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Outage in Hoxhunt

Delivery issues in mail sending

Resolved Minor
August 21, 2026 - Started 4 days ago - Lasted 3 days
Official incident page

Incident Report

Summary AI Generated

Hoxhunt experienced email delivery issues lasting approximately 64 hours, affecting Microsoft environment customers across multiple email flows including phishing simulation deliveries, incident escalation emails, verification codes, email verification, automated technical testing, and welcome emails. Google environment customers and threat forwarding emails were unaffected, and user statistics were not impacted as failed simulation attempts were automatically deleted. Email delivery fully stabilized and was confirmed resolved on August 24, 2026.

Hoxhunt is currently facing email delivery issues which our technical teams are working to fix. Normal adaptive phishing training simulations are delayed as the delivery attempt will be re-tried if the delivery is not successful (in these instances our system automatically deletes the errored delivery attempts and user statistics are not affected.) Customers in Google environments are not affected by this. Threat forwarding emails are not affected by this as they are sent in the user's context. Affected flows: -Incident escalation emails (delivery will be re-tried automatically but some delay might occur) -Automated technical testing emails (not re-tried) -Verification code emails for signing in (not re-tried) -Email verification emails (not re-tried) -Welcome emails for starting the training (not re-tried for self-onboarding flow via game.hoxhunt.com/begin)
Components affected
Hoxhunt

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Latest Updates ( sorted recent to last )
RESOLVED 1 day ago - at 08/24/2026 07:13AM

Email delivery has returned to normal and we are not seeing any further issues. Thank you for your patience.

MONITORING 3 days ago - at 08/22/2026 03:05PM

Email delivery has stabilized and affected emails, including simulations, incident escalation emails, automated technical testing emails, verification code emails, email verification emails, and welcome emails are now being delivered as usual.

We are continuing to monitor closely to confirm the issue is fully resolved.

IDENTIFIED 4 days ago - at 08/21/2026 03:34PM

Hoxhunt is currently facing email delivery issues which our technical teams are working to fix.

Normal adaptive phishing training simulations are delayed as the delivery attempt will be re-tried if the delivery is not successful (in these instances our system automatically deletes the errored delivery attempts and user statistics are not affected.)

Customers in Google environments are not affected by this.

Threat forwarding emails are not affected by this as they are sent in the user's context.

Affected flows:
-Incident escalation emails (delivery will be re-tried automatically but some delay might occur)
-Automated technical testing emails (not re-tried)
-Verification code emails for signing in (not re-tried)
-Email verification emails (not re-tried)
-Welcome emails for starting the training (not re-tried for self-onboarding flow via game.hoxhunt.com/begin)

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