Folderly
Email deliverability platform combining a spam/inbox-placement test, ongoing deliverability monitoring, technical DNS setup, and spam-trigger content review for B2B outbound teams.
Check inbox placement
Measure where mail actually lands: inbox, promotions or spam, per provider.
4 listings. Catalog build: 2026-10-17.
Which tool fits this job?
Compare the tools below against the input you have, the output you need, and the systems you already use. This list includes tools with and without MCP support.
These matches come from recorded vendor claims. They are a shortlist to investigate, not a performance ranking. A tool's overall test label does not prove it was tested for this task.
Questions this page helps you explore
- Am i landing in spam
- Check inbox placement
- Test deliverability before i send
- Seed list placement test
Before you choose
- Check the stated capability against the exact result you need.
- Confirm coverage, freshness, limits, and total cost in the current vendor documentation.
- Test a small sample from your own workflow before committing.
- If an agent will do the work, check API or MCP access separately.
Listings are alphabetical. Open a record for dated sources and research notes.
Read this solution shortlist as JSONGlockApps
Email deliverability testing and monitoring platform - Inbox Insight sends a test email to real seed accounts across 60+ providers (Gmail, Yahoo, Outlook, Apple Mail, AOL, etc.) and reports exact inbox/spam/promotions placement, plus authentication diagnostics and blacklist monitoring.
MailGenius
Free/paid email deliverability and spam-testing tool - checks SPF/DKIM/DMARC authentication, scans blacklists, previews inbox rendering across Gmail/Outlook, and scores spam likelihood.
Super Send
Cold email sequencing platform providing dedicated, warmed sending infrastructure with adaptive pacing based on live deliverability signals.