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Postfleet

Email infrastructure for AI agents. Inbound is parsed, classified, extracted to your schema — and screened for prompt injection — before your agent reads a word.

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Overview

AI summary

Postfleet aims to provide a secure email infrastructure for AI agents, focusing on parsing, classifying, and sanitizing inbound emails to prevent prompt injection risks before the agent processes the content.

Sources behind this listingSee source links, recorded dates and owner corrections.

Observed facts come from public pages. Founder-edited facts are supplied by the verified owner. AI-inferred facts are model interpretations; derived facts are calculated from other data. A source link lets you check the current page. It does not guarantee the fact is still current.

Dates show when a record was saved. Some older records use the listing’s update date; they are not proof of a fresh check. Missing source records are shown explicitly.

TaglineEmail infrastructure for AI agents. Inbound is parsed, classified, extracted to your schema — and screened for prompt injection — before your agent reads a word.
ObservedRecorded Source: postfleet.ai
DescriptionEmail infrastructure for AI agents. Inbound is parsed, classified, extracted to your schema — and screened for prompt injection — before your agent reads a word.
ObservedRecorded Source: postfleet.ai
Free planYes
ObservedRecorded Source: postfleet.ai
Free trialYes
ObservedRecorded Source: postfleet.ai
Pricing modelfreemium
AI-inferredRecorded Source: postfleet.ai
IntegrationsSlack
ObservedRecorded Source: postfleet.ai
Plan: FreeFree
AI-inferredRecorded Source: postfleet.ai
Plan: Starter$7/mo
AI-inferredRecorded Source: postfleet.ai
Plan: Pro$20/mo
AI-inferredRecorded Source: postfleet.ai
Plan: ScaleCustom
AI-inferredRecorded Source: postfleet.ai
SummaryPostfleet aims to provide a secure email infrastructure for AI agents, focusing on parsing, classifying, and sanitizing inbound emails to prevent prompt injection risks before t...
AI-inferredRecorded Source link unavailable

Pricing

Pricing recorded 3 October 2026Pricing page
Free
Free
mailboxes
3
sends per month
3000
comprehended messages
100
  • 100 comprehended messages / mo
  • 3 mailboxes
  • Unlimited hidden-content sanitization
Starter
$7/mo
Flat
mailboxes
5
sends per month
5000
comprehended messages
250
  • 250 comprehended messages / mo
  • 5 mailboxes
  • Email support
Pro
$20/mo
Flat
mailboxes
10
sends per month
10000
comprehended messages
1500
  • 1,500 comprehended messages / mo
  • 10 mailboxes
  • Custom sending domains
Scale
Custom
mailboxes
150
sends per month
150000
comprehended messages
25000
  • 25,000+ comprehended messages / mo
  • 150 mailboxes
  • Priority support + shared Slack
Enterprise tierStartup discountFree tier: 100 comprehended messages / mo, 3 mailboxes

Who Is It For

Best for

Teams and developers looking to integrate AI agents with a reliable email processing system that emphasizes security and trust.

–Not for

Users seeking a straightforward email service without AI integration or those who do not require advanced security features.

Strengths & Weaknesses

Biggest strength

The tool offers strong security measures, including fail-closed mechanisms for malware and spam, ensuring that only sanitized and verified emails reach the agent.

Biggest weakness

Pricing details are not visible, which may limit transparency for potential users evaluating cost (AI-inferred; may be outdated. Founders can correct this).

Classification

Likely competitors
ZapierIntegromatMailgunSendGrid

Alternatives to Postfleet

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Community

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How we sourced this: Observed fields () were crawled from https://postfleet.ai/ when recorded. Source links and dates are available above. AI-inferred fields () were generated by gpt-4o-mini and are always labelled, never presented as measured fact. Last updated: 3 October 2026. Site availability checked: 2 October 2026. Is this your tool? Claim it to edit and get a do-follow badge.