domain report

Is mail.to a disposable email?

Yes. mail.to is a disposable email domain: a throwaway inbox service.

GET /v1/check?domain=mail.tochecked 18 Oct 2026
isBusinessEmail("mail.to")
false

Disposable inbox — it will stop receiving mail soon.

category
disposable
recommendation
block
confidence
97%
  • Google Workspace: not detected
  • Microsoft 365: not detected

Mail setup

Receives mail
Yes
Mail provider
—
SPF
v=spf1 mx include:netblocks.dreamhost.com include:relay.mailchannels.net -all
DMARC policy
None
MX records for mail.to
PriorityMX host
0mx2.mailchannels.net
0mx1.mailchannels.net

Workspace

  • Google WorkspaceNot detected
  • Microsoft 365Not detected

Detected per company domain from public DNS and Microsoft's documented tenant discovery — never per person.

Why this verdict

Confidence 97% · recommendation block under the default b2b policy.

What this means

Addresses at mail.to are created in seconds without sign-up and are usually abandoned soon after. They are used to get past email verification, claim free trials more than once or avoid follow-up email. It is on our disposable email domains list.

isBusinessEmail returns category "disposable" and recommends block under every policy (b2b, strict and lenient). mail.to receives mail through mx2.mailchannels.net, mx1.mailchannels.net.

See the full disposable email domains list →

Questions about mail.to

Is mail.to a disposable email domain?

Yes. mail.to is on the isBusinessEmail disposable list, so a check returns category "disposable" and the recommendation "block".

Should I block mail.to at sign-up?

For most products, yes: a disposable inbox stops receiving mail soon, so you can't reach the user later. isBusinessEmail recommends block under all three policies.

Can mail.to receive email?

mail.to receives mail through mx2.mailchannels.net, mx1.mailchannels.net.

How do I detect addresses like mail.to automatically?

Call POST /v1/check with the address or domain. Disposable domains come back with is_disposable: true, from a list merged from open sources and our own detection and updated daily.

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