✓ Mails.ai
Email infrastructure for AI agents, with built-in prompt-injection scanning and sender reputation scoring.
Why we recommend them
Mails.ai gives AI agents an email address and API to send and receive mail, structuring every inbound message into a reply event with an injection score, sender reputation, and optional intent/entity classification. Built for developers building autonomous agents that need to handle email safely, with SDKs for TypeScript, Python, and MCP. Currently in closed beta, with cohort 1 opening Q3 2026.
✓Usage-based pricing (per send/inbound/classify event) coming soon; monthly tiers available today at Free $0, Pro $20, Scale $99
✓Six-category prompt-injection scanner auto-quarantines messages above a 0.95 risk score
✓Currently closed beta — sign up to reserve a seat for cohort 1 (Q3 2026)
What we actually verified
8.5/10 TrustScore—Money-back guarantee verified
✓Free trial available“…turn it on and we'll do the extraction once for you. On the Free tier, you hit a hard cap at 3,000 events per month (send + inbou”
✓Reachable customer service“…key Follow the wire ↓ inbound · arriving on the wire from: [email protected] to: [email protected] subject: Re: demo on Tuesday? ”
✓No fine-print return conditions
✓No unrealistic claims detected
Vetted 2026-07-21 · How we vet →
Straight referral — we earn nothing from this link.
What real customers say
3.7/5 from 33 reviews on Trustpilot
“The UI is a bit clunky but price is far more reasonable than the other alternatives I found. Been doing a decent job with it so far. Useful.”
Independent review excerpts via Trustpilot — refreshed automatically · last checked 2026-08-27. Ratings are shown as-is, good or bad.
Common questions about Mails.ai
Is Mails.ai legit and safe to buy from?
Yes — Mails.ai passed the WhatiseBrokering.com vetting checklist (try before you buy, no fine-print returns, a real way to reach them, realistic claims only) before being listed. We remove companies that stop meeting the standard.
Can I try Mails.ai before committing?
Yes — our vetting verified that Mails.ai offers a free trial, so you can try before you pay. No fine-print traps were detected at the time of vetting.
How do I reach Mails.ai if something goes wrong?
Mails.ai publishes a real customer-service contact (phone or email) — that's a listing requirement. If you can't get a response, tell us at [email protected] and we'll review their listing.
Why is Mails.ai listed on WhatiseBrokering.com?
We discovered and vetted Mails.ai ourselves. They don't pay us anything — they're listed purely because they meet the standard.
Reader reviews
No reader reviews yet — used Mails.ai? Be the first.
Leave a review →
Had a bad experience with Mails.ai?
This directory only works if every listing keeps earning its place. If Mails.ai didn't live up to the standard — refused a return, unreachable support, misleading claims, anything — tell us. We'll re-review them against our vetting criteria, and if they're not abiding by our rules, we remove the listing. No exceptions, no pay-to-stay.
Report your experience →
Are you Mails.ai? Show customers you're vetted
You earned this listing — put the badge on your website (the footer works great). It links straight back to this page so shoppers can verify the approval is real. Free for every listed company, including free listings.
