List the modes of operation of the e-mail client program

The e-mail client program barks the ability to the user to receive and send letters, view the received correspondence, form the text of the letter, maintain an address directory, maintain a mail archive.

Remember: The process of learning a person lasts a lifetime. The value of the same knowledge for different people may be different, it is determined by their individual characteristics and needs. Therefore, knowledge is always needed at any age and position.