mainly

Show HN: Mail client optimized for self-hosted email across multiple domains

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What is mainly?

Mainly is a self-hosted, multi-domain mail client that consolidates mailboxes from multiple domains into a single lightning-fast interface. Designed for users who need unified email management across several domains while maintaining full control over their infrastructure.

mainly pricing

Pricing model: Freemium

mainly pros

  • Multi-domain support with unified message list across all mailboxes
  • Self-hosted for complete data privacy and infrastructure control
  • Simple one-command deployment (git clone + ./mainly.sh start)
  • Open source and highly configurable via environment variables

mainly cons

  • Requires self-hosting and technical setup; not a managed SaaS offering
  • Limited mobile support information; appears to be web-based only
  • Sparse feature documentation on landing page; requires GitHub README review

Frequently asked questions about mainly

How do I set up mainly?

Clone the repository and run ./mainly.sh start. The script auto-generates secrets, deploys Postgres and the app, then you create a user account and add mailboxes from the web UI.

Is mainly open source?

Yes, the full source code is available at github.com/crnst8/mainly.

Is mainly self-hosted?

Yes, mainly runs on your own infrastructure; it is not a managed SaaS product.

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