Replace Mailchimp / ConvertKit with Self-Hosted Keila
Open-source newsletter tool built with Elixir and Phoenix with visual block editor and analytics Stop paying Standard 15k Contacts ($135/mo) ($135/mo for a 10-person team) and run Keila on a $4.50/mo Linux VPS with full data sovereignty.
1-to-100 Seat Total Cost of Ownership (TCO) Table
Comparing Mailchimp / ConvertKit (Standard 15k Contacts ($135/mo)) vs Keila on Hetzner CX22 (4GB RAM / 2 vCPU).
| Team Size | Mailchimp / ConvertKit Cost | Keila VPS | Net Annual Savings |
|---|---|---|---|
| 1 Seat (Solo) | $135.00/mo ($1,620/yr) | $4.50/mo (CX22) | +$1,566 / year |
| 5 Seats | $135.00/mo ($1,620/yr) | $4.50/mo (CX22) | +$1,566 / year |
| 10 Seats | $135.00/mo ($1,620/yr) | $4.50/mo (CX22) | +$1,566 / year |
| 25 Seats | $135.00/mo ($1,620/yr) | $4.50/mo (CX22) | +$1,566 / year |
| 50 Seats | $135.00/mo ($1,620/yr) | $4.50/mo (CX22) | +$1,566 / year |
| 100 Seats | $135.00/mo ($1,620/yr) | $4.50/mo (CX22) | +$1,566 / year |
Production Docker Compose + Caddy Auto-SSL
Copy and run docker compose up -d on any Ubuntu 24.04 server.
# Production Docker Compose: Keila (Replaces Mailchimp / ConvertKit)
services:
caddy:
image: caddy:2-alpine
restart: unless-stopped
ports:
- "80:80"
- "443:443"
volumes:
- ./Caddyfile:/etc/caddy/Caddyfile:ro
- caddy_data:/data
networks:
- stack_net
keila:
image: pentacent/keila:latest
container_name: stack-keila
restart: unless-stopped
environment:
- "DB_URL=postgres://postgres:${POSTGRES_PASSWORD:-strongpassword}@postgres:5432/keila"
- "URL_HOST=mail.${DOMAIN:-yourdomain.com}"
volumes:
- keila_data:/data
networks:
- stack_net
postgres:
image: pgvector/pgvector:pg16
container_name: stack-postgres
restart: unless-stopped
environment:
- "POSTGRES_USER=postgres"
- "POSTGRES_PASSWORD=${POSTGRES_PASSWORD:-strongpassword}"
volumes:
- postgres_data:/var/lib/postgresql/data
networks:
- stack_net
networks:
stack_net:
driver: bridge
volumes:
caddy_data:
keila_data:
postgres_data:
# Automatic Let's Encrypt HTTPS for Keila
keila.{$DOMAIN:yourdomain.com} {
encode zstd gzip
reverse_proxy keila:4000
}
Why Teams Switch to Keila
- ✓Visual drag-and-drop block editor
- ✓Native AWS SES, Postmark, SendGrid & SMTP
- ✓Privacy-safe open/click stats
pentacent/keila:latest
Deploy Keila in 60 Seconds
Sized automatically for Keila (512MB container RAM + OS overhead).
Get All 16 Pre-Built Production Stacks + Encrypted S3 Backups
Includes pre-tuned docker-compose.yml, Caddy Auto-SSL, AES-256 encrypted nightly S3/R2 Postgres backups, and Ubuntu 24.04 UFW/Fail2ban hardening scripts.