PUBLIC / EMAIL PROVIDER STATUS

Email Provider Status

A live pulse on deliverability across major mailbox providers, refreshed hourly with privacy-safe aggregate signals.

outlook.com free Overview

Relative volume, bounce rate, and deferral rate for this provider. No raw counts are shown.

Last 24h / updated Jul 1 8:45 PM UTC / cached 6h

All Providers
Jun 30 8:00 PM / vol 1/4 / bounce 2.05% / def 0.48%
Jun 30 9:00 PM / vol 2/4 / bounce 1.34% / def 1.29%
Jun 30 10:00 PM / vol 1/4 / bounce 3.93% / def 1.49%
Jun 30 11:00 PM / vol 2/4 / bounce 3.23% / def 1.10%
Jul 1 12:00 AM / vol 2/4 / bounce 2.06% / def 0.77%
Jul 1 1:00 AM / vol 1/4 / bounce 5.38% / def 3.30%
Jul 1 2:00 AM / vol 1/4 / bounce 6.58% / def 9.14%
Jul 1 3:00 AM / vol 1/4 / bounce 8.62% / def 1.59%
Jul 1 4:00 AM / vol 1/4 / bounce 9.33% / def 14.30%
Jul 1 5:00 AM / vol 1/4 / bounce 4.54% / def 12.40%
Jul 1 6:00 AM / vol 1/4 / bounce 5.31% / def 3.18%
Jul 1 7:00 AM / vol 1/4 / bounce 1.45% / def 12.29%
Jul 1 8:00 AM / vol 2/4 / bounce 2.09% / def 1.39%
Jul 1 9:00 AM / vol 1/4 / bounce 3.06% / def 2.65%
Jul 1 10:00 AM / vol 2/4 / bounce 4.30% / def 3.53%
Jul 1 11:00 AM / vol 2/4 / bounce 1.58% / def 0.37%
Jul 1 12:00 PM / vol 2/4 / bounce 3.31% / def 1.61%
Jul 1 1:00 PM / vol 4/4 / bounce 2.14% / def 1.97%
Jul 1 2:00 PM / vol 3/4 / bounce 1.25% / def 2.05%
Jul 1 3:00 PM / vol 2/4 / bounce 4.63% / def 1.35%
Jul 1 4:00 PM / vol 4/4 / bounce 4.27% / def 1.17%
Jul 1 5:00 PM / vol 2/4 / bounce 2.12% / def 2.16%
Jul 1 6:00 PM / vol 2/4 / bounce 6.75% / def 1.32%
Jul 1 7:00 PM / vol 2/4 / bounce 6.04% / def 4.76%
Jul 1 8:00 PM / vol 1/4 / bounce 1.73% / def 0.37%
Jun 30 8:45 PM Jul 1 8:45 PM UTC

Current ESP Status

Status is based on aggregate bounce plus deferral rate over the reporting window.

Provider Delivery Rate Bounce Rate Deferral Rate Trend Status Action
├─ google.com
79.94% 1.13% 18.93% UP Healthy Select
├─ yahoo.com
97.22% 1.05% 1.73% UP Healthy Select
├─ outlook.com free
94.66% 3.29% 2.05% DOWN Healthy Selected
├─ outlook.com paid
93.86% 3.37% 2.77% DOWN Healthy Select
├─ icloud.com
91.54% 7.44% 1.02% DOWN Degraded Select
├─ gmx.net
98.44% 1.48% 0.07% FLAT Healthy Select
├─ zoho.com
85.70% 5.66% 8.64% DOWN Degraded Select
├─ protonmail.ch
91.74% 4.13% 4.13% DOWN Healthy Select

OUTLOOK.COM FREE

Top Failure Reasons

Normalized categories only
blocked
48.1%
mailboxfull
39.3%
userunknown
4.0%
authfailure
3.6%
expired
2.8%
securityerror
2.0%
systemerror
0.1%
hostunknown
0.1%
notaccept
0.0%
filtered
0.0%

Mailbox provider email status

Use this page to check sender-side email delivery status across major mailbox providers, including Google Mail, Gmail, Yahoo, Outlook, iCloud, GMX, Proton Mail, QQ, 163.com, Mail.ru, Yandex, and Naver. A provider can be online while senders still see deferrals, soft bounces, mailbox-full responses, policy blocks, or temporary rate limits. Tatami tracks those delivery signals so teams can spot trouble before customers report it.

This status page focuses on email deliverability, not consumer app availability. That means bounce rate, deferral rate, relative volume, and normalized failure categories matter more than whether a mailbox website loads in a browser. If Gmail, Outlook, Yahoo, or another inbox provider starts rejecting or delaying mail, the chart should show the shift in delivery health.

We refresh this report hourly and show a privacy-safe view of the last 24 hours. It is useful when you need a quick answer to questions like "is Gmail having email delivery issues", "is Outlook rejecting messages", "are Yahoo deferrals up today", or "is iCloud email delivery degraded" without digging through raw logs.

About This Data

Metrics are generated from delivery events indexed by Tatami and grouped into major mailbox-provider families. Providers with low sample volume are marked Low Data. This report intentionally excludes recipient addresses, sending domains, source identifiers, tenant identifiers, project names, and IP addresses.

About

Tatami is a modern email deliverability and monitoring platform, built for teams who care about reliable, transparent, and actionable email infrastructure.

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