Post-Event Analysis of Email Service Incident March 4th, 2026

Summary

On March 4th, our email services experienced a critical incident caused by a cascade of unforeseen hardware failures. Multiple SSD (Solid-State Drive) disks failed in quick succession resulting in an application server becoming unresponsive, first impacting email services for some users and then spreading to other parts of the system.

Users who were already logged in to webmail experienced fewer disruptions, but new logins and IMAP connections were significantly impacted. Our support system also lost operability during the outage.

We have since replaced the failed hardware, rebuilt the affected systems, and fully restored services with additional redundancy. No user data was lost, and we have taking immediate and longer-term steps to prevent a recurrence in the future.

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Got hacked? What to do if your email account has been compromised.

Suddenly you are noticing strange things happening with your email. You’re receiving email messages about login attempts, password resets and two-factor authentication codes, and your friends and family are wondering why you’re sending them weird emails. You can’t even log in to your own email account and you’ve been bumped out of your social media accounts. What is going on? Your email might have been hacked.

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Don’t panic… but act quickly. You can minimize a lot of damage if you act fast and methodically. Because your email is a gateway to all your online accounts, like banking, shopping, social media and streaming, it can potentially be a goldmine for a cyber criminal if they gain access. Here’s what you can do.

The signs that your email has been hacked

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Special Holiday Offer from Runbox

We are feeling extra merry this month and would like to make the holidays brighter with a special limited time offer:

Throughout December you get a FREE YEAR with main account renewals on the Medium plan or larger!

Giftbox

This means that your existing account plan will be immediately upgraded for TWO YEARS if you purchase the Medium, Max, Max100, or Max250 plan now.

The additional subscription time will automatically be added to the end of your current subscription.

Just go to Plans & Upgrades and log in, and then select the Medium plan or larger. Finally, proceed to the shopping cart in the top right corner and complete your payment.

Happy Holidays from all of us at Runbox!

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