Service Status
Real-time operational status for all Runbox services
Services (live statistics from NodePing)
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Incoming Email Delivery (rolling 60-minute average, refreshed every 5 minutes here; chart below covers the last 12 hours)
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Active Incidents

No active incidents. ✓

Informational
Mail being returned from Microsoft services
Informational
2026-11-08T19:24:06Z
We have received reports from customers who use their own domains that email is being rejected from addresses such as Hotmail, Outlook, MSN and Yahoo addresses (there may be others).

This appears to be a recent change with these services that now requires anyone with their own domain to use domain authentication such as SPF, DKIM and DMARC.

It has been a requirement for some domains to include these security features for sending to Gmail addresses for some time now.

You can find more information at the link below:

https://help.runbox.com/email-hosting/

You can check your domain with the Runbox DNS Compliance Checker (link below) where you can also discuss the results with Boxy our AI support assistant.

https://boxy.runbox.com/dns-checker.html

You can also contact us at mail@support.runbox.com (https://support.runbox.com
edited 2026-11-08T19:50:28Z
Incident History — Last 90 Days
PHP Vulnerabilities
Other
2026-11-08T19:24:41Z
Resolved ›
2026-10-21T21:49:33Z
Runbox is aware of the PHP vulnerabilities that have been in the news lately and we have updated our systems to the latest secure versions. You can read more about this on the official PHP website at https://www.php.net/index.php#2026-10-21-5
edited 2026-10-21T21:50:24Z
Support service issues
Other
2026-09-03T18:31:39Z
Resolved ›
2026-09-03T18:31:36Z
The support service has been restored to normal now. Apologies for any inconvenience caused.
2026-09-03T14:38:41Z
We are currently experiencing access problems with our support website and are investigating what is causing these.
Access Issues
Webmail IMAP/POP Authentication
2026-08-28T10:51:00Z
Resolved ›
2026-08-28T01:47:38Z
Services are returning to normal now. Sorry for the inconvenience caused.
2026-08-28T01:25:19Z
There is a problem with one of the storage servers. This is being restarted now and further investigations will continue.
2026-08-28T00:21:24Z
We are currently investigating issues affecting IMAP, POP and Webmail.
Mail delivery delays & MX record validation for Email Hosting domains
mail_delivery
2026-08-27T23:38:19Z
Resolved ›
2026-08-17T17:53:09Z
The mail queues are now substantially better and mail delivery is happening normally. Sending servers at other email services will retry sending messages you have not received if they haven't already returned the messages to the sender. You may still see some message you expected earlier to arrive over the next few hours.
2026-08-17T12:32:31Z
Further investigations into the remaining email delivery issues revealed a lingering block by certain DNS servers, which caused problems delivering email to services using those nameservers. A workaround to circumvent this problem appears to be working and the outgoing email queue to the affected services is decreasing.
2026-08-16T18:21:59Z
The cascading issues with incoming and outgoing email delivery have substantially improved and continue to subside, but any delayed or incorrectly rejected messages are problematic and we are continuing to address this with our system administration team.
edited 2026-08-16T18:22:26Z
2026-08-15T07:41:13Z
It appears that a a result of the DDoS (Distributed Denial of Service) attack a couple of days ago some of the mitigations put in place are affecting the ability of our servers to find DNS details for the domains that emails are delivered to. This is also affecting some incoming mail.

Most messages appear to be being delivered normally, but some are being affected by this issue and we are continuing to work on this.

The same issue is also affecting our system's ability to validate new customer domains when they add them to their accounts. If you think this is affecting your domain please email mail@support.runbox.com and we can look in to this for you.
edited 2026-08-15T07:44:55Z
2026-08-14T14:30:07Z
We are currently looking in to a possible issue with outgoing mail delivery being delayed.
edited 2026-08-14T16:47:15Z
eBay emails not being received
mail_delivery
2026-08-27T17:20:38Z
Resolved ›
2026-08-27T17:20:32Z
Emails from eBay are being delivered as normal.
2026-07-07T05:57:24Z
We are still waiting to hear from eBay regarding the email delivery problem.
2026-06-26T22:58:58Z
We have been in touch with eBay and from what we can tell they seem to be aware of the issue and are looking in to it.
2026-06-26T18:29:29Z
Some customers are reporting they don't receive emails from eBay. We are looking in to this.
DDoS attack against our services
Other
2026-08-14T09:04:12Z
Resolved ›
2026-08-14T09:04:07Z
Services are now running normally and the incoming mail queue has been cleared.
2026-08-13T18:29:50Z
Services are returning to normal. There is an incoming mail queue from outside the Runbox network that the servers will work through now. Our system administrators and connectivity providers will continue working on further mitigations for this attack and we will be monitoring the situation closely.
2026-08-13T17:06:48Z
Our system administrators are continuing to mitigate the attack. IMAP, POP, and SMTP continue to work, while web and incoming email delivery are still affected. If you cannot connect, please try again in a short while.
2026-08-13T15:00:29Z
It now looks like this is a DDoS (Distributed Denial of Service) attack on our servers and affecting others as a side effect. Our Internet connection providers are now attempting to mitigate the attack.
2026-08-13T14:02:32Z
Initial evidence suggests a network issue outside our network causing connectivity problems to a number of services, not just Runbox. We'll post more when we have a full update. Apologies for the inconvenience caused.
edited 2026-08-13T14:05:26Z
2026-08-13T13:44:46Z
We are currently investigating connectivity issues across all our services. We will update this post when we know more.
Older Incident History
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