100% open-source email infrastructure

Zero-Knowledge Email Architecture

Zero-knowledge email service ensuring no access to your data by anyone. End-to-end encrypted email with client-side encryption keys for maximum privacy and.

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Time to Inbox

Time to Inbox

We measure these delivery times with our own open-source monitor. It sends test emails to inboxes at major email providers and records how long each one takes to arrive. Our engineers get an alert when a delivery takes longer than 10 seconds. Source code is available on GitHub.

Last updated on 10/13/26 11:47 AM UTC

Current Delivery Times

  • Forward Email

    Direct
    810ms
    Forwarding
    879ms
  • Gmail

    Direct
    611ms
    Forwarding
    783ms
  • Apple iCloud

    Direct
    4.1s
    Forwarding
    6.9s
  • Yahoo/AOL

    Direct
    2.2s
    Forwarding
    2.3s