Lesson 7 vocabulary Flashcards
Attachment
A file that is sent with an e-mail message.
Browser E-mail
E-mail programs such as Outlook Express and Opera Mail that come bundled with a Web browser and with which they may be integrated.
CAPTCHA
A test that uses a word-verification graphic graphic designed to differentiate humans from automated senders during online transactions.
E-mail client
An e-mail program that is independent of any specific Web browser, and that you can use to send e-mail messages.
Blackhole list
A published list of IP addresses known to be sources of spam.
GNU Privacy Guard
An open-source version of PGP, used for encrypting and decrypting e-mail messages, that does not use patented algorithms.
Header
A block of information attached to a piece of data. The first part of a network packet. Can contain network addressing information or additional information that helps computers and applications process data.
IP address
A unique numeral address assigned to a computer or device on a network.
Mail Delivery Agent
An e-mail server program that receives sent messages and delivers them to their proper destination mailbox.
Mail User Agent
A messaging component used as a stand-alone application by the user.
Message Transfer Agent
A messaging component that routes, delivers and receives e-mail.
Multipurpose Internet Mail Extensions
A protocol that enables operating systems to map file name extensions to corresponding applications. Also used by applications to automatically process files downloaded from the Internet.
Personal Digital Assistant
A small, handheld computer used for personal information management. The predecessor to the smartphone.
Personal Information Management Program
A tool used to schedule appointment and meetings. store contact information, and manage tasks.
Pretty Good Privacy
A method of encrypting and decrypting e-mail messages. It can also be used to encrypt a digital signature.
