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Platform

One platform for every email your organization sends

SecureThread sits between your people, your AI assistants and the mailboxes you already use. Everything that leaves goes through the same checks, approvals and record.

Get startedAll 89 features
app.securethread.co/outbox
The outbox: every message with its status, from queued to accepted by the providerThe outbox: every message with its status, from queued to accepted by the provider
On a phone: the outbox: every message with its status, from queued to accepted by the providerOn a phone: the outbox: every message with its status, from queued to accepted by the provider

How it works

From draft to record, in six steps

  1. Step 1

    Connect

    Sign in with Google or Microsoft, or connect an SMTP or sending-API provider. Credentials are encrypted at rest.

  2. Step 2

    Compose

    Write from a template or from scratch, alone or with AI suggestions, and preview at desktop and phone widths.

  3. Step 3

    Check

    Sanitizing, the content policy, guardrails, routing rules and plan limits run on every send, from every path.

  4. Step 4

    Approve

    What needs a person waits for one: an approval bound to the exact draft, from the web, phone or desktop app.

  5. Step 5

    Send

    The provider takes the message through an outbox that retries with backoff and recovers from crashes.

  6. Step 6

    Record

    Status, provider reports, the audit log and analytics, all saying exactly what is known and nothing more.

Explore

Every part of the platform

Compose & templatesProfessional email, written in minutesLearn moreInbox & conversationsAnswer mail from every connected mailboxLearn moreCampaigns & schedulingCampaigns you can check before they goLearn moreApprovalsApprovals tied to the exact draftLearn moreAI agents & MCPAI assistants that work within your rulesLearn moreMailboxes & providersConnect the mailboxes your team usesLearn moreWorkflows & webhooksRepeatable sends under the same rules as a manual sendLearn moreAnalytics & deliverabilitySending figures that show their coverageLearn moreAdministrationControl who sends, and keep a record you can checkLearn more

Send your first approved email today

Connect a mailbox, pick a template and send with the checks and approvals your organization needs. No new email address, no new habits.

Get startedTalk to us
Send from the mailboxes you already useA person approves what needs approvalCredentials encrypted with AES-256-GCMEvery action in an append-only audit logAI assistants governed over MCP1,499 starter templatesHonest status: accepted is never called delivered