Check any email domain.
Check MX records and distinguish personal mailboxes, privacy relays, and disposable email providers before setting your signup rules.
Email provider reports
gmail.comDo dots create a different Gmail address? outlook.comDoes a new Outlook alias mean a new Microsoft account? proton.meHow does proton.me differ from protonmail.com? pm.meIs pm.me a temporary email service? icloud.comAre icloud.com, me.com, and mac.com interchangeable? duck.comDoes a duck.com address have its own inbox? privaterelay.appleid.comWhy can email to an Apple private relay address fail? mozmail.comWhat is a custom mozmail.com subdomain? fastmail.comWhy is Fastmail in a personal email provider list? hey.comIs hey.com a work email domain? mailinator.comShould I send password resets to a mailinator.com address?
Disposable domains
Recognize temporary inbox providers before granting trials, credits, or costly access.
Free and personal email providers
Treat consumer email addresses fairly without confusing them with disposable inboxes.
Check the address behind the domain.
Use the API to check a complete email address before accepting a signup. Your first project gets 1,000 free credits, with no card required.