E-mail clients - are on the customer

E-mail allows asynchronous exchange of mail Diversity with all people who are connected to the Internet. To post might exchanged is necessary that the sender and recipient have their electronic addresses. E-mail address consists of two parts which are separated by @ (commercial at Engl.). Part addresses behind this sign is the domain or address of the computer on which the user's mailbox and the front part of the personal name of the user, as it is registered with the vendor. postage
For us, the address registered with the t-com providers is ime@t-com.me. Each user has their own mailbox (space for mail) located on the appropriate server. The protocol for the exchange of messages on the Internet SMTP (Simple Mail Transfer Protocol). The user can check his mail in two ways:
Transfer through postal facilities with an e-mail server on your PC. This transfer is enabled POP (Post Office Protocol) or IMAP (Internet Message Access Protocol). The user then uses a program to read the mail, so-called. E-mail postage client, such as Outlook Express, Eudora, Mozilla Thunderbird, IncrediMail ...
E-mail clients - are on the customer's side, these are programs that allow for reading messages, reply, forward, postage compose, delete, etc.
Servers for electronic mail (portable agents) form the core infrastructure of e-mail. They first checked the authenticity (username and password) the one who wants to join the mailbox. Portable agents executed on servers.
Anatomy of an electronic message is strictly defined: Message header starts in which the sender address, recipient address and subject. There are also the date and time of sending the message. Then comes the body (body) of the message, and at the end of the signature-name postage and address of the sender (signature).
inclusion in the e-mail Diversity: digitized images, text in various formats (Word, Acrobat PDF, etc.), executive versions or even movies. The programs for e-mail that is usually called an addition or annex (Engl. attachment).
all accrued and sent messages can be stored and are deleted by their own choice. Safety of electronic messages is not guaranteed unless you do not encrypt messages (encrypted). postage Each administrator SMTP server through which the message passes can read it.
In addition to these benefits, which enable postage individuals to effective communication, e-mail allows you to create and send notification to the list (Engl. mailing postage list). The essence of this mailing list is simple. The list has a special e-mail address and all that someone sent to this address, it is sent to everyone who registered on the list. Since they do their part often respond to messages, the result is a conversation that flows continuously. This is useful for connecting people with common interests or people who make a team that works together on a project.
In order for it to function as a single network, it is necessary postage to adopt a unified system of addressing computers, which are connected to the network. ...