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Proof of Origin for messages, channels and actions

Verify origin before you trust, pay or act.

SecureStamp helps confirm whether an email, domain, channel or agent belongs to a registered identity before you click, reply, share data, execute a digital money operation or let a tool act.

Email, Signal and MCP are three entry surfaces for the same trust layer: Proof of Origin, Proof of Intent and Action Verdict before action.

Origin before content
Official channel + registered identity
Signals before money moves

See available integrations ->

inbox
b

billing@securestamp-signed.com

09:41Verified
n

news@verolux-store.com

09:38Probable
b

billing@acme-corp-urgent.com

09:26Review
n

noreply@secure-account-verify.top

09:12High risk
Proof of Origin for messages, channels and actionsSecureStamp

The problem

AI made fake messages look real.

We used to look for visible mistakes: broken logos, strange domains or suspicious wording. Today a scam can be written by AI, sound perfect and arrive through email, WhatsApp, Telegram, QR, support, invoices, tickets or workflows. The problem is no longer only analyzing the message: it is verifying origin before action.

Before, the risk was a click. Now it is also that an agent executes an action.

Three surfaces

Three surfaces. One trust signal.

SecureStamp starts where sensitive decisions are made today: email, official channels and agents.

Email Proof

Verify senders, domains, headers and links before opening, replying, downloading files or paying.

WhatsApp + Telegram Signal

Confirm whether a number, bot, handle, link or channel belongs to the official perimeter declared by an organization.

MCP / Agent Trust

Let agents and systems query trust checks before tool calls, APIs, payments or workflows.

The logic is the same across channels: verify origin, channel and declared intent before a communication becomes an action.

How it works

One trust check before action.

01

An origin is declared

An organization registers domains, emails, channels, bots, phones, links or official contact points.

02

SecureStamp checks signals

The system reviews origin, channel, technical signals, registered status and declared intent.

03

You get a clear verdict

Before clicking, replying, paying, sharing data or allowing an agent to act, SecureStamp shows a trust signal.

Official channels

Signal for WhatsApp, Telegram and official channels.

Not everything starts in an email. A sensitive message can arrive from a number, bot, group, link, QR code or support channel. SecureStamp Signal helps verify whether that channel belongs to the official perimeter declared by an organization.

Signal verifies membership in the official perimeter. It does not guarantee that every message is true.

Agents and MCP

Ready for agents and MCP workflows.

An employee can make one mistaken click. An agent can make mistakes at scale. SecureStamp is designed so humans, systems and agents can consult trust signals before opening links, processing invoices, replying to messages, validating channels or executing workflows.

Trust checks before sensitive actions.
Verification of domain, channel and identity.
Signals for humans, plugins and agents.
MCP-ready for AI-agent integrations.
Intelligent friction before payments, credentials and tool calls.
See technical vision

Trust checks before the tool call

MCP-ready

Protocol, SSF, Action Verdict and MCP Server details live on SecureStamp.org. SecureStamp.online shows the product: a practical signal before humans, systems or agents act.

Live trust check

Verify email or domain

Paste an email, domain, channel or payment link. You get a clear origin signal first; technical details stay available when needed.

Available integrations

Integrations where work starts.

Start with email and webmail. Extend toward workflows, APIs and agent checks as your operation matures.

Available

Chrome Webmail

Gmail and webmail

Chrome extension for webmail. Verifies emails in Gmail and supported providers, shows trust signals in the inbox, and lets you send messages with a verified identity stamp.

Downloadv0.6.6
Coming soon

Gmail Workspace Add-on

Workspace Marketplace

Native Gmail add-on for Google Workspace. Designed for Marketplace install and admin deployment, it runs in the Gmail side panel without requiring a browser extension.

Available

Outlook 365

Microsoft 365

Add-in for Outlook 365, Outlook Desktop (2016+) and Outlook Web App. Verifies senders in real-time and lets you insert an identity stamp in outgoing emails. Mass deployment available for organizations.

Available

Outlook Desktop

Windows / Mac

Compatible with Exchange Server 2013+ and Microsoft 365. IT admins can deploy the add-in to the entire organization from Exchange PowerShell or M365 Admin Center in a single command.

Coming soon

Safari Extension

macOS / iOS

Safari Web Extension that verifies any site instantly. Auto-detects the active domain when you open the popup. Compatible with Safari on iPhone, iPad and Mac (Safari 15.4+).

