Blog
Email Deliverability Guides & Best Practices
Guides, best practices, and intelligence from the InboxEagle team to help you land in the inbox every time.
E-commerce9 min
What Should an Email Deliverability Dashboard Show? (2026)
Most email dashboards show opens, clicks, and bounces. A deliverability dashboard shows something different: where your email actually landed, why, and whether your sending program is getting healthier or worse.
Analytics9 min
Seed List Testing vs. Real-World Inbox Monitoring: What's the Difference? (2026)
Seed list testing and real-world inbox monitoring both measure inbox placement, but they answer different questions. Here's how each works, when to use which, and why InboxEagle gives you both.
Authentication9 min
What Is DMARC? Plain-English Guide for eCommerce Senders
DMARC is a setting on your domain that tells Gmail and Outlook what to do when someone sends email pretending to be you. Here's what it means, why it's now required, and how to know if yours is working.
Analytics10 min
How to Check If Your Emails Are Landing in Spam
Your ESP says delivered. Delivered doesn't mean inbox. Four ways to find out where your campaigns actually landed — from a free 20-minute manual check to continuous placement monitoring.
Authentication8 min
How to Set Up a Subdomain Strategy for Email Sending
Three decisions before you touch DNS: which subdomain, whether to split marketing from transactional, and how DMARC cascades. Complete setup guide.
Klaviyo11 min
Apple Mail Privacy Protection: The Real Deliverability Cost
Apple MPP doesn't just inflate open rates — it corrupts Klaviyo engagement segments, breaks win-back flows, and quietly damages domain reputation.
E-commerce13 min
Black Friday Email Deliverability: The Complete BFCM Preparation Guide (2026)
BFCM is the highest-risk sending period of the year. Here's the 8-week preparation timeline, Klaviyo-specific settings, real-time monitoring workflow, and post-BFCM recovery plan to protect inbox placement when it matters most.
Klaviyo14 min
Klaviyo Deliverability Hub: What It Misses
Klaviyo's Deliverability Hub is not an inbox placement tool. Here's what each panel actually measures and the blind spots you need to cover.
Analytics6 min
Does Email Link Density Hurt Deliverability? 192K Emails Say the Opposite
Does email link density hurt inbox placement? InboxEagle analyzed 192,651 emails by actual link count. The result flips the conventional rule on its head.
E-commerce8 min
IP Reputation vs. Domain Reputation: Which Matters More in 2026?
IP reputation vs. domain reputation, Gmail, Outlook, and Yahoo weight them differently. Here's exactly what each provider prioritizes and where to focus your effort in 2026.
E-commerce4 min
What Is Email Deliverability? A Plain-English Guide
Email deliverability is whether your emails reach the inbox, not just whether they were sent. Here's what it means, why it matters for eCommerce revenue, and what actually affects it.
Analytics7 min
Does Your Email Image-to-Text Ratio Actually Cause Spam?
Does email image-to-text ratio really cause spam? InboxEagle analyzed 774,828 emails. Image-heavy emails outperform balanced content on inbox placement.