Mailboxes for your domains,
with an API.
Connect a domain, create mailboxes for people and services, and use them from any mail app or from code. Plain IMAP, SMTP and JMAP — no lock-in, no encryption theatre.
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Your domains
Add acme.com, copy four DNS records, done. DKIM, SPF and DMARC are generated for you; delivery goes out signed by your domain.
Any client
Apple Mail, Outlook, Thunderbird or our lightweight web client. Autoconfig and Autodiscover work out of the box.
API & webhooks
Create mailboxes, send messages and get message.received with the full parsed email pushed to your endpoint — signed.
Shared mailboxes
support@ and sales@ as groups your team can read together. Per-mailbox sending limits keep one bad script from burning your domain.
API reference →curl https://api.inboxar.com/v1/messages \
-H "Authorization: Bearer ibx_…" \
-d '{"from":"hello@acme.com","to":["ann@example.org"],
"subject":"Welcome","text":"Your account is ready."}'