🔐 Domain auth & DKIM

Domain authentication & DKIM

Prove your email is really from you — one CNAME to verify, one click for a DKIM key.

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Overview

Authentication in two steps

Add your sending domain, drop the CNAME record we give you into your DNS, and click Verify. Then generate a 2048-bit DKIM key with one click and add the TXT record we display. That's it.

  • Verify ownership with a single CNAME record
  • Generate a 2048-bit DKIM key in one click
  • Copy-paste DNS records — no crypto knowledge needed
  • SPF guidance included for full authentication
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What you get

Key capabilities

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CNAME verification

We check DNS live and confirm the moment it propagates.

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One-click DKIM

Generates the keypair and shows the exact TXT record to add.

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Copy-ready records

Click any record to copy it straight to your DNS provider.

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Warmup starts automatically

The day you verify, your warmup schedule begins.

Great for

Who uses this

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New sending domains

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Improving inbox placement

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Compliance requirements

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Migrating providers

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Free 14-day trial on managed or self-hosted plans. No credit card required.

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