̾??

mailaddr —

?᡼?륢?ɥ쥹?β???

????

?᡼?륢?ɥ쥹?ϡ????Υޥ˥奢???ڡ????κǸ??????󤹤롢???󥿡??ͥåȤ? ?ץ??ȥ????˴??Ť??Ƥ??ޤ??????????Υ??ɥ쥹??????Ū?ʽ???

user@domain

?˽????ޤ??? ?????? domain ?ϥɥåȤǶ??ڤ??줿????Ū?ʥ??֥ɥᥤ???Υꥹ?ȤǤ??? ?㤨?С??????????????ɥ쥹?ϰʲ????̤??Ǥ???

eric@CS.Berkeley.EDU

???ɥ쥹ɽ???Τ????????̷????Ȱۤʤꡢ???????ɥᥤ???ˤϷ?ϩ?????? ???Ƥΰ?̣???????????ޤ????? ?????椨?????Υ??ɥ쥹?????󥿡??ͥåȤΥ??ɥ쥹?Ȥ??ƻ??ꤵ?줿?????Ǥ⡢ ?⤷¾?η?ϩ?????????ؤ??ä?????ΨŪ???ä??ꤹ???????ϡ??᡼???? ?????????̤??ޤ??? ?㤨?С?Berkeley ???????Ǥϡ????Υ??ɥ쥹?????ꤷ?????å??????? Berkeley ?Υ??󥿡??ͥåȥ????ȥ????????̤餺???????餯???????ͥåȤ? ?̤???ľ?? CS ?عԤ??Ǥ??礦??

??ά

???????ξ??????ˤ????Ƥϴ????ʥɥᥤ??̾?????ꤹ??ɬ?פϤ????ޤ????? ????Ū?ˡ??????Υ??ɥ쥹?κǽ??ΥɥåȤ?????????ʬ???????ʤ??? ???å???????ȯ?????褦?Ȥ??Ƥ?????????Ʊ???ɥᥤ???Ǥ????????ϡ? ?ɥåȰʹߤΤ??٤Ƥ???ά???ƹ????ޤ????? ?㤨?С?``calder.berkeley.edu'' ?˽?°?????桼???ϡ?????¦?ȼ???¦?? ?ۥ??Ȥ?Ʊ???Ǥ??뤿?ᡢ``berkeley.edu'' ???Ĥ????? ``eric@CS'' ?? ???å??????????뤳?Ȥ??Ǥ??ޤ???

?ߴ???

???????θŤ????ɥ쥹?ν񼰤ϰ????Υ᡼?륷???ƥ??˸ߴ??ˤʤ??褦?? ???????񼰤??Ѵ??????ޤ????äˡ?

user@host

user@host.domain

?Ϥ??Τޤ޿??????񼰤Ǥ????????ޤ?????

host.domain!user

user@host.domain

???Ѵ????졢

host!user

user@host.UUCP

???Ѵ??????ޤ???

???????̾?Ť??????? UUCP ?ۥ??ȤȤθߴ??????ݤĤ????ˡ? ?????????????? ``host!user'' ?????˵??Ѵ??????ޤ???

??ʸ???Ⱦ?ʸ???ζ???

?ɥᥤ??̾ (???ʤ?????``@'' ?????θ??ˤ??뤹?٤?) ?ϡ?UUCP ?ۥ???̾?? ?㳰?Ȥ??ơ???ʸ???Ⱦ?ʸ?????ɤΤ褦?˺????Ƥ⹽???ޤ????? ¿???Υۥ??Ȥϥ桼??̾????ʸ???Ⱦ?ʸ?????ɤΤ褦?˺????ƻȤä??????? ?????դ??ޤ???????̾???㳰?Ȥ??Ƥ? MULTICS ?????Ȥ??????ޤ???

