Simple API + Relay URL
No complex SMTP setup. Send using your tokenized endpoint with reliable request processing.
Enterprise-Grade Email Infrastructure
Professional transactional email delivery for modern products.
OpenMail helps developers, teams, and businesses reliably send critical emails without running complex mail servers, including workloads hosted on restricted VPS platforms.
support@openproject.co.zw | +263 71 438 8521
Queued
Sent
Delivered
Failed
Built for engineering teams and operations leaders
From OTPs and billing notifications to onboarding, alerts, and support communications, OpenMail gives your organization a controlled, auditable and scalable mail delivery layer.
Delivery Transparency
Track queued, sent, delivered, bounced, deferred, failed, and complaint events in one timeline.
Integration in four practical steps
Get from signup to production delivery quickly with a predictable workflow.
Step 1
Create account
Access your dashboard, token URL, and API key.
Step 2
Set sender identity
Configure sender name and from email by application.
Step 3
Send API requests
POST JSON payloads directly to the relay endpoint.
Step 4
Observe outcomes
Use status timelines and analytics to monitor reliability.
POST /r/[token]
{
"to": "user@example.com",
"subject": "Verify your email",
"type": "text",
"body": "Welcome to OpenMail"
}
Message lifecycle coverage
- Request accepted and queued by relay endpoint.
- SMTP handoff recorded with provider message id.
- Provider callbacks update final delivery outcome.
- Retries and failures are logged for diagnostics.
Example status timeline
queued10:12:01
sent10:12:03
delivered10:12:07
If delivery fails, root-cause context is retained for troubleshooting.