Mailsend Issue

Incident Report for one.com

Investigating

We are currently experiencing issues with our mail servers, causing mail not to be delivered to recipients like Hotmail & Outlook.

To fix this, you need to create SPF & DMARC records on your domain. You can follow these guides from our Help page:

https://help.one.com/hc/en-us/articles/115005595945-Add-an-SPF-record
https://help.one.com/hc/en-us/articles/360015855998-How-do-I-create-a-DMARC-record

Or migrated customers can enable this via Domain > DNS Settings > DNS Records.
Posted Nov 08, 2026 - 08:53 CET
This incident affects: Mail services.