a database of known internet addresses (or IPs) used by individuals or companies sending spam
a file containing email addresses of those people or companies that you do not want to receive email from
a kind of specialized online database that a mail server can query with the address of another system on the Internet (usually the address of a system that has connected to the server and asked to send some mail)
a list of addresses and internet numbers that have been known to send out spam
a list of all characters you consider evil (like the quote)
a list of all email senders that are banned, ie you do not want to receive email from them
a list of IP addresses of known spammers
a list where you can manually add specific email addresses or domains that you receive spam from
A list of persons or organizations under suspicion, or considered untrustworthy, disloyal etc., especially one compiled by a government or an organisation.
List of disapproved items, more information ...
List of subscribers that temporary and for different reasons are not authorised to use a given Service. source: EU-P230 domain: Security usage: EU-P230
List of spammer's addresses. Practically useless these days for filtration since spammers now forge or hide their source address, or use transient addresses.
Block email from email addresses and domains added to this list.
A counterintelligence agency listing of actual or potential hostile collaborators, sympathizers, or other persons viewed as threatening to friendly military forces; in business, a black list is a list of persons to be denied employment or to be punished in some other manner, or a list of vendors or suppliers to be avoided.