NeverBounce by ZoomInfo is a platform focused on email verification and list cleaning services. Its primary function is to help businesses improve their email deliverability by validating email addresses on their mailing lists. This service is crucial for businesses engaged in email marketing, as it directly impacts the effectiveness of their campaigns and communication efforts. The core functionality of Neverbounce involves checking the validity of email addresses in bulk or in real-time. This process includes identifying and flagging invalid, inactive, or risky email addresses, such as those that are known for spam or abuse.