{"id":4318,"date":"2026-07-22T07:00:00","date_gmt":"2026-07-21T22:00:00","guid":{"rendered":"https:\/\/litcoder.com\/?p=4318"},"modified":"2026-07-13T10:11:36","modified_gmt":"2026-07-13T01:11:36","slug":"gmail%ec%9d%98-sub-addressing-%ea%b8%b0%eb%8a%a5%ea%b3%bc-%ed%99%9c%ec%9a%a9","status":"publish","type":"post","link":"https:\/\/litcoder.com\/?p=4318","title":{"rendered":"Gmail\uc758 Sub-addressing \uae30\ub2a5\uacfc \ud65c\uc6a9"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">\uac70\uc758 \ubaa8\ub4e0 \uc778\ud130\ub137 \uc11c\ube44\uc2a4\ub4e4\uc774 \uc5f0\ub77d\ucc98\ub85c email \uc8fc\uc18c\ub97c \uae30\uc785\ud558\ub77c\uace0 \uc694\uad6c\ud55c\ub2e4. \ub54c\ub85c\ub294 \uac00\uc785\ud558\ub294 \uc11c\ube44\uc2a4\uc5d0 \ub530\ub77c \uc11c\ub85c \ub2e4\ub978 \uc774\uba54\uc77c\uc744 \uc0dd\uc131\ud558\uace0 \uac00\uc785\ud558\uae30\ub3c4 \ud558\ub294\ub370, \uc774\ub7ec\ub2e4 \ubcf4\uba74 \uc5b4\ub290\uc0c8 \uc218 \ub9ce\uc740 \uc774\uba54\uc77c \uacc4\uc815\ub4e4\uc744 \uc0c8\ub85c \ub9cc\ub4e4\uc5b4\uc57c \ud558\uace0 \uad00\ub9ac\uac00 \ubd88\uac00\ub2a5\ud55c \uc9c0\uacbd\uc5d0 \uc774\ub974\uac8c \ub420 \uc218\ub3c4 \uc788\ub2e4. \uc774 \ud3ec\uc2a4\ud305\uc5d0\uc11c\ub294 \ubcc4\ub3c4\uc758 \uc124\uc815 \uc5c6\uc774 Gmail \uc8fc\uc18c\ub97c \uc5ec\ub7ec\uac1c\ub85c \ud655\uc7a5\ud558\uc5ec \uc218\uc2e0 \uba54\uc77c\uc744 \ub77c\ubca8\ub9c1\ud558\uace0, \ud544\ud130\ub9c1\ud560 \uc218 \uc788\ub294\u00a0<strong>\uc11c\ube0c\uc5b4\ub4dc\ub808\uc2f1(Sub-addressing)<\/strong>\uc5d0 \ub300\ud574 \uc815\ub9ac\ud574\ubcf8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Mechanism: \ud50c\ub7ec\uc2a4(+)\uc640 \uc810(.)\uc758 \ucc98\ub9ac \ubc29\uc2dd<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Gmail\uc744 \ube44\ub86f\ud55c \ub9ce\uc740 \uc11c\ube44\uc2a4 \ub4e4\uc774 <a href=\"https:\/\/datatracker.ietf.org\/doc\/html\/rfc5233\" data-type=\"link\" data-id=\"https:\/\/datatracker.ietf.org\/doc\/html\/rfc5233\">RFC 5233 <\/a>\ub97c \uc9c0\uc6d0\ud55c\ub2e4. Gmail \uc11c\ubc84\uc758 \uacbd\uc6b0 \uc218\uc2e0 \uc8fc\uc18c\uc758 \ub85c\uceec \ud30c\ud2b8\uc5d0\uc11c \ud2b9\uc815 \ubb38\uc790\ub97c \ucc98\ub9ac\ud560 \ub54c \ub2e4\uc74c\uacfc \uac19\uc740 \uaddc\uce59\uc744 \ub530\ub978\ub2e4.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>The Plus (+) Operator<\/strong>:&nbsp;<code>username+keyword@gmail.com<\/code>&nbsp;\ud615\uc2dd\uc73c\ub85c \uc0ac\uc6a9\ud558\uba70, \uc11c\ubc84\ub294&nbsp;<code>+<\/code>&nbsp;\uc774\ud6c4\uc758 \ubb38\uc790\uc5f4\uc744 \ubb34\uc2dc\ud558\uace0 \uc6d0\ubcf8 \uc8fc\uc18c\uc778&nbsp;<code>username@gmail.com<\/code>\uc73c\ub85c \ub77c\uc6b0\ud305\ud55c\ub2e4.<\/li>\n\n\n\n<li><strong>The Dot (.) Neutrality<\/strong>: \ub85c\uceec \ud30c\ud2b8 \ub0b4\uc758 \ub9c8\uce68\ud45c\ub294 \ubb34\uc2dc\ub41c\ub2e4. \uc989,\u00a0<code>user.name@<\/code>\uc640\u00a0<code>username@<\/code>\uc740 \ub17c\ub9ac\uc801\uc73c\ub85c \ub3d9\uc77c\ud55c \uc5d4\ub4dc\ud3ec\uc778\ud2b8\ub97c \uac00\ub9ac\ud0a8\ub2e4.