postalserver/postal
📮 A fully featured open source mail delivery platform for incoming & outgoing e-mail observed · 2026-08-28
Health v2 · maintenance only
90/100
- Activity 98
- Release rhythm 75
- Longevity 100
How is this computed?
round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10) — computed 2026-09-03. Adoption (stars, forks) is never an input.
- gap_med: 60.5
- age_days: 3423
- days_rel: 91
- days_push: 16
- n_releases_24m: 3
Adoption not part of the score
16769 stars · 1281 forks observed · 2026-08-28
What it is AI-extracted, prompt v1, taxonomy v1, 2026-08-29, confidence not recorded
Postal is a fully featured open-source mail delivery platform for sending and receiving email, a self-hosted alternative to Sendgrid/Mailgun. Written in Ruby, it provides SMTP and HTTP APIs for transactional email.
Use cases
- send transactional email from my own servers
- self-hosted alternative to sendgrid
- receive inbound email via smtp
- track email deliveries and bounces
- run a mail server for my web apps
When to choose
- you want full control over email delivery infrastructure
- you need to avoid per-email costs of ESPs
- you can operate your own servers and IP reputation
When to avoid
- you prefer a managed email service
- you cannot maintain mail server deliverability
Facets
application · maturity active
email http-server api-framework self-hosted smtp mail-server transactional-email mta linux docker
1 source
- readme: https://github.com/postalserver/postal · fetched 2026-08-28 · cd12bd3c9dae
Member repositories
| Repository | Role | Health v2 |
|---|---|---|
| postalserver/postal | main | 90 |
For agents
markdown · JSON · MCP: product_card(name="postalserver/postal")
Data as of 2026-08-30T08:39:29.467469+00:00 · Report a problem