#Spf Record

Setting up SPF, DKIM, and DMARC is the single most important thing you can do to protect your sending domain and stay out of spam folders. I've set these up for hundreds of domains and it's rarely as complicated as people think — but the mistakes can tank your deliverability for months. This guide covers the exact DNS records you need, common pitfalls I see every week, and how to verify everything is working correctly using free tools.