InboxEagle
Email deliverability monitoring with seed-list inbox placement, DMARC/SPF/DKIM alerts and blocklist guard.
From $39/mo
Visit InboxEagle (opens in a new tab)
Ask AI about InboxEagle: ChatGPT (opens in a new tab) Claude (opens in a new tab) Grok (opens in a new tab)
Bottom line
InboxEagle monitors inbox placement, authentication, and blocklists from $39/mo flat, any list size, with 10 seed inboxes included on Email Deliverability.
Stands out for: The $39/mo Email Deliverability SKU is flat regardless of list size, and bundles Google Postmaster, Klaviyo campaign sync, SPF/DKIM/DMARC alerts, and an AI agent that opens incidents when placement breaks.
Watch out for: Ten seeds are included. Extra seed-list panels start at $49/mo for 25 seeds. DMARC aggregate processing and Audience Selection are separate SKUs. Consulting retainers start at $499/mo.
Overview
InboxEagle is email deliverability monitoring: seed-list placement at Gmail, Yahoo, and AOL, Google Postmaster, SPF/DKIM/DMARC and MX change alerts, blocklist watch, and AI incident agents. It is not a mailbox host or a sequencer.
Email Deliverability is $39/mo flat. Seed List Testing is sold by seed count from $49/mo (25 seeds) to $549/mo (500). DMARC Processing starts at $20/mo (2,000 messages) up to $499/mo (1,000,000). Audience Selection (AI segments on your Klaviyo list) starts from $39/mo. Consulting is Growing $499, Established $999, Enterprise $1,999 per month, month to month.
Who it's for
Best for
- Klaviyo senders who want inbox placement and DNS alerts without a consultant
- Agencies watching several brands from one command center
- Teams that need seed-list folder movement beyond the included 10 inboxes
- High-volume senders who also want a monthly deliverability retainer
Not ideal for
- Cold-email inbox warmup shops (this is monitoring, not infrastructure or warmup)
- Senders who need 200+ seed tests in the $39 SKU. That is a separate seed-list product
Key features
Inbox placement monitoring. Seed-list tests across major ISPs (Gmail, Yahoo, AOL and more) show inbox vs promotions vs spam within minutes, plus ongoing Postmaster-style signals.
Authentication & blocklists. SPF, DKIM and DMARC monitoring with alerts, plus blocklist and domain reputation tracking.
AI incident agents. Markets agents that open incidents on placement or auth breaks and close them when signals recover.
ESP fit. Native Klaviyo integration marketed; Mailchimp, SendGrid, HubSpot, Braze, Salesforce Marketing Cloud and Iterable listed for stack connect.
AI features
| What the AI does | Plan |
|---|---|
| AI incident agents that watch reputation, IP changes, and placement breaks | Email Deliverability |
| AI segments for audience selection on Klaviyo lists | Audience Selection Add-on |
Only features named in the vendor's own documentation. Anything sold separately is marked as an add-on.
Pricing
| Plan | Price | What you get |
|---|---|---|
| Email Deliverability | $39/mo | Flat, any list size, 10 seed inboxes |
| Seed List Testing | From $49/mo | 25 seeds |
| DMARC Processing | From $20/mo | |
| Consulting (Growing) | $499/mo | |
| Consulting (Established) | $999/mo | |
| Consulting (Enterprise) | $1,999/mo |
Email Deliverability is $39/mo flat, any list size, with 10 seed inboxes, Postmaster, Klaviyo sync, and authentication alerts. Seed List Testing starts at $49/mo for 25 seeds. DMARC Processing starts at $20/mo. Audience Selection starts from $39/mo. Consulting retainers: Growing $499, Established $999, Enterprise $1,999 per month. Confirm current terms on the vendor site.
Checked 19 Sep 2026. Vendors change prices without notice.
Is InboxEagle expensive?
InboxEagle starts at $39/mo. We list 29 deliverability tools in total. 3 have a free tier, and those with a public price typically start around $15 a month.
- 0 quote-based
- 3 free tier
- 28 public price
Worked out automatically from every deliverability listing, so it updates as the directory changes.
Pros and cons
Pros
- Email Deliverability is $39/mo flat, any list size, with 10 seeds
- Klaviyo plus Google Postmaster on the monitoring SKU
- AI incident agents open and close placement/authentication issues
Cons
- Only 10 seeds in the $39 plan. Larger panels are extra
- DMARC volume processing and audience AI are separate subscriptions
- No published product trial on monitoring. Consulting gets a 30-minute scoping call
Integrations
Klaviyo Google Postmaster Tools
How InboxEagle compares
See all InboxEagle alternatives, with what each one does differently and a head to head for every pairing.
| Tool | Free tier | From | MCP | API | Compare |
|---|---|---|---|---|---|
| | – | $39/mo | – | – | |
| | ✓ | $79/mo | – | – | Compare |
| | – | $20/mo | – | – | Compare |
| | – | $15/mo | – | – | Compare |
| | – | $47/mo | ✓ | ✓ | Compare |
$79/mo Free tier
Inbox placement testing from $79/mo with a free tier. More of a tester than a Klaviyo-native monitor.
$20/mo
Deliverability testing and warmup aimed at cold email, not Klaviyo lifecycle programs.
$15/mo
Mailbox warmup rather than seed-list monitoring and DMARC alerts.
$47/mo MCP API
Cold-email sequencer with warmup and placement tools. A sender, not a monitoring overlay.