
iRedMail
Mail-in-a-box
mailcow
Stalwart Labs
SendGrid Transactional Email
Postmark
Proton
Self-hosted email platform: mailboxes, sending API, webhooks, spam filtering and webmail on Postfix, Dovecot and Rspamd. Flat pricing, no volume metering.

Website, pricing, platforms and company facts side by side.
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| Website | vectismail.com | codegres.org |
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| Company | Startup from Australia · 1 - 9 employees · 2026 | — |
| Listed in |
In their own words, as submitted to SaaSHub.


Self-hosted email infrastructure for teams who want off the per-email and per-seat treadmill. Vectis Mail packages Postfix, Dovecot and Rspamd behind one declarative YAML config, a REST send API and an admin UI, and configures deliverability (DKIM/SPF/DMARC), TLS, webmail, backups and monitoring...
No description of Codegres.org yet.
What each product offers, as listed by its team.


Possible disadvantages
An editorial look at what each product does well and who it suits.


Overall verdict
Why this product is good
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Overall verdict
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How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing Vectis Mail and Codegres.org.
Vectis Mail's answer
If you want to own your email without becoming a full-time mail-server admin, Vectis sits between raw self-hosted stacks (mailcow, iRedMail, Mail-in-a-Box) and hosted mailboxes/APIs (Google Workspace, SendGrid). You get a SendGrid-style send API and full mailboxes in one system, deliverability and TLS configured for you, reversible updates from the UI, and flat pricing regardless of volume — no per-seat or per-email fees — with your data never leaving your server.
Vectis Mail's answer
Vectis Mail runs a full production email stack — Postfix, Dovecot and Rspamd — from a single declarative YAML config, orchestrated by one Go binary. Most self-hosted options make you wire those pieces together and maintain them; hosted providers keep your data on their infrastructure. Vectis gives you the whole server on infrastructure you control, with a REST send API, an admin UI, and atomic updates that plan, apply and roll back — so an upgrade or a bad edit never leaves a half-configured mail server.
Vectis Mail's answer
Developers, technical founders, agencies and small IT teams who run their own infrastructure and want control over their email — for data sovereignty and privacy, to escape per-email pricing, or to send transactional mail and host mailboxes without stitching a mail stack together by hand. Typically people comfortable with a Linux VPS and Docker.
Vectis Mail's answer
Vectis Mail is built by Veltara Works, an Australian software company. It came out of the frustration of choosing between hosted email — hand over your data, pay per seat or per email — and raw self-hosted stacks, where you assemble and babysit Postfix, Dovecot, Rspamd, DNS and TLS yourself. Vectis packages that stack behind one declarative config and a modern operator surface, so owning your email doesn't mean becoming a mail-server specialist.
Vectis Mail's answer
Go (control plane / orchestrator and REST API), Postfix (SMTP), Dovecot (IMAP/POP3/LMTP), Rspamd (spam filtering + DKIM signing), Roundcube (webmail), PostgreSQL (data), Traefik + acme.sh (automatic TLS), Docker (packaging and deployment), and Prometheus / Grafana / Loki (monitoring). Admin UI in React + TypeScript.
Vectis Mail's answer
Share your experience with using Vectis Mail and Codegres.org. For example, how are they different and which one is better?
When comparing Vectis Mail and Codegres.org, you can also consider the following products.

A fully fledged, free email server solution, an open source project (GPL v2).
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Mail-in-a-Box provides webmail and an IMAP/SMTP server for use with mobile devices and desktop mail software and also includes contacts and calendar synchronization.
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Transactional email is sent to facilitate an agreed-upon transaction between the sender and the recipient, like account creation or purchase receipt emails.
Compare SendGrid Transactional Email to Vectis Mail or Codegres.org:

Postmark is the easiest and most reliable way to be sure your important transactional emails get to the inbox. Simply & reliably parse recieved email to JSON for your webapp.
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