Confirmed Opt-In is used to help prevent spam and ensure that only people who specifically request your information are subscribed to your list.
- It prevents people from subscribing to your list with an invalid or malicious addresses.
- It establishes a digital audit trail that shows how all subscribers requested your information, and protects you from false spam complaints.
As an ISP standard for managing mailing lists, confirmed opt-in ensures the best possible deliverability for your messages.