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\ud65c\uc6a9\ud558\uae30<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">\uc778\ud504\ub77c \ubaa8\ub2c8\ud130\ub9c1 \ubd84\ub958<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\uc2dc\uc2a4\ud15c \ubaa8\ub2c8\ud130\ub9c1 \uc6a9\ub3c4\ub85c \uc11c\ube44\uc2a4 \ubcc4 \uc8fc\uc18c\ub97c \ubd84\ub9ac\ud558\uba74 \ud544\ud130\ub9c1\uc744 \ud3b8\ud558\uac8c \ud560 \uc218 \uc788\ub2e4. \ub9e4\ubc88 \uc6a9\ub3c4\uc5d0 \ub530\ub77c \uc0c8\ub85c\uc6b4 email \uc8fc\uc18c\ub97c \ub9cc\ub4dc\ub294 \uac83\uc774 \uc544\ub2c8\ub77c, plus operator\ub97c \uc0ac\uc6a9\ud574\uc11c \ud574\ub2f9 \uc8fc\uc18c\ub85c \ub4e4\uc5b4\uc624\ub294 \uac83\ub4e4\uc740 \ubcc4\ub3c4\ub85c \ud544\ud130\ub9c1\uc744 \uc218\ud589\ud558\ub294 \uac83\uc774\ub2e4. \uc608\ub97c \ub4e4\uc5b4 GitHub\uc5d0\uc11c \uc624\ub294 noti \uc774\uba54\uc77c\uc744 \ubcc4\ub3c4\ub85c \uad00\ub9ac\ud574\uc11c \uc790\ub3d9\uc73c\ub85c \ub77c\ubca8\uc744 \ubd99\uc774\uace0 \uc2f6\ub2e4\uba74 \ub2e4\uc74c\uacfc \uac19\uc774 +\uac00\ubd99\uc740 \uc0c8\ub85c\uc6b4 \uc774\uba54\uc77c \uc8fc\uc18c(\uacc4\uc815+github@gmail.com)\uc744 GitHub\uc5d0 \ub4f1\ub85d\ud558\uace0 Gmail\uc5e3 filtering\uc5d0\uc11c label\uc744 \uc120\ud0dd\ud574\uc8fc\uba74 \uc790\ub3d9\uc73c\ub85c \ub77c\ubca8\uc744 \ubd99\uc774\ub3c4\ub85d \ud560 \uc218 \uc788\ub2e4.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"721\" height=\"606\" src=\"https:\/\/litcoder.com\/wp-content\/uploads\/2026\/05\/plus_addressing_filter.png\" alt=\"\" class=\"wp-image-4515\" style=\"width:400px\" srcset=\"https:\/\/litcoder.com\/wp-content\/uploads\/2026\/05\/plus_addressing_filter.png 721w, https:\/\/litcoder.com\/wp-content\/uploads\/2026\/05\/plus_addressing_filter-300x252.png 300w, https:\/\/litcoder.com\/wp-content\/uploads\/2026\/05\/plus_addressing_filter-624x524.png 624w\" sizes=\"auto, (max-width: 721px) 100vw, 721px\" \/><\/figure>\n<\/div>\n\n\n<h4 class=\"wp-block-heading\">\uac1c\ubc1c \ub2e8\uacc4\uc758 \uba40\ud2f0 \uacc4\uc815 \ud14c\uc2a4\ud2b8<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">OAuth \uac00\uc785 \ub85c\uc9c1\uc774\ub098 \uc774\uba54\uc77c \uc778\uc99d \uc6cc\ud06c\ud50c\ub85c\uc6b0\ub97c \ud14c\uc2a4\ud2b8\ud560 \ub54c \ub9e4\ubc88 \uc0c8\ub85c\uc6b4 \uacc4\uc815\uc744 \uc0dd\uc131\ud558\ub294 \uac83\ubcf4\ub2e4\ub294 <code>user+test01<\/code>,\u00a0<code>user+test02<\/code>\uc640 \uac19\uc740 \uac00\uc0c1 \uc8fc\uc18c\ub97c \uc0ac\uc6a9\ud558\uba74 \ud558\ub098\uc758 \uba54\uc77c\ud568 \ub0b4\uc5d0\uc11c \uc0c1\ud0dc\ubcc4 \ud14c\uc2a4\ud2b8 \ub370\uc774\ud130\ub97c \uaca9\ub9ac\ud558\uc5ec \uac80\uc99d\ud560 \uc218\ub3c4 \uc788\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\uc720\uc758 \uc0ac\ud56d<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">RFC5233\uc744 \uc9c0\uc6d0\ud558\uc9c0 \uc54a\ub294 \uc624\ub798\ub41c \uc2dc\uc2a4\ud15c\uc774\ub098 \uc5c4\uaca9\ud55c \uc815\uaddc\ud45c\ud604\uc2dd \uac80\uc99d\uc744 \uc218\ud589\ud558\ub294 \uc11c\ube44\uc2a4\uc758 \uacbd\uc6b0 &#8220;+&#8221; \uae30\ud638 \uc790\uccb4\uac00 \uc720\ud6a8\ud558\uc9c0 \uc54a\uc740 \ubb38\uc790\ub77c \ud310\ub2e8\ud558\uace0 \uac70\ubd80\ud560 \uc218\ub3c4 \uc788\ub2e4\ub294 \uc810\uc740 \uc54c\uc544\ub450\uc790.