ISP blocking and third party blocklisting can be used to stop you from receiving unwanted or harmful addresses. Even a simple typo in a registration form could cost you a chance to connect with a valued customer. SafeToSend's email validation service can clean up your email list and eliminate potential threats. Our SafeToSend®, email validation service is perfect for protecting your reputation and preventing spamtrap hits, bounced emails, and stale lists. To verify that each address is valid and able to accept mail, you can verify it in real-time. Our unique spell-check technology can correct up to seven errors at once and fix any typos in your file. To flag spamtraps and other harmful email addresses, we check every email address. FreshAddress employs data scientists who are responsible for identifying and flagging spamtraps. No other provider has the experience, technology, and knowledgebase to identify these toxic addresses.