{"id":8108,"date":"2022-03-31T09:56:56","date_gmt":"2022-03-31T02:56:56","guid":{"rendered":"https:\/\/hostify.vn\/blog\/?p=8108"},"modified":"2022-03-31T09:56:56","modified_gmt":"2022-03-31T02:56:56","slug":"dkim-la-gi-huong-dan-tao-ban-ghi-dkim","status":"publish","type":"post","link":"https:\/\/www.hostify.vn\/blog\/dkim-la-gi-huong-dan-tao-ban-ghi-dkim\/","title":{"rendered":"Dkim l\u00e0 g\u00ec? H\u01b0\u1edbng d\u1eabn t\u1ea1o b\u1ea3n ghi Dkim"},"content":{"rendered":"<p><strong>Hi\u1ec7n nay DKIM l\u00e0 b\u1ea3n ghi \u0111\u01b0\u1ee3c m\u1ed9t s\u1ed1 nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 mail nh\u01b0 Gmail, Hotmail \u2026 s\u1eed d\u1ee5ng nhi\u1ec1u nh\u1ea5t. V\u1eady <a href=\"https:\/\/hostify.vn\/blog\/dkim-la-gi-huong-dan-tao-ban-ghi-dkim\/\" target=\"_blank\" rel=\"noopener\">DKIM l\u00e0 g\u00ec? T\u1ea1o b\u1ea3ng ghi DKIM ra sao?<\/a> Ch\u00fang ta s\u1ebd c\u00f9ng nhau t\u00ecm hi\u1ec3u trong b\u00e0i vi\u1ebft n\u00e0y nh\u00e9!<\/strong><\/p>\n<div id=\"attachment_8194\" style=\"width: 776px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-8194\" class=\"wp-image-8194 size-full\" title=\"Dkim l\u00e0 g\u00ec? H\u01b0\u1edbng d\u1eabn t\u1ea1o b\u1ea3n ghi DKIM\" src=\"https:\/\/www.hostify.vn\/blog\/wp-content\/uploads\/2022\/03\/DKIM-1.webp\" alt=\"Dkim l\u00e0 g\u00ec? H\u01b0\u1edbng d\u1eabn t\u1ea1o b\u1ea3n ghi DKIM\" width=\"766\" height=\"632\" srcset=\"https:\/\/www.hostify.vn\/blog\/wp-content\/uploads\/2022\/03\/DKIM-1.webp 766w, https:\/\/www.hostify.vn\/blog\/wp-content\/uploads\/2022\/03\/DKIM-1-300x248.webp 300w\" sizes=\"auto, (max-width: 766px) 100vw, 766px\" \/><p id=\"caption-attachment-8194\" class=\"wp-caption-text\">Dkim l\u00e0 g\u00ec?<\/p><\/div>\n<h2><strong>DKIM l\u00e0 g\u00ec?<\/strong><\/h2>\n<p>DKIM (vi\u1ebft t\u1eaft c\u1ee7a Domain Keys Identified Mail) l\u00e0 m\u1ed9t ph\u01b0\u01a1ng th\u1ee9c gi\u00fap x\u00e1c nh\u1eadn c\u00e1c email th\u00f4ng qua ch\u1eef k\u00fd s\u1ed1 c\u1ee7a mi\u1ec1n g\u1eedi th\u01b0, vi\u1ec7c n\u00e0y gi\u00fap tr\u00e1nh email gi\u1ea3 m\u1ea1o. M\u1ee5c \u0111\u00edch ch\u00ednh c\u1ee7a DKIM \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf ra l\u00e0 \u0111\u1ec3 ng\u01b0\u1eddi nh\u1eadn c\u00f3 th\u1ec3 x\u00e1c \u0111\u1ecbnh mail \u0111\u1ebfn t\u1eeb t\u00ean mi\u1ec1n c\u1ee5 th\u1ec3 n\u00e0o, t\u00ean mi\u1ec1n \u0111\u00f3 th\u1eadt kh\u00f4ng? C\u00f3 \u0111\u01b0\u1ee3c \u1ee7y quy\u1ec1n hay kh\u00f4ng?<\/p>\n<p>Danh s\u00e1ch nh\u1eefng m\u00e1y ch\u1ee7 (server) s\u1eed d\u1ee5ng \u0111\u1ec3 g\u1eedi email \u0111\u01b0\u1ee3c th\u00f4ng b\u00e1o trong b\u1ea3ng ghi c\u1ee7a DNS d\u01b0\u1edbi d\u1ea1ng b\u1ea3ng ghi t\u00ean l\u00e0 TXT.