https://www.progress.com/documentation/sitefinity-cms/144/for-developers-delete-subscribers
Delete subscribers - Sitefinity CMS Development
This section describes how to delete one or more subscribers.
delete subscriberssitefinity cmsdevelopment
https://clients.jainhosting.com/kb/answer/1067
Delete Subscribers | KnowledgeBase
delete subscribersknowledgebase
https://www.progress.com/documentation/sitefinity-cms/144/for-developers-delete-subscribers
Delete subscribers - Sitefinity CMS Development
This section describes how to delete one or more subscribers.
delete subscriberssitefinity cmsdevelopment