{"id":299,"date":"2022-04-01T21:41:04","date_gmt":"2022-04-01T14:41:04","guid":{"rendered":"http:\/\/congdong.longvan.net\/?p=299"},"modified":"2022-04-01T21:58:14","modified_gmt":"2022-04-01T14:58:14","slug":"huong-dan-cau-hinh-dns-dich-vu-email","status":"publish","type":"post","link":"https:\/\/longvan.net\/cong-dong\/huong-dan-cau-hinh-dns-dich-vu-email\/","title":{"rendered":"H\u01b0\u1edbng d\u1eabn c\u1ea5u h\u00ecnh DNS d\u1ecbch v\u1ee5 email"},"content":{"rendered":"
\n
    \n
  1. C\u1ea5u h\u00ecnh record A
    <\/strong>T\u1ea1o record A cho ph\u00e9p ng\u01b0\u1eddi d\u00f9ng truy c\u1eadp v\u00e0o webmail th\u00f4ng qua t\u00ean mi\u1ec1n v\u00e0 d\u00f9ng l\u00e0m th\u00f4ng s\u1ed1 c\u1ea5u h\u00ecnh IMAP, SMTP, POP3 tr\u00ean email client.
    V\u00ed d\u1ee5<\/strong>: tr\u1ecf \u0111\u01b0\u1eddng d\u1eabn mail.upfile.vn v\u1ec1 \u0111\u1ecba ch\u1ec9 IP 103.27.238.14
    \"image-1635758578878.png\"<\/li>\n
  2. \n

    C\u1ea5u h\u00ecnh record MX<\/strong>
    \"image-1635759102517.png\"<\/p>\n

      \n
    • \n

      T\u1ea1o record MX gi\u00fap cho email t\u1eeb c\u00e1c t\u00ean mi\u1ec1n kh\u00e1c t\u00ecm \u0111\u1ebfn \u0111\u00fang server email server c\u1ee7a kh\u00e1ch h\u00e0ng.<\/p>\n<\/li>\n

    • HOST: c\u00f3 th\u1ec3 \u0111i\u1ec1n @ ho\u1eb7c t\u00ean domain.<\/li>\n<\/ul>\n<\/li>\n
    • C\u1ea5u h\u00ecnh record TXT SPF
      <\/strong><\/strong>\"image-1635761242848.png\"\n
        \n
      • Record SPF gi\u00fap x\u00e1c th\u1ef1c vi\u1ec7c m\u1ed9t IP \u0111\u01b0\u1ee3c ph\u00e9p g\u1eedi mail t\u1eeb m\u1ed9t t\u00ean mi\u1ec1n, vi\u1ec7c n\u00e0y l\u00e0m t\u0103ng kh\u1ea3 n\u0103ng email v\u00e0o Inbox\u00a0<\/strong>khi g\u1eedi email t\u1edbi c\u00e1c server email kh\u00e1c.<\/li>\n
      • HOST: c\u00f3 th\u1ec3 \u0111i\u1ec1n @ ho\u1eb7c t\u00ean domain.<\/li>\n
      • V\u00ed d\u1ee5<\/strong>: “v=spf1 mx a ip4:103.27.238.14 -all” , cho ph\u00e9p IP 103.27.238.14 \u0111\u01b0\u1ee3c x\u00e1c th\u1ef1c \u0111\u1ec3 g\u1eedi email t\u1eeb t\u00ean mi\u1ec1n upfile.vn<\/li>\n<\/ul>\n<\/li>\n
      • \n

        C\u1ea5u h\u00ecnh record TXT DMARC<\/strong><\/p>\n

          \n
        • \n

          DMARC<\/strong> vi\u1ebft t\u1eaft c\u1ee7a\u00a0Domain-based Message Authentication, Reporting & Conformance l\u00e0 m\u1ed9t ti\u00eau chu\u1ea9n \u0111\u1ec3 ng\u0103n ch\u1eb7n vi\u1ec7c spammer s\u1eed d\u1ee5ng domain c\u1ee7a ng\u01b0\u1eddi s\u1edf h\u1eefu m\u00e0 kh\u00f4ng \u0111\u01b0\u1ee3c ph\u00e9p \u0111\u1ec3 l\u1eeba \u0111\u1ea3o ho\u1eb7c gi\u1ea3 m\u1ea1o th\u00f4ng tin. DMARC s\u1ebd \u0111\u1ea3m b\u1ea3o nh\u1eefng mail gi\u1ea3 m\u1ea1o s\u1ebd b\u1ecb ch\u1eb7n tr\u01b0\u1edbc khi ch\u00fang \u0111\u1ebfn \u0111\u01b0\u1ee3c mailbox c\u1ee7a ng\u01b0\u1eddi nh\u1eadn v\u00e0 h\u01a1n th\u1ebf n\u1eefa, ch\u1ec9 nh\u1eefng mail h\u1ee3p l\u1ec7 m\u1edbi \u0111\u01b0\u1ee3c ch\u1ea5p nh\u1eadn v\u00e0o h\u1ec7 th\u1ed1ng.<\/p>\n<\/li>\n

