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Email security, explained in plain English
DMARC reports land in your inbox as unreadable XML. Most people ignore them — until emails start bouncing or landing in spam. These guides cover everything you need to know about email authentication, plain and simple.
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Bulk Sender Requirements 2026: The Complete Google, Microsoft, and Yahoo Compliance Guide
Meet bulk sender requirements for Google, Microsoft, and Yahoo in 2026. Complete compliance guide covering SPF, DKIM, DMARC, one-click unsubscribe, and spam rate thresholds.
Read articleDMARC for Email Marketers: How to Stop Your Campaigns from Landing in Spam
Learn why your marketing emails land in spam and how DMARC authentication fixes it. This guide shows email marketers how to improve deliverability and reach the inbox in 2026.
Read articleIs Your Domain Being Spoofed? How to Detect Email Impersonation Attacks
Learn how to detect if your domain is being spoofed in email attacks. Discover warning signs in DMARC reports, investigate unknown senders, and stop impersonation before it damages your brand.
Read articleThe DMARC Enforcement Journey: How to Move from p=none to p=reject Without Breaking Your Email
Learn how to safely move your DMARC policy from p=none to p=reject. This step-by-step guide covers timelines, common mistakes, and how to avoid breaking legitimate email during enforcement.
Read articleHow to Read DMARC Reports (Without Losing Your Mind)
Learn how to read and understand DMARC reports. This practical guide breaks down aggregate XML reports, explains key fields, and shows you how to identify authentication problems.
Read articleBIMI: How to Display Your Brand Logo in Email Inboxes (Complete 2026 Guide)
Learn how to set up BIMI and display your brand logo in Gmail, Yahoo, and Apple Mail inboxes. Complete guide covering SVG requirements, VMC vs CMC certificates, and troubleshooting.
Read articleWhy Your SPF Record Is Breaking Email Authentication (And How to Fix It)
Why SPF records fail — from the 10 DNS lookup limit to duplicate records and upstream provider changes — and exactly how to fix each problem.
Read articleWhat Is DMARC? The Complete Guide to Email Authentication in 2026
Learn what DMARC is and how it protects your domain from email spoofing. This complete guide covers SPF, DKIM, DMARC policies, and how to read those confusing XML reports.
Read articleCheck your domain for free
Look up your DMARC, SPF, DKIM, BIMI, and MX records, explained in plain English.
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