Elevate Your Email Performance
with Inbox Insight
Try Our Free Spam Checker
get the results of your spam test
on the screen.
Trusted by Clients Worldwide



TESTS
TESTS
Why Use Our Email Inbox Checker?










Supported ESPs: Gmail, Google Workspace, Amazon, Mailgun, Sendgrid, Outlook, Mailjet, Klaviyo, Sparkpost



Plus, our API 2.0 supports project integration, allowing you to manage your clients by projects and folders conveniently, ensuring streamlined operations. Create tests with requests and receive detailed information in comprehensive ready-made files or reports via link. Learn more with our API Documentation.
With these benefits, we're dedicated to optimizing inbox placement and boosting engagement.
Empower Testing with Advanced Seed Lists
Enhance testing accuracy with sharded distribution for optimal load balancing.
Enhanced Insights and User-Friendly Dashboard
Access a year's worth of insights effortlessly through our upgraded dashboard. Make informed decisions with ease.
Streamlined Autotest Management for Flexibility
Effortlessly adapt your testing strategy. Swap autotest letters and retain comprehensive statistics for all emails.
Custom Notes and Timely Alerts for Proactive Monitoring
Stay informed with customizable schedulers and alerts. Monitor email metrics proactively for peak performance.
Tailored Email Delivery for Smooth Reach
Revolutionary throttling logic ensures effortless delivery in high-volume campaigns.
Seamless MailReader Services for Stability
Optimized scaling for error-free testing and comprehensive autotest schedule.
Inbox Insight is your beacon towards mastering email deliverability.
Step 1: Access Manual Test
Step 2: Select Filters and Providers
Step 3: Folder Selection and Personalization
Step 4: Copy and Paste ID String
Step 5: Send to Seed List
Step 6: View the Comprehensive Report
Step by step, Inbox Insight empowers unparalleled email deliverability.
Elevate campaigns with a tool that reflects your expertise and innovation.
Frequently Asked Questions
How Can GlockApps Help Me Emails into Inboxes?
Can I have a free trial?
How Can I Access More Inbox Insight Tests for a Deeper Trial?
I'm Unsure Which Subscription Plan to Choose. What Should I Do?
How Can GlockApps Help Fix Spam Placement Issues?
Can I Automate Tests?
Can I Use One GlockApps Subscription for Multiple Domains and Mailboxes?