Coming soon

Apple Mail

macOS / iOS

Native plugin for Apple Mail on macOS (Monterey+). Shows the SecureStamp trust badge in every email header. Developer Preview — requires Xcode.

Coming soon

Firefox

Mozilla Firefox

Firefox extension that works in Gmail, Outlook Web and other webmail clients. Compatible with Firefox on Windows, macOS and Linux.

Coming soon

Microsoft Edge

Microsoft Edge

Chromium-based Edge extension. Works in compatible webmail and Outlook Web. Available in the Microsoft Edge Add-ons Store.

For companies

Turn your official channels into verifiable signals.

Register domains, emails, phones, bots and channels so customers, vendors, employees, systems and agents can recognize legitimate communications before replying, paying or sharing information.

  • Official domains and emails.
  • WhatsApp, Telegram, bots and declared channels.
  • Verifiable signals for customers and vendors.
  • Trust checks for digital money operations.
  • Foundation for MCP-ready agents and workflows.
  • Less confusion around AI-generated impersonation.
Register my company
01

Register official domains, emails and channels.

Declare the perimeter your audience should recognize: domains, senders, phones, bots, links and public trust channels.

02

Publish verifiable trust signals.

SecureStamp creates references that customers, vendors, plugins, APIs and agents can query before action.

03

Reduce confusion around AI impersonation.

Give people and systems a practical signal before payment requests, vendor changes and sensitive workflows.

The stamp and the status

The stamp is visual. Verification happens in real time.

Stamp

Cert. Visual

Stamps add a visual and collectible layer to registered identities. But trust does not depend on an image: it depends on the token, registry and live verification.

Status indicator

The plugin or checker shows a simple state: verified, probable, review or high risk. The state is queried in real time against SecureStamp signals.

Live backend

Plugin
→ Backend
→ Estado real

The plugin, checker and backend query the real state of the origin before showing a signal.

Trust states

A simple signal before action.

SecureStamp keeps the user-facing result simple: verified, probable, review or high risk. Technical details remain available when needed.

Verified98/100

billing@securestamp-signed.com

Origin registered and validated by SecureStamp.

spf passdkim passdmarc pass
Probable84/100

news@verolux-store.com

Technical signals look correct, but there is no verified stamp.

spf passdkim unknowndmarc neutral
Review38/100

billing@acme-corp-urgent.com

Signals deserve review before acting.

spf softfaildkim passdmarc none
High risk4/100

noreply@secure-account-verify.top

Possible impersonation, suspicious domain or risky pattern.

spf faildkim faildmarc fail

Visual layer

Stamps are secondary to verification.

Artwork can make registered identities easier to recognize, but operational trust always comes from the live status returned by SecureStamp.

Explore collections at SecureStamp.store →

Pricing

Start free. Register your company when trust becomes operational.

Enterprise is loaded from the backend.

Frequently asked questions

What is SecureStamp?

SecureStamp is a trust layer that helps verify origin, channel and declared intent before a communication becomes an action.

Does it only work with email?

No. Email is one of the first surfaces, but SecureStamp is designed to verify origin, channel and declared intent across multiple points: emails, domains, WhatsApp, Telegram, QR codes, links, official channels, internal systems and agents.

What is SecureStamp Signal?

Signal is the layer for verifying whether a number, bot, handle, link or channel belongs to the official perimeter declared by an organization.

How does it relate to WhatsApp and Telegram?

SecureStamp Signal can check WhatsApp and Telegram channels to see whether they belong to the declared official perimeter. That signal helps before replying, paying or sharing information.

How does this relate to agents and MCP?

SecureStamp is evolving toward trust checks for agents. The idea is that an agent can query trust signals before using tools, processing information, invoking APIs or executing sensitive actions. The technical specification lives on SecureStamp.org.

Does SecureStamp detect fraud?

SecureStamp does not claim to detect every fraud attempt. It helps reduce risk by checking registered origin, channel, technical signals and declared intent before action.

What does verified origin mean?

It means the origin is associated with a registered identity and validated through SecureStamp signals. It does not mean every requested action should automatically be executed.

Does SecureStamp read my emails?

Risk analysis can run locally on the device. Private message content does not need to leave the device to produce a trust signal.

SecureStamp — Proof of Origin for emails, channels and agents