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MailBridge — Inbox, Drafts, Templates, Campaigns, Verification & Secure App Email | Velaxe

MailBridge

Configure a signed Email Hub webhook

Create a webhook destination and let the dispatch worker deliver signed HTTPS payloads with durable state.

10 min Advanced Workspace Administrator, Integration Engineer Updated Aug 23, 2026
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Overview

Create a webhook destination and let the dispatch worker deliver signed HTTPS payloads with durable state.

Prerequisites

None.

Permissions required

settings.view settings.edit

Steps (4)

Estimated: 10 min
  1. 1

    Choose the receiving endpoint

    Integration Engineer 2 min Back to top

    Prepare the HTTPS destination that will receive Email Hub webhook payloads.

    Tips

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    Validation

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    Success criteria

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  2. 2

    Configure the webhook

    Workspace Administrator 3 min Back to top

    Store webhook configuration and signing material through Email Hub administration.

    Tips

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    Validation

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    Success criteria

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  3. 3

    Generate delivery work

    Workspace Administrator 2 min Back to top

    Allow the selected Email Hub workflow/event to create durable webhook delivery rows.

    Tips

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    Validation

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    Success criteria

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  4. 4

    Verify dispatch

    Integration Engineer 3 min Back to top

    Receive the signed payload, verify it, and inspect Email Hub delivery status/attempt metadata.

    Tips

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    Validation

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    Success criteria

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About this guide

MailBridge brings connected mailbox operations into a Velaxe workspace. Link standards-based IMAP/SMTP accounts, synchronize folders and messages, work with message bodies and attachments, compose new mail, maintain durable drafts, and manage reusable templates and published versions.

Campaign operations include audiences, recipient snapshots, scheduled delivery, deterministic A/B variants, open and click tracking, unsubscribe and suppression handling, bounce processing, recipient activity, campaign reports, and analytics rollups. Verification supports instant checks, uploaded batches, cached results, and capacity-aware worker processing.

Trusted workspace applications can discover accounts, send direct or semantic messages, use templates, mint governed Bridge v2 connections, resolve Email Hub context, and react to Email.received, Email.sent, Email.bounced, and context-change events through explicit capability and resource authorization.