Disposable Email Detector
Check if an email address uses a disposable or temporary email service. Our database covers 2,000+ known disposable providers.
Bulk Domain Check
Paste multiple email addresses or domains to check all at once.
Top Disposable Email Providers
Most commonly encountered disposable domains in B2B email lists.
Block disposable emails automatically
Sales.co automatically filters disposable, temporary, and throwaway email addresses from your campaigns before sending.
Clean your lists with Sales.co →Why Disposable Emails Matter
Disposable email services provide temporary, anonymous email addresses that self-destruct after minutes or hours. They are commonly used by people who want to sign up for services without providing their real email address, access gated content without future marketing, and avoid spam.
For cold email senders and marketers, disposable emails are problematic because they inflate your contact list with addresses that will stop working within hours. Sending to defunct disposable addresses generates bounces, which damages sender reputation and reduces inbox placement for your real prospects.
The best practice is to detect and remove disposable emails at the point of collection (form submission or data import) rather than discovering them through bounces after sending.