<\/p>\n<p>V\u00ed d\u1ee5:<\/p>\n<p>Code:\u00a0<strong>DKIM-Signature: v=1; a=rsa-sha256; c=simple\/simple; d=mycompany.com; s=sitec; t=1250425543;<\/strong><\/p>\n<p>bh=qQxSOEYYHCCISqVJ6pi\/vUuNCr0EqMNkRSnD0B0TNFQ=;<\/p>\n<p>h=Message-ID:From:To:Subject: Date:MIME-Version:Content-Type;<\/p>\n<p>b=aiL+F+rqOdVxmR1V0bdfwsVOvMpwv1eMcCrX5I2C6U9CX+mkyepL3t0PwkW8pLSFc<\/p>\n<p>CpJ5NvsBGqgOK4f2h89IubyYMFU0BkqZmtlBFlL+wyximVXLtHxO95WOxJX380tCet<\/p>\n<p>XwofYIOK7tx45K41hG4T7+5ylNSuO1HHMpM\/WfOM=<\/p>\n<p><strong>Trong \u0111\u00f3:<\/strong><\/p>\n<ul>\n<li>phi\u00ean b\u1ea3n DKIM (<strong>v<\/strong>)<\/li>\n<li>thu\u1eadt to\u00e1n k\u00fd (<strong>a<\/strong>)<\/li>\n<li>thu\u1eadt to\u00e1n chu\u1ea9n h\u00f3a x\u00e2u k\u00fd t\u1ef1 \u0111\u01b0a \u0111i k\u00fd (<strong>c<\/strong>)<\/li>\n<li>t\u00ean mi\u1ec1n k\u00fd (<strong>d<\/strong>)<\/li>\n<li>t\u00ean c\u1eb7p kh\u00f3a, hay c\u00f2n g\u1ecdi l\u00e0 selector (<strong>s<\/strong>)<\/li>\n<li>d\u1ea5u \u1ea5n th\u1eddi gian (<strong>t<\/strong>)<\/li>\n<li>th\u1eddi h\u1ea1n hi\u1ec7u l\u1ef1c c\u1ee7a ch\u1eef k\u00fd (<strong>x<\/strong>)<\/li>\n<li>ph\u01b0\u01a1ng th\u1ee9c truy v\u1ea5n \u0111\u1ec3 l\u1ea5y kh\u00f3a c\u00f4ng khai (<strong>q<\/strong>)<\/li>\n<li>danh s\u00e1ch c\u00e1c tr\u01b0\u1eddng c\u1ee7a ph\u1ea7n \u0111\u1ea7u th\u01b0 \u0111\u01b0\u1ee3c k\u00fd (<strong>h<\/strong>)<\/li>\n<li>\u0111\u1ed9 d\u00e0i ph\u1ea7n th\u00e2n th\u01b0 \u0111\u01b0\u1ee3c k\u00fd (<strong>l<\/strong>)<\/li>\n<li>gi\u00e1 tr\u1ecb hash c\u1ee7a n\u1ed9i dung \u0111\u01b0\u1ee3c k\u00fd (<strong>bh<\/strong>)<\/li>\n<li>ch\u1eef k\u00fd (<strong>b<\/strong>)<\/li>\n<\/ul>\n<h2>DKIM ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o?<\/h2>\n<p>DKIM cung c\u1ea5p cho hai ho\u1ea1t \u0111\u1ed9ng ri\u00eang bi\u1ec7t l\u00e0:<strong>\u00a0ch\u1eef k\u00fd v\u00e0 x\u00e1c minh.<\/strong> M\u1ed9t trong s\u1ed1 \u0111\u00f3 ch\u00fang c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c x\u1eed l\u00fd b\u1edfi m\u1ed9t m\u00f4-\u0111un c\u1ee7a m\u1ed9t t\u00e1c nh\u00e2n chuy\u1ec3n th\u01b0 (MTA).<\/p>\n<p><strong>T\u00f9y v\u00e0o h\u1ec7 th\u1ed1ng Mail server kh\u00e1c nhau th\u00ec s\u1ebd c\u00f3 h\u01b0\u1edbng d\u1eabn kh\u00e1c nhau v\u1ec1 c\u1ea5u h\u00ecnh DKIM \u1edf ph\u00eda server, nh\u01b0ng h\u1ea7u h\u1ebft \u0111\u1ec1u ph\u1ea3i th\u1ef1c hi\u1ec7n c\u00e1c b\u01b0\u1edbc:<\/strong><\/p>\n<p><strong>B\u01b0\u1edbc 1:<\/strong>\u00a0Sinh ra c\u1eb7p kh\u00f3a private\/public, c\u00f3 nhi\u1ec1u ph\u1ea7n m\u1ec1m h\u1ed7 tr\u1ee3 vi\u1ec7c n\u00e0y (v\u00ed d\u1ee5: OpenSSL)<\/p>\n<p><strong>B\u01b0\u1edbc 2:\u00a0<\/strong>\u00a0\u0110\u01b0a kh\u00f3a Public l\u00ean khai b\u00e1o b\u1ea3n ghi TXT tr\u00ean DNS theo \u0111\u00fang domain g\u1eedi email.<\/p>\n<p><strong>B\u01b0\u1edbc 3:<\/strong> C\u1ea5u h\u00ecnh Mail server s\u1eed d\u1ee5ng kh\u00f3a private \u0111\u1ec3 k\u00fd v\u00e0o email tr\u01b0\u1edbc khi g\u1eedi email. Kh\u00f3a n\u00e0y ch\u1ec9 l\u01b0u tr\u00ean Mail server n\u00ean kh\u00f4ng th\u1ec3 gi\u1ea3 m\u1ea1o \u0111\u01b0\u1ee3c.