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uadf8\ub9ac\uace0 \ud68c\uc0ac\uc5d0\uc11c\ub294 &#8220;<strong>\uc774\ub984.\uc131@\ud68c\uc0ac\ub3c4\uba54\uc778<\/strong>&#8221; \ud615\uc2dd\uc73c\ub85c \uc774\uba54\uc77c\uc744 \uc0dd\uc131\uaddc\uce59\uc744 \uc801\uc6a9\ud558\ub294 \uacbd\uc6b0\uac00 \ub9ce\uc544\uc11c dot neutrality \uae30\ub2a5\uc740 \uc0c1\ud669\uc5d0 \ub530\ub77c \ube44\ud65c\uc131\ud654 \uc2dc\ucf1c\ub450\ub294 \uacf3\ub3c4 \uc788\ub2e4.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\uac70\uc758 \ubaa8\ub4e0 \uc778\ud130\ub137 \uc11c\ube44\uc2a4\ub4e4\uc774 \uc5f0\ub77d\ucc98\ub85c email \uc8fc\uc18c\ub97c \uae30\uc785\ud558\ub77c\uace0 \uc694\uad6c\ud55c\ub2e4. \ub54c\ub85c\ub294 \uac00\uc785\ud558\ub294 \uc11c\ube44\uc2a4\uc5d0 \ub530\ub77c \uc11c\ub85c \ub2e4\ub978 \uc774\uba54\uc77c\uc744 \uc0dd\uc131\ud558\uace0 \uac00\uc785\ud558\uae30\ub3c4 \ud558\ub294\ub370, \uc774\ub7ec\ub2e4 \ubcf4\uba74 \uc5b4\ub290\uc0c8 \uc218 \ub9ce\uc740 \uc774\uba54\uc77c \uacc4\uc815\ub4e4\uc744 \uc0c8\ub85c \ub9cc\ub4e4\uc5b4\uc57c \ud558\uace0 \uad00\ub9ac\uac00 \ubd88\uac00\ub2a5\ud55c \uc9c0\uacbd\uc5d0 \uc774\ub974\uac8c \ub420 \uc218\ub3c4 \uc788\ub2e4. \uc774 \ud3ec\uc2a4\ud305\uc5d0\uc11c\ub294 \ubcc4\ub3c4\uc758 \uc124\uc815 \uc5c6\uc774 Gmail \uc8fc\uc18c\ub97c \uc5ec\ub7ec\uac1c\ub85c \ud655\uc7a5\ud558\uc5ec \uc218\uc2e0 \uba54\uc77c\uc744 \ub77c\ubca8\ub9c1\ud558\uace0, \ud544\ud130\ub9c1\ud560 \uc218 \uc788\ub294\u00a0\uc11c\ube0c\uc5b4\ub4dc\ub808\uc2f1(Sub-addressing)\uc5d0 \ub300\ud574 \uc815\ub9ac\ud574\ubcf8\ub2e4. Mechanism: \ud50c\ub7ec\uc2a4(+)\uc640 [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_post_was_ever_published":false},"categories":[6],"tags":[449,446,445,461,125],"class_list":["post-4318","post","type-post","status-publish","format-standard","hentry","category-tools","tag-addressing","tag-email","tag-gmail","tag-rfc","tag-tip"],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/litcoder.com\/index.php?rest_route=\/wp\/v2\/posts\/4318","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/litcoder.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/litcoder.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/litcoder.com\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/litcoder.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=4318"}],"version-history":[{"count":10,"href":"https:\/\/litcoder.com\/index.php?rest_route=\/wp\/v2\/posts\/4318\/revisions"}],"predecessor-version":[{"id":4627,"href":"https:\/\/litcoder.com\/index.php?rest_route=\/wp\/v2\/posts\/4318\/revisions\/4627"}],"wp:attachment":[{"href":"https:\/\/litcoder.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=4318"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/litcoder.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=4318"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/litcoder.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=4318"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}