Sometimes you notice that tons of spammers registered in your DNN (DotNetNuke) website. It used lots of bandwidth and also slow down your website dramatically. Please follow those two solutions to prevent it.
Log into DNN site with host account.
Sometimes you may do not know the DNN host or admin password; therefore, one can change the backend SQL server database directly.
Trouble logging in? Simply enter your email address OR username in order to reset your password.
For faster and more reliable delivery, add firstname.lastname@example.org to your trusted senders list in your email software.