??ϩ?Ĥ????ɥ쥹

???????ξ??????Ǥϡ????å????????ǽ?Ū?????????˹Ԥ??夫???뤿???? ?????Ĥ??Υۥ??Ȥ???ͳ?ϤȤ??ƻ??ꤹ?뤳?Ȥ?;???ʤ??????뤳?Ȥ? ???뤫?⤷???ޤ????? ?̾盧?η?ϩ?????ϼ?ưŪ?˹Ԥ????ޤ????? ???å??????η?ϩ????ư?ǻ??ꤷ??????˾?ޤ??????????????????ޤ??? ???????Υ??졼?򼨤????ɥ쥹?ϡַ?ϩ?Ĥ????ɥ쥹(route-addr)?פȸƤФ??ޤ??? ???????ϰʲ??ι?ʸ?˽????ޤ???

<@hosta,@hostb:user@hostc>

???????ϡ????å????????ޤ? hosta ???????졢???????? hostb ?ء??????? ?Ǹ??? hostc ?????????뤳?Ȥ򼨤??ޤ??? ???η?ϩ?ϡ?hostc ?ؤΤ?????ΨŪ?ʷ?ϩ??¸?ߤ????????Ǥ⡢?????????ޤ???

??ϩ?Ĥ????ɥ쥹?ϥ꥿???󥢥ɥ쥹?ˤ??Ф???ɽ???ޤ??? ?????ϡ????㡢?ƥۥ??Ȥˤ????ƥ??եȥ?????????Ƭ?? ??ϩ???????դ??ä??뤿???Ǥ??? ?ºݤ????????????̤??뤿???ˡ????ɥ쥹?? ``user@hostc'' ??ʬ???????? ???٤Ƥ???ʬ??̵?뤹?뤳?Ȥ??Ǥ????Τ??????Ǥ???

[????: route-addr ??ʸ?ϡ????Ѥ??ʤ??褦?? RFC 1123 ?Ǹ??????????????Ƥ????Τ? ???Ѥ????٤??ǤϤ????ޤ?????]

????ñ???ʷ?ϩ?????Τ????ˡ?¿???Υ????Ȥϡ֥ѡ??????ȥϥå??פ? ???ݡ??Ȥ??Ƥ??ޤ???

user%hostc%hostb@hosta

?ϡ????????˼??????Τ?Ʊ????ϩ???̤ä??????????ޤ???

?ݥ??ȥޥ???

???٤ƤΥ????Ȥϡ??᡼?륷???ƥ??˴ؤ????????????????????Ǥ??? ``postmaster'' ?Ȥ???̾???Υ桼???????桼???ؤΥ????ꥢ???? ??????ɬ?פ??????ޤ???

????¾?Υͥåȥ??

¾?Υͥåȥ???Τ????ΰ????ˤϡ????Υͥåȥ????̾???? ?ɥᥤ???κǸ??ι??????ǤȤ???Ϳ???뤳?Ȥˤ??äơ? ???å????????Ϥ??뤳?ȤΤǤ??????Τ⤢???ޤ??? ?????? ɸ???ε?ǽ?ǤϤʤ? ?Τǡ????٤ƤΥ????Ȥǥ??ݡ??Ȥ????Ƥ????櫓?ǤϤʤ??Ǥ??礦?? ?㤨?С?CSNET ?? BITNET ?Υ????ȤؤϤ??줾?? ``user@host.CSNET'' ?? ``user@host.BITNET'' ?Ȥ????????Ǥ??뤳?Ȥ????Ф??ФǤ???

??Ϣ????

mail(1), sendmail(8) Crocker, D. H., Standard for the Format of Arpa Internet Text Messages, RFC822.

????

mailaddr ?ޥ˥奢???ڡ????? 4.2BSD ?????о줷?ޤ?????

?Х?

RFC822 ?Υ??롼?׹?ʸ (``group:user1,user2,user3;'') ?ϡ? ?Ť? berknet ?????????Υ??ɥ쥹?Ⱦ??ͤ??뤿?ᡢ ``group:;'' ?Ȥ??????̤ʾ??????????ƥ??ݡ??Ȥ????Ƥ??ޤ?????

??ϩ?Ĥ????ɥ쥹??ʸ?????????Ǥ???

UUCP ???? Internet ???Υ??ɥ쥹???鵷????????¸?Ǥ??ޤ?????