Free Email Provider Detector
Detect free mailbox providers like Gmail, Yahoo and Outlook in a single address or a list, to separate consumer from business contacts. Free, instant.
Detect free email providers
Paste one or more addresses. We flag free mailbox providers like Gmail, Yahoo and Outlook.
Features
Common use cases
- 1Segmenting B2C from B2B contacts
- 2Filtering leads for a business audience
- 3Scoring lead quality by domain type
- 4Enforcing work-email sign-up rules
- 5Analysing the make-up of a list
- 6Prioritising custom-domain prospects
Related tools
About free email providers
Free mailbox providers — Gmail, Yahoo, Outlook.com, iCloud and the like — give anyone a mailbox at no cost on a shared domain. There is nothing wrong with them (billions of people use them), but for B2B they are a weaker signal: a prospect using a free address is harder to tie to a specific company.
This detector flags addresses on known free providers so you can segment consumer from business contacts, score lead quality, or enforce a work-email policy at sign-up. It is informational, not a quality judgement — a free-provider address can still be a perfectly good, engaged contact.
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This utility is one of dozens of free, no-login tools for DNS, email, SEO and developers — all instant and private.
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Got Questions? We Have Answers.
What counts as a free provider?
Consumer mailbox services that give anyone a free address on a shared domain — Gmail, Yahoo, Outlook.com, iCloud and similar.
Why detect free-provider addresses?
For B2B they are a weaker signal, so flagging them helps you segment consumer from business contacts and score lead quality.
Is a free-provider address bad?
No. Billions of people use them and they can be great contacts. It is informational, not a quality judgement.
Can I process a whole list?
Yes. Paste one address or many; results split into free-provider and custom-domain groups.