Email verification software ensures that email lists and campaigns are sent to legitimate email addresses. Users upload email lists to these platforms and the products can verify these lists in a number of ways. Email verification solutions can recognize accurate email address and domain structure, and some products can check a mailbox against an internet service provider to see if it exists. Users should be able to download the results of the email verification process and receive the most up-to-date and clean email list. Email verification software can be used by marketing teams to improve email campaign performance, deliverability, ROI, and user engagement. These products typically integrate with email marketing software, which businesses use to send out campaigns to their customer base.