*("with" atom)             ; link/mail protocol
                       ["id"   msg-id]           ; receiver msg id
                       ["for"  addr-spec]        ; initial form
                        ";"    date-time         ; time received

     resent      =   resent-authentic
                   [ "Resent-Reply-To"  ":" 1#address] )
     resent-authentic =
                 =   "Resent-From"      ":"   mailbox
                 / ( "Resent-Sender"    ":"   mailbox
                     "Resent-From"      ":" 1#mailbox  )
     resent-date =  "Resent-Date" ":"   date-time
     return      =  "Return-path" ":" route-addr ; return address
     route       =  1#("@" domain) ":"           ; path-relative
     route-addr  =  "<" [route] addr-spec ">"
     source      = [  trace ]                    ; net traversals
                      originator                 ; original mail
                   [  resent ]                   ; forwarded
     SPACE       =  <ASCII SP, space>            ; (     40,      32.)
     specials    =  "(" / ")" / "<" / ">" / "@"  ; Must be in quoted-
                 /  "," / ";" / ":" / "\" / <">  ;  string, to use
                 /  "." / "[" / "]"              ;  within a word.
     sub-domain  =  domain-ref / domain-literal
     text        =  <any CHAR, including bare    ; => atoms, specials,
                     CR & bare LF, but NOT       ;  comments and
                     including CRLF>             ;  quoted-strings are
                                                 ;  NOT recognized.
     time        =  hour zone                    ; ANSI and Military
     trace       =    return                     ; path to sender
                    1*received                   ; receipt tags
     user-defined-field =
                   <Any field which has not been defined
                    in this specification or published as an
                    extension to this specification; names for
                    such fields must be unique and may be
                    pre-empted by published extensions>
     word        =  atom / quoted-string




     August 13, 1982              - 46 -                      RFC #822
 

 
     Standard for ARPA Internet Text Messages


     zone        =  "UT"  / "GMT"                ; Universal Time
                                                 ; North American : UT
                 /  "EST" / "EDT"                ;  Eastern:  - 5/ - 4
                 /  "CST" / "CDT"                ;  Central:  - 6/ - 5
                 /  "MST" / "MDT"                ;  Mountain: - 7/ - 6
                 /  "PST" / "PDT"                ;  Pacific:  - 8/ - 7
                 /  1ALPHA                       ; Military: Z = UT;
     <">         =  <ASCII quote mark>           ; (     42,      34.)











































     August 13, 1982              - 47 -                      RFC #822