Posta Self-Hosted Email Platform

Explore this developer service’s ongoing no-cost allowance, restrictions and official documentation before deploying.

INCLUDED FREE ALLOWANCEFree AGPL-3.0-or-later self-hosted email platform with REST API, SMTP inbound/outbound relay, templates, campaigns, webhooks and web-form ingestion; no software message quota or reset period advertised.

View official documentation

Plan details

What do these plan and deployment labels mean?

Plan: Ongoing free allowance
Deployment model: Self-hosted
Credit card: Not required
Commercial use: Allowed
Added to directory (UTC): 2026-11-06
Last checked: 2026-11-06

Important restrictions

Requires own PostgreSQL, Redis, storage, domain/DNS and SMTP infrastructure; outbound SMTP providers, VPS, deliverability and managed hosting may cost extra. Production deployment should run dedicated workers; AGPL network-use obligations apply.

View official documentation

Independent community listing, not affiliated with the provider. Always check the latest billing policy and quotas before enabling paid usage.