<\/p>\n<p><strong>X\u1eed l\u00fd \u1edf b\u00ean nh\u1eadn<\/strong><\/p>\n<p><strong>B\u01b0\u1edbc 1:<\/strong>\u00a0 Nh\u1eadn \u0111\u01b0\u1ee3c mail t\u1eeb b\u00ean g\u1eedi v\u00e0 th\u1ea5y email c\u00f3 th\u00f4ng \u0111i\u1ec7p \u0111\u01b0\u1ee3c m\u00e3 h\u00f3a do c\u1ea5u h\u00ecnh <strong>DKIM.<\/strong><\/p>\n<p><strong>B\u01b0\u1edbc 2:<\/strong>\u00a0 Query DNS \u0111\u1ec3 l\u1ea5y kh\u00f3a public c\u1ee7a domain b\u00ean g\u1eedi \u0111\u1ec3 gi\u1ea3i m\u00e3, n\u1ebfu gi\u1ea3i m\u00e3 \u0111\u00fang th\u00ec x\u00e1c nh\u1eadn ngu\u1ed3n g\u1eedi v\u00e0 email \u0111\u1ea3m b\u1ea3o, ng\u01b0\u1ee3c l\u1ea1i s\u1ebd t\u00f9y ch\u00ednh s\u00e1ch c\u1ee7a b\u00ean nh\u1eadn \u0111\u1ec3 t\u1eeb ch\u1ed1i ho\u1eb7c nh\u1eadn email.<\/p>\n<h2>C\u00e1ch t\u1ea1o b\u1ea3n ghi DKIM<\/h2>\n<div id=\"attachment_8203\" style=\"width: 785px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-8203\" class=\"wp-image-8203 size-full\" title=\"Dkim l\u00e0 g\u00ec? H\u01b0\u1edbng d\u1eabn t\u1ea1o b\u1ea3n ghi DKIM\" src=\"https:\/\/www.hostify.vn\/blog\/wp-content\/uploads\/2022\/03\/tao-ban-ghi-DKIM.png\" alt=\"Dkim l\u00e0 g\u00ec? H\u01b0\u1edbng d\u1eabn t\u1ea1o b\u1ea3n ghi Dkim\" width=\"775\" height=\"403\" srcset=\"https:\/\/www.hostify.vn\/blog\/wp-content\/uploads\/2022\/03\/tao-ban-ghi-DKIM.png 775w, https:\/\/www.hostify.vn\/blog\/wp-content\/uploads\/2022\/03\/tao-ban-ghi-DKIM-300x156.png 300w, https:\/\/www.hostify.vn\/blog\/wp-content\/uploads\/2022\/03\/tao-ban-ghi-DKIM-768x399.png 768w\" sizes=\"auto, (max-width: 775px) 100vw, 775px\" \/><p id=\"caption-attachment-8203\" class=\"wp-caption-text\">C\u00e1ch t\u1ea1o b\u1ea3n ghi DKIM<\/p><\/div>\n<p>B\u1ea1n c\u00f3 th\u1ec3 t\u1ea1o <strong>b\u1ea3n ghi DKIM<\/strong> b\u1eb1ng c\u00e1ch nh\u01b0 sau :<\/p>\n<p><strong>B\u01b0\u1edbc 1:<\/strong> Truy c\u1eadp v\u00e0o\u00a0<strong>Admin Console c\u1ee7a Google &gt; Apps &gt; Google Apps &gt; Gmail &gt; Setup DKIM<\/strong><\/p>\n<p><strong>B\u01b0\u1edbc 2<\/strong>: Nh\u1ea5p v\u00e0o\u00a0<strong>Generate new record<\/strong>\u00a0v\u00e0 ch\u1ecdn\u00a0<strong>Prefix selector l\u00e0 google,\u00a0<\/strong>sau \u0111\u00f3 ch\u1ecdn\u00a0<strong>Generate<\/strong><br \/>\nB\u1ea1n s\u1ebd ch\u1ecdn 1 trong 2 lo\u1ea1i b\u1ea3n ghi DKIM:<\/p>\n<ul>\n<li>DKIM 1024: Nhi\u1ec1u nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 DNS h\u1ed7 tr\u1ee3. (Khuy\u1ebfn ngh\u1ecb n\u1ebfu s\u1eed d\u1ee5ng nh\u00e0 cung c\u1ea5p DNS \u1edf Vietnam)<\/li>\n<li>DKIM 2048: \u00cdt nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 DNS h\u1ed7 tr\u1ee3, nh\u01b0ng b\u1ea3o m\u1eadt cao h\u01a1n DKIM 1024 bit.