0 a list of people or things that are considered by a particular authority or group to be acceptable and that should be trusted --
1 to put the name of someone or something on a whitelist: --
Another option is to block all sites, then create a whitelist of allowed sites.
The intent is for email administrators to whitelist messages bearing the licensed tag.
Only verified legitimate senders with clean reputations are approved for whitelisting and there are strict terms to keeping a whitelist account.
Conversely, a whitelist is a list or compilation identifying entities that are accepted, recognized, or privileged.
Supervisors define exceptions, add global blocked sites, or block all access to sites not on a user-created whitelist.
Spam filtering imports users' address books to compile a whitelist of allowed senders.
Addresses to which users send mail and e-mail tagged as valid mail can be automatically added to the whitelist.
When enabled, the system checks web pages against a whitelist of sites known not to be potential security risks.
