SPF Generator - Free Online IT Tool

🛠️ SPF Generator

Create a custom SPF record for your domain to authorize mail servers.

ℹ️ About SPF Generator

The SPF Generator is a configuration utility that helps you build a properly formatted DNS TXT record for email authorization. As spam and phishing become increasingly sophisticated, mail servers rely on Sender Policy Framework (SPF) to verify that incoming mail from your domain is actually coming from a server you trust.

This tool allows you to list your own server IP addresses and authorized third-party services (like Mailchimp, Zendesk, or Google Workspace). It then combines these into a single, valid SPF string that you can publish in your DNS. Using a correct SPF record is one of the most effective ways to improve your domain's sender reputation and ensure your legitimate emails don't end up in your recipients' spam folders.

📖 How to use SPF Generator

1. Enter your domain name.
2. List any static IP addresses of your own mail servers in the 'Authorized IPs' field.
3. List the domains of third-party mail services you use in the 'Includes' field.
4. Click 'Run Tool' to generate the record string.
5. Add the resulting text as a new TXT record in your domain's DNS settings.

❓ Frequently Asked Questions

What happens if I forget a service in my SPF record?

Emails sent from that service may be flagged as spam or rejected because they aren't on your 'authorized' list.

What is the difference between ~all and -all?

<code>~all</code> (Soft Fail) is recommended while testing as it marks mail as suspicious but doesn't reject it. <code>-all</code> (Hard Fail) is more secure and instructs servers to reject unauthorized mail entirely.