<\/li>\n<\/ul>\n<p>Truy c\u1eadp v\u00e0o trang qu\u1ea3n tr\u1ecb DNS v\u00e0 th\u00eam v\u00e0o 1 TXT records m\u00e0 Google v\u1eeba t\u1ea1o, t\u01b0\u01a1ng t\u1ef1 nh\u01b0 h\u00ecnh<\/p>\n<p>B\u1ea3n ghi DKIM c\u1ea7n c\u1ea5u h\u00ecnh tr\u00ean DNS s\u1ebd c\u00f3 gi\u00e1 tr\u1ecb nh\u01b0 sau:<\/p>\n<p><strong>Type: TXT<\/strong><br \/>\n<strong>Host\/name: google._domainkey<\/strong><br \/>\n<strong>Value: *Gi\u00e1 tr\u1ecb m\u00e0 qu\u1ea3n tr\u1ecb vi\u00ean v\u1eeba kh\u1edfi t\u1ea1o*<\/strong><\/p>\n<p><strong>B\u01b0\u1edbc 3<\/strong>: Sau khi b\u1ea1n c\u1eadp nh\u1eadt b\u1ea3n ghi TXT tr\u00ean trang qu\u1ea3n tr\u1ecb DNS t\u00ean mi\u1ec1n c\u1ee7a b\u1ea1n<\/p>\n<p>Ch\u00fac c\u00e1c b\u1ea1n th\u00e0nh c\u00f4ng nh\u00e9!<\/p>\n<ul>\n<li><strong>Website:\u00a0<a href=\"https:\/\/www.hostify.vn\/\">Hostify.vn<\/a><\/strong><\/li>\n<li><strong>Li\u00ean h\u1ec7 Kinh doanh:\u00a0<a href=\"tel:02471012369\">0247 10 12 369<\/a><\/strong><\/li>\n<li><strong>Facebook:\u00a0<a href=\"https:\/\/www.facebook.com\/hostify.vn\" target=\"_blank\" rel=\"noopener\">https:\/\/www.facebook.com\/hostify.vn<\/a><\/strong><\/li>\n<\/ul>\n<p>Xem th\u00eam: <a href=\"https:\/\/hostify.vn\/blog\/cai-dat-email-pop3-imap-tren-iphone\/\" target=\"_blank\" rel=\"noopener\">C\u00e0i \u0111\u1eb7t email POP3, IMAP tr\u00ean IOS<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Hi\u1ec7n nay DKIM l\u00e0 b\u1ea3n ghi \u0111\u01b0\u1ee3c m\u1ed9t s\u1ed1 nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 mail nh\u01b0 Gmail, Hotmail \u2026 s\u1eed d\u1ee5ng nhi\u1ec1u nh\u1ea5t. V\u1eady DKIM l\u00e0 g\u00ec? T\u1ea1o b\u1ea3ng ghi DKIM ra sao? Ch\u00fang ta s\u1ebd c\u00f9ng nhau t\u00ecm hi\u1ec3u trong b\u00e0i vi\u1ebft n\u00e0y nh\u00e9! DKIM l\u00e0 g\u00ec? DKIM (vi\u1ebft t\u1eaft c\u1ee7a Domain Keys Identified&#8230;<\/p>\n","protected":false},"author":1,"featured_media":8194,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[143],"tags":[363,364],"class_list":["post-8108","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-kienthuckhac-email","tag-cach-tao-ban-ghi-dkim","tag-dkim-la-gi-huong-dan-tao-ban-ghi-dkim"],"_links":{"self":[{"href":"https:\/\/www.hostify.vn\/blog\/wp-json\/wp\/v2\/posts\/8108","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.hostify.vn\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.hostify.vn\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.hostify.vn\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.hostify.vn\/blog\/wp-json\/wp\/v2\/comments?post=8108"}],"version-history":[{"count":0,"href":"https:\/\/www.hostify.vn\/blog\/wp-json\/wp\/v2\/posts\/8108\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.hostify.vn\/blog\/wp-json\/wp\/v2\/media\/8194"}],"wp:attachment":[{"href":"https:\/\/www.hostify.vn\/blog\/wp-json\/wp\/v2\/media?parent=8108"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.hostify.vn\/blog\/wp-json\/wp\/v2\/categories?post=8108"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.hostify.vn\/blog\/wp-json\/wp\/v2\/tags?post=8108"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}