Undeliverable and harmful addresses can lead to ISP blocking and 3rd party blocklisting by ISPs. Even something as innocent as a typo on a registration form can mean a lost opportunity to connect with a valuable customer. Use SafeToSend to clean your email list and eliminate these threats.

Bouncing emails, spamtrap hits, stale lists, and damaged sender reputations – just a few of the reasons to utilize our SafeToSend® email validation service.

The payoff of SafeToSend is substantial: 100% guaranteed safe, deliverable email addresses that drive higher response rates, conversions, and profits


Unlike services that merely validate or verify addresses

SafeToSend ensures flawless email list hygiene with a robust three-step screening process.

Check Step of Email Validation Service


Verify each address in real time to confirm that it’s valid and can accept mail.

Correct Step of Email Validation Service


Our patented spell-check technology corrects as many as seven errors in a single address and fixes any typos in your file.

Protect Step of Email Validation Service


We check each email address to identify and flag spamtraps and other damaging email addresses.