SPF is an email authentication method that specifies which mail servers are allowed to send emails on behalf of your domain.
Why it matters:
- Prevents spammers from sending emails that appear to come from your domain.
- Helps improve deliverability and reduce spoofing.
- Implemented via a DNS TXT record.
Pro tip: Update SPF records anytime you add new email-sending services (like CRMs, marketing tools, or invoicing systems).
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