Powerful Email Validation Features

Verifies every address follows official email formatting rules before deeper checks begin.

Confirms the domain's DNS and MX records are active so your message has a real destination.

Performs a non-intrusive SMTP ping to be sure the recipient inbox actually exists.

Filters throwaway addresses from temporary-mail providers to keep your list evergreen.

Flags addresses found on industry blocklists or complaint databases that hurt reputation.

Identifies domains that accept all mail and marks them so you can choose how to send.

Instantly strips out repeated addresses, preventing needless sends and skewed stats.

Spots domains using greylisting tactics, helping you optimize retry logic and timing.

Uncovers hidden trap addresses maintained by ISPs to protect your sender score.