I paid for Mailscale in November for a managed outbound email service. Domains, DNS, and authentication are explicitly part of what they sell.It is now mid-January, and every single domain they provisioned is still failing DMARC.This is not a user setup issue. I did not configure DNS. These domains were purchased, registered, and provisioned by Mailscale. Support told me in December that the DNS issues were fixed. That was false. Independent tests across multiple tools still show DMARC failure the moment inboxes are connected.This makes the service unusable. You cannot warm up inboxes or run outbound safely when DMARC is failing. Any time spent “warming” under these conditions is wasted or damaging.Support was slow and resolution claims did not match reality. After weeks of delay, I had to escalate directly to the founder to get basic answers.If a company selling managed outbound infrastructure cannot get DMARC working after months, that is not a minor issue. It is a core operational failure.Do not rely on this service if you need dependable outbound email, especially at scale.
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