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✓ Vetted 6.9/10 TrustScore

✓ Mails.ai

Developer & API Tools

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

6.9/10 TrustScore

—Money-back guarantee verified

✓Free trial available

✓Reachable customer service[email protected]

✓No fine-print return conditions

✓No unrealistic claims detected

Vetted 2026-07-21 · How we vet →

Visit Mails.ai →

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. Independent Trustpilot reviewers rate Mails.ai 3.7/5 across 33 reviews — shown on this page as-is, good or bad.

Can I try Mails.ai before committing?

Yes — our vetting verified a free trial on Mails.ai's site, 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. During vetting we found [email protected] published on their site. 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.

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