Notes from building Sukhovei Mail
How Sukhovei Mail works and why it works that way. Written by the person building it, with real records, real code and the trade offs behind them.
Updated
Every post is written by Arin Prajapati, who builds Sukhovei Mail, from the code and the servers as they are when the post goes out.
Posts
- Archived: self-hosted outbound mail designArchived: this describes the original self-hosted outbound design. Amazon SES is now the production outbound provider; Sukhovei Mail still operates inbound SMTP and stored inboxes.October 14, 2026, 5 min
- How email authentication works: SPF, DKIM and DMARC explained with real recordsThree DNS records decide whether your mail is trusted. Each one answers a different question. Here they are, one at a time, using the exact records Sukhovei Mail generates for a new domain.October 14, 2026, 6 min
- Giving AI agents an email address: design notesAn agent is not a person with a mail client. It cannot glance at an inbox or click around. These are the decisions we made so an agent can use email in as few steps as possible.October 14, 2026, 5 min
- Building in Rust: an architecture tourSukhovei Mail is about ten Rust crates and a Next.js app. This is how they fit together, the rule that keeps them consistent, and the testing habit we would not give up.October 14, 2026, 5 min
Read next
- What people build with Sukhovei MailSix jobs Sukhovei Mail does well, each with a walkthrough you can copy. The requests and code on these pages were run against a real Sukhovei Mail stack before we published them.
- How Sukhovei Mail comparesFive products people weigh Sukhovei Mail against, with what each costs, what it does, and where it is the better choice. Every competitor fact links to its source.
Put Sukhovei Mail to work
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