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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