Email, It is a system used to send digital messages from user to user, Attachments, You can send a message and attach files to it (such as photos, documents, spreadsheets). These files are known as attachments., Benefits of email, Speed of delivery, Drawbacks of email, Privacy & security., CC, Carbon Copy, BCC, Blind Carbon Copy, Simple Mail Transfer Protocol, The internet standard used for sending messages across IP networks in server-to-server transfers. Also used by email users to send a message to an email server., Post Office Protocol 3, Used to retrieve emails from an email server over a TCP/IP connection. This is the most widely used email retrieval protocol. Normally users download emails to their local computer using POP3 – this deletes them from the email server., Internet Messages Access Protocol, This is the other popular email retrieval protocol. Normally users work on the emails as they reside on the email server using IMAP and do not download them..

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