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.

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No credit card required 99.9% uptime SLA Free tier included
Deliverability

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
SPF RecordVerified
DKIM SignatureVerified
DMARC PolicyVerified
Bounce Rate0.4%
Complaint Rate0.01%

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.

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