An email validation service determines whether an address is real by senegal email list 60000 contact leads testing to see if it can be reached. There are solutions that validate emails at signup as well as those that verify contacts on your entire list. people abandon personal email accounts, graduate from college, and change jobs leaving old addresses behind.Why it’s importantBesides the obvious reason that sending messages to a non-existent contact is a waste, there are other important reasons to conduct email validation. The biggest relates to your sender reputation and deliverability.Since there’s no one on the receiving end of an invalid email address, bad contact data could drag down your email engagement rates.

Invalid emails also lead to high bounce rates, which is another factor that can hurt deliverability. Mailbox providers like Gmail, Yahoo, and Outlook take notice of low engagement and bounce rates.Most dangerous of all are spam traps. Sometimes, abandoned email accounts are recycled to catch spammers. If you send to one of these recycled spam traps, mailbox providers may decide to filter your messages to junk or add you to a blocklist.One way to avoid email verification pitfalls is to implement a double opt-in, which asks new contacts to confirm their intent to sign up.