Verify email addresses: syntax, MX, disposable, role, SMTP mailbox, catch-all and typo checks.
Free
One server, in email. Verify email addresses: syntax, MX, disposable, role, SMTP mailbox, catch-all and typo checks.
Verify email addresses: syntax, MX, disposable, role, SMTP mailbox, catch-all and typo checks.
The rest either hold an API key issued by the publisher or ask for nothing.
Listed without a verification tick. Read the listing before installing.