Features

Read about the features available in Sinkbox.

  • Projects

    Organise projects to separate your inboxes.

  • Ingestion

    Store SMTP emails, SMS, HTTP dumps, and other payloads from 13+ external services.

  • Pinned items

    Pin important inbox entries so they stay protected from retention cleanup and easy to find.

  • Retention & storage

    Retention makes sure that inbox items are automatically deleted after a certain period to comply with data policies.

  • Downloads

    Download inbox payloads and attachments directly from the UI, in relevant formats.

  • Emergency Upgrade

    Temporarily raise plan limits for 30 days to handle an unexpected spike in volume.

  • Forwarding

    Forward selected inbox items to the outside world when needed.

  • Per-user read status

    Track read/unread state per teammate for advanced workflows.

  • Public inbox links

    Create secure public links for read-only sharing of inbox content. Choose between link access with or without authentication, and within or outside your organisation on higher plans.

  • Audit logs

    Review who accessed inbox content and when, created public links, invited users and much more for accountability and compliance.