Deliverability

Email Authentication Setup

Authenticate your email sending with industry-standard protocols. OutSends guides you through SPF, DKIM, and DMARC setup step by step.

SPF DKIM DMARC

How it works

Get started with email authentication setup in a few simple steps.

Access authentication settings

Navigate to the domain authentication section in your account.

Add sending domain

Enter your domain and get the DNS records you need to add.

Configure SPF and DKIM

Add the provided DNS records to your domain provider.

Verify and enable DMARC

Verify DNS records are correct and add DMARC policy.

Why OutSends for email authentication setup

Everything you need, integrated in one workspace.

  • Step-by-step guidance for DNS record setup
  • SPF, DKIM, and DMARC support
  • Verification tool confirms records are configured correctly
  • Protect your domain from spoofing

Related features

Explore more capabilities that work alongside email authentication setup.

Frequently asked questions

Why is email authentication important?

Authentication proves you are a legitimate sender and improves inbox placement.

How long does DNS verification take?

DNS propagation typically takes 5-30 minutes but can take up to 48 hours.

Do I need all three authentication methods?

SPF and DKIM are essential. DMARC is strongly recommended for full protection.

Start Free

Ready to try email authentication setup?

Create a workspace, connect a sender, and launch your first campaign \u2014 free, no credit card.