Why SPF Matters

Think of SPF as your first line of defense against spoofing and phishing. If some scammer tries to send an email pretending to be you, a proper SPF record will flag that imposter and help ISPs block it. This protects your brand and prevents spammer shenanigans from trashing your sender reputation. For legitimate emails, SPF passes give you a deliverability boost. Mailbox providers trust your messages more when they can verify the sending source. On the flip side, failing SPF can send your email straight to spam or outright get it rejected by strict servers.

If you’re using any third-party email service (newsletters, CRM, sales automation), you must include their sending servers in your SPF record. Forgot to update SPF after adding a new email tool? Don’t be surprised when your deliverability dips. Your emails are essentially showing up without being on the guest list.