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List and briefly describe some common functions(features) found in UNIX e-mail systems. i.e. capability of using...

List and briefly describe some common functions(features) found in UNIX e-mail systems. i.e. capability of using Bcc, etc..

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UNIX e-mail systems have some basic and common functions or features such as the capability to send emails to the users, users to receive the emails, to read the received emails, to delete emails, etc. Other mail capabilities are:
* The UNIX mail utility has a simple feature or option to display the email delivery details on the terminal in verbose mode. This uses the option "-v".
* Provides features for users to specify their "from" address in send mail options. This uses the option "r".
* It provides the main facility to specify the subject of the email. This uses the option "-s".
* It provides users with features for sending carbon copies of the mail to a list of users, similar to the cc option in Microsoft Outlook or any other email software application. This uses the option "-c".
* Provides users the feature for sending blind copies of the mail to a user list, similar to the bcc option in Microsoft Outlook or any other email software application. This uses the option "-b".
* It provides another feature for reading the mailbox's contents. This uses the "-f" option.
* Like any other email software, it provides the capability for sending mail to multiple users simultaneously specifying the users in a comma-separated list.
* It provides a unique feature to the users to specify the mail body in a file, say, a text file. In case, a mail is required to contain 100 lines or more in its body. Users can specify the body writing the contents in a file and send the mail using an input redirection operator "<".
* It does not provide users a facility to attach files to be sent in the mail. However, it provides a workaround option to attach files using the "uuencode" command. This requires to pipe the output of the uuencode command
* It provides the feature for users to create personal and systemwide distribution lists, assign a name for a group to send an email who are members of that group.


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