Verify your domain
Add two DNS records. Ackuna configures SPF, DKIM and DMARC for you and confirms when propagation completes.
Introducing Ackuna EmailEmail delivery
Email delivery
for your app &
your audience
Send transactional email, marketing newsletters - and give your AI agents their own inboxes - from one platform, on one plan, with one sending reputation.
HOW IT WORKS
From sign-up to inbox in minutes
No deliverability consultants, no week-long IP warm-ups to get started.
Connect & send
Point your app at smtp.ackuna.com on port 587, or drive agent inboxes over the REST API. Your first email is one connection away.
Land in the inbox
Routing optimized per provider, with live events confirming every delivery, open and click.
No credit card required - Setup in under 5 minutes
FOR DEVELOPERS
An API your engineers will actually like
A drop-in SMTP relay for the mail your product sends, and a documented REST API for your agents' inboxes.
- SMTP + REST. Swap your provider by changing SMTP credentials; drive agent inboxes over the v1 API.
- Signed webhooks.
inbox.message.receivedandinbox.message.failedpushed to your endpoint, with replayable deliveries. - Idempotency keys. An
Idempotency-Keyheader makes a retried API write safe to repeat.
import nodemailer from 'nodemailer';
const transport = nodemailer.createTransport({
host: 'smtp.ackuna.com',
port: 587,
secure: false, // STARTTLS is negotiated on connect
auth: {
user: process.env.ACKUNA_SMTP_USER,
pass: process.env.ACKUNA_SMTP_PASSWORD,
},
});
await transport.sendMail({
from: '[email protected]',
to: '[email protected]',
subject: 'Your June invoice',
html: invoiceTemplate,
});PLATFORM
Everything serious senders need
Deliverability, compliance and visibility - built in, not bolted on.
Seconds to the inbox
Median inbox time of 1.9s across major providers, monitored continuously from real mailboxes.
SPF, DKIM & DMARC
Guided one-time setup with automatic checks - pass Gmail and Yahoo bulk-sender requirements from day one.
Suppression management
Bounces, complaints and unsubscribes are suppressed automatically, protecting your domain reputation.
SMTP and REST API
Swap your current provider by changing SMTP credentials, or drive agent inboxes over the documented v1 REST API.
Newsletter studio
Contacts, lists, templates and campaign analytics in the same platform that sends your receipts.
Delivery events
Every send, delivery, open, click, bounce and complaint recorded per message - auditable history included.
PRICING
One plan, all three services
Newsletters, the SMTP relay and Agent Mail are on every plan. Paid plans share one monthly email allowance between them, so you are never charged for splitting your volume the wrong way.
Two months free on every yearly plan.
Free
All three services on one workspace, no card
$0 forever
No credit card required
- Newsletters, SMTP relay and agent inboxes included
- 2,500 newsletter, 3,000 relay and 3,000 Agent Mail emails a month
- 500 contacts, 3 lists, 3 agent inboxes
- 1 domain, 1 SMTP credential, 3 workspaces
Builder
For a first production workload
$19 / month
Billed monthly, cancel anytime
- 60,000 emails a month, shared across all three services
- 5,000 contacts, 25 lists
- 25 agent inboxes, 10 SMTP credentials
- 10 domains, 3 team seats
Scale
For teams running all three services
$59 / month
Billed monthly, cancel anytime
- 200,000 emails a month, shared across all three services
- 25,000 contacts, 100 lists
- 100 agent inboxes, 25 SMTP credentials
- 50 domains, 10 team seats
Startup
For high volume across every service
$149 / month
Billed monthly, cancel anytime
- 500,000 emails a month, shared across all three services
- 100,000 contacts, 500 lists
- 500 agent inboxes, 100 SMTP credentials
- 250 domains, 25 team seats
Included on every plan, including Free
- Newsletters, SMTP Relay and Agent Mail on one workspace
- Guided SPF, DKIM and DMARC setup with automatic verification
- Suppression lists platform-wide, and one-click unsubscribe on every marketing send
- Delivery analytics and a per-message event history
- Agent Mail REST API, signed webhooks and idempotency keys
- SMTP credentials issued per verified sending domain
Compare every plan
| Plan | Free $0 forever | Builder $19 / month | Scale $59 / month | Startup $149 / month |
|---|---|---|---|---|
| Services included | All three | All three | All three | All three |
| Emails per month (shared) | Per service | 60,000 | 200,000 | 500,000 |
| Newsletter emails per day | 500 | 5,000 | 25,000 | 100,000 |
| Relay emails per day | 100 | 10,000 | 40,000 | 100,000 |
| Agent Mail emails per day | 100 | 2,000 | 10,000 | 50,000 |
| Contacts | 500 | 5,000 | 25,000 | 100,000 |
| Contact lists | 3 | 25 | 100 | 500 |
| Agent inboxes | 3 | 25 | 100 | 500 |
| SMTP credentials | 1 | 10 | 25 | 100 |
| Domains (sending + receiving) | 1 | 10 | 50 | 250 |
| Team seats | 1 | 3 | 10 | 25 |
| Workspaces | 3 | 3 | 5 | 10 |
| Relay log retention (days) | 3 | 30 | 90 | 180 |
| Relay body retention (days) | 1 | 7 | 14 | 30 |
Paid plans draw Newsletters, SMTP Relay and Agent Mail from one shared monthly email allowance. Free keeps a separate monthly allowance per service: 2,500 newsletter, 3,000 relay and 3,000 Agent Mail emails. Per-service daily caps apply on every plan. One domain allowance covers sending domains and Agent Mail receiving domains together.
FAQ
Questions procurement will ask
Start sending in minutes
All three services free every month: 2,500 newsletter, 3,000 relay and 3,000 Agent Mail emails. No credit card required - upgrade only when your volume does.