---
title: "Postern"
slug: "postern"
status: "active"
last_checked: "2026-09-05"
categories:
  - "email"
---

# Postern

Self-hostable email infrastructure that gives human and AI-agent identities separate credentials for sending and receiving mail.

- Status: active
- URL: https://skyphusion.net/blog/postern-identity-bound/
- Last checked: 2026-09-05
- Freshness: 17 days
- Founded: not published
- Funding: not published

## Offerings

### Email

- Offering status: live
- What you get: Self-hostable email infrastructure that gives human and AI-agent identities separate credentials for sending and receiving mail.
- Acquisition: not published
- Geographies: not published
- Pricing: not published
- Pricing URL: not published
- API: not published
- SDK: not published
- MCP: not published
- Standards: not published

| Field | Value |
| --- | --- |
| address_model | not published |
| direction | not published |
| deliverability_handling | not published |
| inbox_api | not published |

## Sources

- https://skyphusion.net/blog/postern-identity-bound/