SPF Creator For...
See how SPF record generation helps different teams set up email authentication.
Every email setup is different. Whether you're configuring Google Workspace, managing transactional email through SendGrid, or running your own mail server, these guides show you exactly which SPF includes and mechanisms you need — and how to combine them without hitting the 10 DNS lookup limit.
SPF for Developers
Understand SPF from a developer perspective. Learn how to set up SPF for application email, use subdomains for different environments, automate DNS management, and test SPF records.
Read moreSPF for Email Marketers
Set up SPF for Mailchimp, Klaviyo, Constant Contact, HubSpot, and Brevo. Learn why SPF matters for deliverability and how to combine marketing platforms with your primary email.
Read moreSPF for Google Workspace: Complete Setup Guide
Set up SPF for Google Workspace correctly. Learn Google's required SPF include, how to combine it with other services, and avoid common DNS mistakes.
Read moreSPF for Multiple Email Services
Learn how to combine multiple email services in one SPF record. Manage DNS lookup limits, prioritize providers, and avoid breaking your email authentication.
Read moreSPF for Microsoft 365: Complete Setup Guide
Set up SPF for Microsoft 365 and Exchange Online. Learn the correct SPF include for Outlook, how to combine with other services, and avoid common mistakes.
Read moreSPF for Salesforce: Email Authentication Setup
Set up SPF for Salesforce email sending. Configure SPF records for Salesforce CRM, Marketing Cloud, and Pardot email authentication.
Read moreSPF for Self-Hosted Mail Servers
Set up SPF for self-hosted mail servers like Postfix, Exim, or hMailServer. Learn when to use ip4, ip6, a, and mx mechanisms and how to combine with hosted services.
Read moreSPF for Shopify: Email Authentication Setup
Set up SPF for Shopify stores. Configure email authentication for Shopify notifications, order confirmations, and third-party email services.
Read moreSPF for Transactional Email Services
Set up SPF for SendGrid, Amazon SES, Mailgun, Postmark, and SparkPost. Get the correct include values and learn how to combine transactional services with your primary email.
Read moreSPF for WordPress: Email Authentication Guide
Set up SPF for WordPress sites. Configure email authentication for contact forms, WooCommerce emails, and WordPress notification delivery.
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