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Head to head

SMTP vs Mails.ai — Agent Email

Same numbers we show everywhere else, lined up. Ratings come from users, the grade comes from our scanner, adoption comes from public registries.

SMTPio.github.ni-c/smtp-mcp
B
No reviews yet

MCP server that sends mail over SMTP, gated behind an allowlist and a human confirmation

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Mails.ai — Agent Emailio.github.RolloutsAI/mails-agent-email
C
No reviews yet

A real inbox for AI agents: send, receive and thread email, behind a prompt-injection firewall.

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The short version

Neither has been reviewed yet, so the comparison rests on the scan and the public usage numbers. The safety scan favours SMTP (83/100 against 55).

 SMTPMails.ai — Agent Email
User ratingNo reviews yetNo reviews yet
Safety gradeB83/100C55/100
AdoptionGrowingNew
GitHub stars0–
Downloads / week4450
Runs whereYour machine (local)Your machine (local)
Gateway-readyNoNo
Tools720
Write actions24
Price per callFreeFree
LicenceMITMIT
Last release2026-09-16—
CategoryEmailEmail

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