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Free SPF Record Generator Tool

Generate correct SPF records for your sending domains. Create properly formatted SPF records that authorize your mail servers and improve email authentication and deliverability.

DNS setup

Why SPF Records Matter for Email Authentication

SPF records are a fundamental part of email authentication. They tell receiving mail servers which servers are authorized to send emails on behalf of your domain, preventing spoofing and improving deliverability. Without proper SPF records, your emails are more likely to be rejected or marked as spam.

  • Prevent email spoofing by authorizing only legitimate mail servers
  • Improve authentication and pass SPF checks at receiving servers
  • Enhance deliverability by building trust with email providers
  • Enable DMARC policies which require SPF (and DKIM) to function properly
  • Protect domain reputation by preventing unauthorized use of your domain

How SPF Record Generation Works

Our SPF record generator simplifies the process of creating correct SPF records:

  1. Select your mail services: Choose which email services you use (Google Workspace, Outlook, custom SMTP, etc.)
  2. Specify IP addresses: Add any custom IP addresses or ranges that send emails for your domain
  3. Set policy: Choose how receiving servers should handle emails that fail SPF (softfail, hardfail, or neutral)
  4. Generate record: The tool creates the properly formatted SPF record string
  5. Add to DNS: Copy the generated record and add it as a TXT record in your domain's DNS settings

The generated SPF record follows RFC 7208 standards and includes all necessary mechanisms to properly authenticate your emails.

SPF Record Generator FAQs

Automate DNS Setup for All Your Domains

Get automatic SPF, DKIM, and DMARC record generation and management for all your sending domains with SuperSend. We handle DNS setup so you can focus on sending campaigns.