docker-mailserver vs iRedMail
| Tagline | Production-ready, config-driven mail server in a single container | Full-featured open-source mail server built on Postfix and Dovecot, installable in minutes |
| Category | Email & Newsletters | Email & Newsletters |
| Replaces | Gmail / Google Workspace | Gmail / Google Workspace, SendGrid, Mailchimp |
| GitHub stars | 18k | 1.8k |
| Language | Shell | Shell |
| License | MIT | GPL-3.0 |
| Self-host difficulty | 4/5 Involved | 3/5 Moderate |
| Deploy options | Docker Docker Compose Manual | Manual |
| Managed hosting | ||
| Last updated | 8 days ago | 24 days ago |
| View repo | View repo |
Where each falls short
The honest trade-offs — what you give up with each, versus the proprietary tools they replace.
docker-mailserver
- No admin web UI — all config is via files and the CLI
- No bundled webmail or groupware (calendar/contacts)
- Deliverability, DNS, and TLS setup are entirely your responsibility
- Not a newsletter/marketing tool — mailboxes only
iRedMail
- Full admin panel (iRedAdmin-Pro) requires a paid license; free admin panel is limited
- Designed for dedicated servers only; Docker or container-based installs are unofficial
- No built-in newsletter or bulk email campaign features
- Upgrades between major versions require careful manual steps
Bottom line
Choose iRedMail if you want the lower-effort setup; choose docker-mailserver for the larger community and ecosystem. docker-mailserver has seen more recent development. Open each guide below for deploy steps and the full feature gap.
docker-mailserver
Production-ready, config-driven mail server in a single container
iRedMail
Full-featured open-source mail server built on Postfix and Dovecot, installable in minutes