Self-hosted email that is actually manageable
Mailingo gives you a reliable mail server appliance with an operations-focused admin app and a fast webmail client for users. Manage domains, mailboxes, DKIM, DNS diagnostics, queues, telemetry, and mailbox access from one simple platform.
Built around Postfix, Dovecot, and Rspamd with a Rust API and Next.js frontends
Admin control plane + Modern webmail
Mailingo Admin
Run your mail server from one focused control plane. Manage domains, mailboxes, aliases, DKIM, DNS checks, service status, queues, telemetry, and licensing from a single dashboard.
- Dashboard with service status and license usage
- Domain and mailbox management with quotas
- DKIM key generation and DNS diagnostics
- Queue visibility and service controls
- Live telemetry with Prometheus metrics
Mailingo Mailbox
Give users a clean webmail app without adding groupware bloat. Read, send, reply, forward, search, manage folders, handle attachments, and switch accounts from a focused mailbox interface.
- Inbox with folders, conversations, and search
- Compose with signatures and attachments
- Reply, forward, and draft management
- Multiple account support in one session
- Mailbox size indicator and diagnostics
Mail infrastructure, not groupware bloat
Mailingo intentionally avoids chat, documents, video calls, and office collaboration features. It focuses on running email well.
Domains and DNS
Add hosted domains, generate DKIM keys, and validate DNS records with clear remediation steps.
Mailboxes and Aliases
Create mailbox accounts, set quotas, manage aliases, and track usage against license limits.
Webmail Client
Users can read, send, reply, forward, search, manage folders, handle attachments, and switch accounts.
Queue and Delivery Visibility
See queue size and delivery telemetry so admins can spot mail flow issues quickly.
Spam Filtering
Rspamd integration helps reject or flag unwanted messages while surfacing spam/reject activity in telemetry.
Telemetry and Monitoring
View live operational metrics in the admin app and export metrics for Prometheus-compatible monitoring.
DNS Diagnostics
No vague warnings. See the current value, expected value, status, and remediation steps for every DNS record.
Licensing and Capacity
Track edition, license status, max domains, max mailboxes, and current usage without interrupting mail flow.
Everything an email admin needs, in one place
Manage domains, mailboxes, aliases, DKIM, DNS checks, service status, queues, telemetry, and licensing from a single focused dashboard.
Dashboard
High-level view of license usage, service status, queue size, domains, and mailbox counts.
A clean mailbox app for everyday email
Mailingo includes a modern webmail client with folders, conversations, search, attachments, compose, reply, forward, signatures, and multi-account support.
Inbox
Browse folders, conversations, and messages with a clean sidebar and mailbox size indicator.
Built on proven components
Mailingo does not reinvent SMTP or IMAP. It wraps dependable mail components with a clean control plane and modern webmail.
Admin Layer
PostgreSQL
App state
Admin API (Rust)
Control plane
Admin UI (Next.js)
Admin interface
Mail Stack
Postfix
SMTP delivery
Dovecot
IMAP & mailboxes
Rspamd
Spam filtering
User Layer
Client API (Rust)
Mailbox backend
Mailbox UI (Next.js)
Webmail client
Docker Compose appliance: Admin UI + Admin API + Client UI + Client API + Postfix + Dovecot + Rspamd + PostgreSQL + CaddyBuilt for different needs, same reliable email
For Small Businesses
Host your own email without adopting a full collaboration suite.
Designed for the admin who gets the call when email breaks
Mailingo surfaces queue size, service state, mailbox/domain counts, spam/reject events, disk usage, memory usage, and Prometheus metrics.
DNS Diagnostics
No vague warnings. Show the current value, expected value, status, and remediation steps so admins know exactly what to change.
v=spf1 include:_spf.example.net -allv=spf1 mx a:mail.example.com -allQueue Visibility
Inspect queued or deferred messages so delivery issues are visible and actionable. See queue size at a glance on the dashboard.
Live Telemetry
View live operational metrics including mail volume, spam/reject events, CPU, memory, disk, and service state in the admin app.
Prometheus Metrics
Expose appliance metrics for external monitoring via a Prometheus-compatible endpoint. Integrate with your existing observability stack.
Ready to run your own email?
Deploy Mailingo as a Docker Compose appliance and get a reliable mail server with admin tooling and webmail in minutes.