Postal
Run your own mail delivery infrastructure with a web interface, webhooks, IP pools, and spam filtering integrations for inbound and outbound email.
Technical Profile & Specs
verified 2026-11-07
- Cost
- $0 / forever (Open Source)
- License
- Open Source
- Hosting Model
- Self-host (your server)
- Platforms
- webself-hosteddocker to self-host
- Installation
- Clone https://github.com/postalserver/postal or deploy with Docker Compose
- Operational Setup
- Deploy via Docker or binary release from GitHub and configure environment variables.
- Where Your Data Lives
- All application data and configuration live on your own server or local database.
- The Catch / Trade-off
- Requires self-hosting setup, updates, and server maintenance compared to managed AWS SES.
Replaces 6 paid apps
up to $124/mo ($1,488/yr) in subscriptions
Postal FAQ
Common questions
Is Postal free and open source?+
Postal is an open-source tool licensed under Open Source that runs on self-host. Run your own mail delivery infrastructure with a web interface, webhooks, IP pools, and spam filtering integrations for inbound and outbound email.
What paid software does Postal replace?+
Postal serves as a free replacement for 6 paid SaaS applications: AWS SES, MailerSend, Mailgun, Postmark, Resend, SendGrid, saving up to $124/month ($1,488/year) in subscription bills.
How do you install and set up Postal?+
Installation: Clone https://github.com/postalserver/postal or deploy with Docker Compose. Setup notes: Deploy via Docker or binary release from GitHub and configure environment variables.
What is the catch or trade-off with Postal?+
Requires self-hosting setup, updates, and server maintenance compared to managed AWS SES.