Why verify an email address before you send to it?
Every invalid or risky address left on a list eventually turns into a bounce, a spam-trap hit, or a wasted send. A single real-time check catches most of that before it ever reaches your database, which keeps sender reputation healthy and marketing budgets from being spent on addresses that were never going to convert.
What the checker looks at
The tool above combines eight signals into one 0-100 trust score: mail server (MX) records, SPF, DKIM and DMARC authentication, whether the address belongs to a business or a free webmail provider, whether it looks like a role inbox such as info@ or support@, disposable-domain risk, and approximate domain age. Rather than a flat valid/invalid answer, this gives a sense of how much to trust a given address.
How to read the result
- High score: the domain accepts mail, has proper authentication records, and shows no disposable or risk signals.
- Medium score: usually a personal or role address, or a domain missing one authentication record – often fine, worth a second look for high-value forms.
- Low score: missing MX records, a known disposable/temp-mail domain, or a domain that was registered very recently.
Checks run locally against DNS and public block lists by default, so there is no signup required to try it, and no email content ever leaves the server unless the optional cloud API is enabled.
