Deliverability infrastructure
you can trust
DKIM signing, SPF alignment, DMARC enforcement, and automatic suppression lists — so your sender reputation stays pristine at any send volume.
Your reputation, fully protected
We handle the hard parts — DKIM signing, SPF alignment, and DMARC enforcement — so every message passes authentication at every major provider.
- DNS verification wizard for SPF, DKIM and DMARC
- Automatic hard-bounce suppression list
- RFC-compliant List-Unsubscribe headers
- One-click unsubscribe flow built-in
- Complaint feedback loop processing
- Dedicated vs shared IP pool options
Suppression lists, automatic and manual
Hard bounces, spam complaints, and unsubscribes tracked automatically. Add your own via the dashboard or API.
Hard Bounces
Automatically suppressed after the first hard bounce to protect your IP reputation.
Spam Complaints
ISP complaint feedback loops processed within seconds of receipt.
Unsubscribes
One-click RFC 8058 unsubscribe handled automatically for every message.
Manual Suppression
Block any address manually via the dashboard or DELETE /api/v1/suppressions/.
99.97%
Delivery rate
<0.1%
Bounce rate
3
Auth checks (SPF, DKIM, DMARC)
Start with rock-solid deliverability
Add your domain, verify DNS records, and start sending with full authentication in under 5 minutes.
No credit card required · Cancel anytime