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Free ToolsSPF Record Generator

SPF Record Generator

Build a correct, copy-ready SPF record from the providers you actually send through — no syntax to memorize, no risk of the dreaded multiple-record error.

Email Authentication

SPF Record Generator

Select the services that send email for your domain, choose a policy, and we'll assemble one valid, copy-ready SPF record — no syntax to memorize.

1 · Who sends mail for you?

2 · Custom senders (optional)

3 · Policy for everyone else

Start with ~all while you confirm every sender is included, then tighten to -all.

Your SPF record

v=spf1 ~all

Add this as a TXT record on your root domain (host @). Only one SPF record is allowed per domain.

Rather skip DNS entirely? MailOptimal ships pre-warmed mailboxes with SPF, DKIM and DMARC already configured — ready to send on day one.

Get inbox-ready mailboxes
How it works

Generate a valid SPF record in three steps

1

Pick your senders

Select every service that sends mail for you — Google, Microsoft, SendGrid, Mailgun and more.

2

Choose a policy

Decide how strict to be on unauthorized senders: soft fail (~all) or hard fail (-all).

3

Copy your record

Paste the generated TXT record into your DNS, exactly as shown. One record, no guesswork.

Keep going

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DMARC Record GeneratorBuild a DMARC record plus a safe none → quarantine → reject rollout. Cold Email Setup CalculatorFind out exactly how many mailboxes and domains your volume needs. Cold Email ROI CalculatorProject meetings, customers and revenue from a planned send volume.
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FAQ

Common questions

Where do I add the SPF record?
In your DNS provider, add a TXT record on your root domain (the host is usually @) with the generated value. Changes can take up to an hour to propagate.
Why only one SPF record?
A domain can publish only one v=spf1 record. This generator merges every sender into a single record so you stay compliant.
What if my provider isn't listed?
Add it as a custom include: or ip4: mechanism. Check your provider's docs for the exact include domain they require.
Should I use -all or ~all?
Start with ~all (soft fail) while you confirm every sender is covered, then tighten to -all (hard fail) for maximum protection.
Or skip DNS entirely

Let Outboundry handle authentication

Generating the record is the easy part — Outboundry provisions mailboxes with SPF, DKIM and DMARC already live, pre-warmed and ready to send. No DNS edits, no waiting on propagation.

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