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.

Last updated on 10/7/26 10:45 PM UTC

Current Delivery Times

    Historical Timeline

    24-Hour Performance by Provider

    Average delivery times for each email provider

    Did you know? We are the only email service with 100% open-source and transparent monitoring. Source code is available on GitHub.