Real-time email delivery metrics across major providers
Last updated: Jul 6, 2025 7:10 AM PDT
Current ESP Status
| Provider | P95 Latency (s) | Retry Rate | Trend | Status | Details |
|---|---|---|---|---|---|
| Apple iCloud | 3.03 | 3.0% | ▲ | Degraded | View Details |
| Comcast / Xfinity | 1.25 | 2.9% | ▬ | Healthy | View Details |
| GMX / WEB.de | 3.02 | 0.0% | ▬ | Degraded | View Details |
| Google Mail | 0.70 | 0.2% | ▲ | Healthy | View Details |
| Microsoft 365 | 1.69 | 0.5% | ▬ | Healthy | View Details |
| Outlook / Hotmail | 1.50 | 0.0% | ▬ | Healthy | View Details |
| Yahoo / AOL | 1.62 | 0.0% | ▬ | Healthy | View Details |
Details for Google Mail
← Back to OverviewP95 Latency (24 hours)
Delivery Issues (24 hours)
Retry and Bounce RatesAbout this data
- The numbers on this page come from SMTP telemetry that Groups.io collects while delivering roughly 15 million real-world emails each day.
- Metrics are updated every five minutes and down-sampled into 5-minute buckets; raw data older than seven days is automatically purged, and roll-ups are kept for 90 days.
Need deeper, real-time insight?
- Query ANY domain - not just the majors you see above
- 1-minute granularity
- Slack / webhook alerts the moment a delivery issue arises
- Contact us