✓ Mails.ai
Email Infrastructure for AI Agents
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 →
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, or get my money back?
Every company in our directory must offer a free trial or, at minimum, a 7-day money-back guarantee from the day your product arrives — with no fine-print return conditions like "unopened" or "original packaging". Mails.ai met this requirement 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.
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.