation
- Engagement analytics: Open and click tracking with unique counts and 30-day trend charts
- Multi-source management: Separate email streams by application or environment with dedicated webhook URLs
- MCP server integration: Query email data directly from AI agents like Claude Code or Cursor
- Flexible deployment: Self-host with Docker or PostgreSQL, or use the hosted beta version
- Cost-effective: Free self-hosted version with no per-email pricing
Tech / Self-Hosting
- Deployment: Docker or Kamal on your own infrastructure
- Database: SQLite by default, PostgreSQL support available
- Setup: No AWS credentials or complex integrations required
- Data ownership: Your data stays on your server with no limits on volume or retention
- Migration: Switch between self-hosted and hosted versions seamlessly