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InboxEagle

InboxEagle vs Mailgun

Mailgun's webhooks tell you what happened at the SMTP server. InboxEagle tells you what happened at the inbox.

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Feature Comparison

What Each Tool Actually Does

Feature
InboxEagle
Mailgun
Inbox Placement Testing
Advantage

Seed list tests across 20+ ISPs — see exact inbox, promotions, and spam placement per provider

Delivers mail at scale. Does not test inbox placement or provide per-ISP delivery data.

Sender Reputation Monitoring
Advantage

Real-time IP/domain reputation tracking with alerts within 2 minutes of drops

Bounce and complaint logs available via webhooks. No proactive reputation monitoring.

DMARC Aggregate Report Monitoring
Advantage

Full report parsing with policy progression guidance and alignment failure alerts

DMARC validation and enforcement available. No aggregate report parsing or monitoring.

AI-Powered Diagnosis
Advantage

AI analyzes deliverability signals and generates step-by-step remediation plans

No AI diagnosis. Troubleshooting relies on bounces, complaints, and manual log review.

Email Sending API

Monitoring only — integrates with your sending infrastructure

Advantage

Industry-leading email API with SDKs in 7 languages, webhooks, and advanced routing

Email Receiving / Parsing

Not included

Advantage

Built-in email receiving, parsing, and inbound routing for webhook-driven workflows

SMTP Relay

Monitoring only

Advantage

Full SMTP relay service for legacy systems and application integration

InboxEagle and Mailgun are complementary. Mailgun delivers at scale; InboxEagle ensures emails reach the inbox.

Monitor Where Your Mailgun Emails Actually Land

Add InboxEagle to your Mailgun workflow for seed list testing across 20+ ISPs, real-time reputation monitoring, and AI-powered diagnostics. Know your inbox placement before you lose revenue.

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FAQ

Frequently Asked Questions

Does Mailgun show inbox placement rate?
No. Mailgun's logs and webhooks tell you about bounces (undeliverable), complaints (spam reports), and delivery events, but they cannot tell you whether delivered mail landed in the inbox or the spam folder. That distinction requires seed list testing at ISPs — which Mailgun does not provide. InboxEagle shows exactly where your mail lands across 20+ providers.
Can I use InboxEagle with Mailgun?
Yes. InboxEagle monitors your sending domain and IP reputation independently of Mailgun. You continue using Mailgun to send and parse emails while InboxEagle tracks inbox placement and reputation across all major ISPs, alerting you to placement drops in real time.
What does InboxEagle add that Mailgun webhooks don't show?
Mailgun webhooks tell you what happened at the SMTP level — bounced, accepted, complained. InboxEagle tells you what happens after acceptance: did Gmail filter it to promotions? Did Outlook put it in spam? Did it reach the inbox at Yahoo? Mailgun's event stream cannot answer these questions because the receiving ISPs don't report placement decisions to senders.
Is InboxEagle a replacement for Mailgun?
No. Mailgun is your email infrastructure — you need it to send and receive mail at scale. InboxEagle is a monitoring and intelligence layer that shows you where your Mailgun-sent emails actually land and alerts you to sender reputation issues Mailgun's event logs cannot detect.
How do I know if my Mailgun setup has deliverability issues?
Mailgun shows you bounces and complaints. But most spam placement happens silently — your mail is accepted by the ISP but filtered by its content filters. InboxEagle's seed list testing shows this hidden filtering before it affects your open rates and revenue.