To clean your email list, you need an email cleaning tool. Upload your email list to the software. Then the app will run the verification. It usually takes about 1 minute for a list with 1000 contacts and around 20 minutes for 100K subscribers. When the cleaning is complete, you’ll see how many email addresses are valid, risky, or invalid. And you can download your list of contacts. From most email scrubbing tools, you can download valid, risky, or invalid emails separately. Our favorite list cleaning tools are:
Bouncer
MailerCheck
ZeroBounce