, , . . . , - .
, , . , . ( , - , ). , , , (, ) .
, .
.
, @ ([email protected]).
, . , . .
URL.
URL . URL, , , , , , .
http:// (Hyper Text Transfer Protocol , Web Web ). (), .
www/lipunov.msk.ru , .
prochn/lab/IVANOV.htm , - . html, IVANOV.htm, lab, prochn. - . URL .
.
.
, (E-mail Account Password) . : _@_, , [email protected]. @ - (E-mail Account Name) , ( Petrov), @ .
- . , . SMTP (Simple Mail Transfer Protocol ) , , SMTP .
POP3 (Post Office Protocol), .