Ta mail den stelnontai....

[Panayotis Prokopiou]

Thodoris Tsokos wrote:
> Panayotis Prokopiou wrote:

xm, na ksanapoume merika basika pragmata me thn efkairia.

to e-mail xrhsimopoiei 3 diaforetika protokola. Afta einai ta POP3, IMAP 
kai SMTP.

Ta 2 prota (POP3, IMAP) einai gia na lambanetai to e-mail. Profanos afth 
h diadikasia apaitei ena username

(to opoio suxna einai to idio me to meros ths e-mail diefthinshs mas 
prin to '@', dhladh h e-mail diefthinsh  einai ths morfhs 
username at domain, opou domain einai h diefthunsh tou server pou 
diaxeirizetai to e-mail mas, px. softlab.ece.ntua.gr)

kai ena password. Etsi dhmiourgeitai h enoia tou account, to opoio 
"anoigoume" h' "dhmiourgoume" kai telika "exoume" se kapoion e-mail server.

Apo thn allh plevra uparxei uparxei to protokolo SMTP. Afto 
xrhsimopoieitai gia na stelnoume e-mail. To protokolo afto sunhthos den 
apaitei kapoio eidos authentication (dhladh den xreiazetai kodiko), kai 
etsi einai aneksarthto apo to account pou exoume gia na lambanoume e-mail.

Afto pou suxna symbainei, einai oti kathe ISP pou sevetai stixeiodos ton 
eafto tou exei enan SMTP server. Prepei na proseksoume oti tis 
perissoteres fores o server aftos einai "kleidomenos" kai den mporoun 
atoma pou den sundeontai apo ton en logo ISP na ton xrhsimopoihsoun gia 
na steiloun to e-mail tous.

Thimizo ksana omos oti kathe ISP exei enan SMTP server o opoios 
epitrepei se kathe ena pou tha sundethei sto duktio tou (tou ISP) na 
steilei e-mail.

Sumpairasma: O POP server einai enas kai monadikos gia kathe dieuthinsh 
e-mail. O SMTP server omos den exei kamia eksarthsh apo afth.

kathe sxolio h/kai sumplhroma efprosdekto.

-- 
pprok