Why does SPF alone not prevent spoofing?
Because modern phishing relies on the visible sender. SPF authenticates the envelope, which is invisible to users.
This is why DKIM and DMARC are required for true protection.
Need personalized help?
Find out how this impacts your specific deliverability. Open an AI assistant with your question pre-loaded — just add your details and send.
Was this answer helpful?
Thanks for your feedback!