E-mail is the most popular type of use of a wide area network the Internet today. By means of this service, you can instantly send messages to any end of the globe, without getting up from the chair. It is very simple to work with e-mail, but there are several nuances which should be mentioned.
For an entrance to mail you need to think up the password and to remember it (how to think up the reliable password you can read in article "How to Think Up the Password"). You can send letters to addressees of the whole world. It is possible to attach different files and even photos to the letter. So, for example, very few people know that in any mail service there is an opportunity to send one letter to several users at once – for this purpose specify friends through emails in an address bar a comma.
If you only began to work with e-mail, you can make some mistakes from which nobody is insured. Let's consider a case known to all with accidentally sent letter. The person on awkwardness accidentally clicks a mouse, and the letter leaves for good not to that address to which it should leave. For this reason it is necessary to recheck the addresses and to be accurate when sending.
Remote letters are stored in "Basket" on average about a month. The sent letters remain in the Sent folder and you can always send this letter or find the document necessary to you, sent some time ago to someone from your acquaintances.
What occurs when you send the letter? By means of the SMTP protocol your computer communicates with the computer on which the letter is originally sent. The situation is similar and when receiving mail. In fact, the computer transfers information to other computer and delivers your letter to the server of outgoing mail selected by you. As soon as the letter is received, the server moves your document to a mailbox of the recipient.
Different mail agents who communicate in the language participate in processing of letters.