In my JAVA application, I\'m using Amazon SNS to send emails to customer; Once I subscribe one customer(email id) into my SNS Topic; It is asking the customer to confirm the sub
Just as a suggestion, you can use Amazon Pinpoint to send emails to non-verified addresses (after moving out of sandbox). See https://docs.aws.amazon.com/pinpoint/latest/userguide/channels-email-setup-production-access.html