Gmail & Google Postmaster Guides
Understand Gmail's spam filters, monitor your domain reputation, and take action when your inbox placement drops.
9 Best Email Deliverability Tools, Tested for Ecommerce (2026)
We tested email deliverability tools hands-on across placement testing, monitoring, warmup, and authentication, then ranked them for ecommerce senders on Klaviyo, Mailchimp, and SFMC. Here's what actually works, including where our own tool falls short.
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.
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.
How to Check If Your Emails Are Landing in Spam
Your ESP says delivered. But delivered doesn't mean inbox. Here's how to see where your campaigns actually landed across Gmail, Yahoo, and AOL.
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.
Klaviyo + InboxEagle: How to Monitor Every Flow and Campaign
The Klaviyo InboxEagle integration gives you actual inbox placement data alongside Klaviyo's engagement metrics. This guide covers Private API Key setup, webhook configuration, analytics dashboards, and the monitoring workflow.
How to Monitor Your Email Deliverability in Real Time
A practical guide to email deliverability monitoring in real time — the signals that matter, the tools that surface them, and how to act before a problem becomes a crisis.
Gmail Spam Rate Thresholds: What 0.10% and 0.30% Actually Mean for You
Gmail enforces two spam rate thresholds that most senders misread. Here's exactly what 0.10% and 0.30% mean, how they're measured, and what to do before you breach either one.
Data Study: How Spam Rates Affect Your Gmail Promotions Placement
We bucketed 671,329 emails by spam complaint rate and tracked where they landed in Gmail. The findings reveal a hard cliff — and show exactly what it takes to protect your sender reputation.
Gmail Deliverability Benchmarks for Ecommerce Brands: Q1 2026 Data
InboxEagle monitored 721,351 emails to Gmail in Q1 2026. Here are the real gmail deliverability benchmarks — spam rates, tab placement, and what separates healthy programs from at-risk ones.
BIMI in 2026: Google's CMC Makes Brand Logos Affordable for Everyone
Google launched a Common Mark Certificate option for BIMI in 2025 — no trademark required. Here's how BIMI works, what's changed, and whether it's worth implementing for your email program.
Where Your Email Lands: Inbox, Promotions, or Spam?
Most senders track delivered vs. spam. But Gmail has a third folder — the Promotions tab — that quietly buries marketing emails just as effectively. Here's what determines where your email lands, and how to see all three outcomes before you send.
How Email Spam Filters Work: What ISPs Check Before Delivering Your Email
A technical but accessible explanation of how Gmail, Outlook, and Yahoo decide whether your email reaches the inbox or the spam folder.
Google Postmaster Tools v2: The Complete Setup and Interpretation Guide
How to set up Google Postmaster Tools v2, understand the new Compliance Dashboard, and what replaced the retired reputation scores.