Примеры сетевых топологий


Формальный синтаксис - часть 4


date_month ::= "Jan" / "Feb" / "Mar" / "Apr" / "May" / "Jun" /
"Jul" / "Aug" / "Sep" / "Oct" / "Nov" / "Dec"
date_text ::= date_day "-" date_month "-" date_year
date_year ::= 4digit
date_time ::= <"> date_day_fixed "-" date_month "-" date_year
SPACE time SPACE zone <">
delete ::= "DELETE" SPACE mailbox
;; Использование INBOX не приводит к ошибке
digit ::= "0" / digit_nz
digit_nz ::= "1" / "2" / "3" / "4" / "5" / "6" / "7" / "8" / "9"
envelope ::= "(" env_date SPACE env_subject SPACE env_from
SPACE env_sender SPACE env_reply_to SPACE env_to
SPACE env_cc SPACE env_bcc SPACE env_in_reply_to
SPACE env_message_id ")"
env_bcc ::= "(" 1*address ")" / nil
env_cc ::= "(" 1*address ")" / nil
env_date ::= nstring
env_from ::= "(" 1*address ")" / nil
env_in_reply_to ::= nstring
env_message_id ::= nstring
env_reply_to ::= "(" 1*address ")" / nil
env_sender ::= "(" 1*address ")" / nil
env_subject ::= nstring
env_to ::= "(" 1*address ")" / nil
examine ::= "EXAMINE" SPACE mailbox
fetch ::= "FETCH" SPACE set SPACE ("ALL" / "FULL" /
"FAST" / fetch_att / "(" 1#fetch_att ")")
fetch_att ::= "ENVELOPE" / "FLAGS" / "INTERNALDATE" /
"RFC822" [".HEADER" / ".SIZE" / ".TEXT"] /
"BODY" ["STRUCTURE"] / "UID" /
"BODY" [".PEEK"] section
["<" number "." nz_number ">"]
flag ::= "\Answered" / "\Flagged" / "\Deleted" /
"\Seen" / "\Draft" / flag_keyword / flag_extension



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