        • \n

          DMARC \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng \u1edf t\u1ea7ng ph\u00eda tr\u00ean c\u1ee7a DKIM v\u00e0 SPF.<\/p>\n<\/li>\n

        • \n

          Record DMARC \u0111\u01b0\u1ee3c c\u1ea5u h\u00ecnh l\u00e0 _dmarc.domain-name.com<\/em> v\u1edbi domain-name.com<\/em> l\u00e0 domain email l\u00e0 b\u1ea1n s\u1eed d\u1ee5ng<\/p>\n<\/li>\n

        • C\u00e1c tag ph\u1ed5 bi\u1ebfn th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong b\u1ea3n ghi DMARC:
          \n\n\n\n\n\n\n\n\n\n
          \n
          Tag<\/div>\n<\/th>\n
          		\n
          Required<\/div>\n<\/th>\n
          		\n
          M\u1ee5c \u0111\u00edch<\/div>\n<\/th>\n
          		\n
          V\u00ed d\u1ee5<\/div>\n<\/th>\n<\/tr>\n
          v<\/td>\nrequired<\/td>\nphi\u00ean b\u1ea3n DMARC; hi\u1ec7n thi\u1ebft l\u1eadp l\u00e0 DMARC1<\/strong><\/td>\nv=DMARC1<\/td>\n<\/tr>\n
          p<\/td>\nrequired<\/td>\nch\u00ednh s\u00e1ch \u00e1p d\u1ee5ng (“none”, “quarantine” ho\u1eb7c “reject”)<\/td>\np=quarantine<\/td>\n<\/tr>\n
          pct<\/td>\noptional<\/td>\nt\u1ec9 l\u1ec7 ph\u1ea7n tr\u0103m th\u01b0 \u0111\u01b0\u1ee3c l\u1ecdc; m\u1eb7c \u0111\u1ecbnh 100%<\/td>\npct=50<\/td>\n<\/tr>\n
          rua<\/td>\noptional<\/td>\nc\u1ea5u h\u00ecnh h\u1ed9p th\u01b0 email nh\u1eadn b\u00e1o c\u00e1o t\u1ed5ng h\u1ee3p<\/td>\nrua=mailto:abuse@longvan.net<\/td>\n<\/tr>\n
          sp<\/td>\noptional<\/td>\nch\u00ednh s\u00e1ch cho t\u00ean mi\u1ec1n ph\u1ee5<\/td>\nsp=r<\/td>\n<\/tr>\n
          aspf<\/td>\noptional<\/td>\nt\u00f9y ch\u1ecdn ch\u1ebf \u0111\u1ed9 SPF Identidier Alignment; m\u1eb7c \u0111\u1ecbnh l\u00e0 “r”<\/td>\naspf=r<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/li>\n
        • V\u00ed d\u1ee5:
          \"image-1648800953061.png\"<\/li>\n<\/ul>\n<\/li>\n
        • C\u00f4ng c\u1ee5 ki\u1ec3m tra c\u1ea5u h\u00ecnh DNS: <\/strong>Sau khi ho\u00e0n t\u1ea5t c\u1ea5u h\u00ecnh DNS ta ti\u1ebfn h\u00e0nh ki\u1ec3m tra l\u1ea1i c\u00e1c gi\u00e1 tr\u1ecb \u0111\u00e3 c\u1ea5u h\u00ecnh. Th\u00f4ng th\u01b0\u1eddng m\u1ea5t 2-4 ti\u1ebfng \u0111\u1ec3 h\u1ec7 th\u1ed1ng DNS \u0111\u01b0\u1ee3c c\u1eadp nh\u1eadt.\n
            \n
          • Ki\u1ec3m tra MX: http:\/\/mxtoolbox.com\/\u00a0<\/li>\n
          • Ki\u1ec3m tra SPF: http:\/\/mxtoolbox.com\/spf.aspx\u00a0<\/li>\n
          • Ki\u1ec3m tra blacklist: http:\/\/mxtoolbox.com\/blacklists.aspx\u00a0<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<\/div>\n\n\n

            <\/p>\n","protected":false},"excerpt":{"rendered":"

            C\u1ea5u h\u00ecnh record A T\u1ea1o record A cho ph\u00e9p ng\u01b0\u1eddi d\u00f9ng truy c\u1eadp v\u00e0o webmail th\u00f4ng qua t\u00ean mi\u1ec1n v\u00e0 d\u00f9ng l\u00e0m th\u00f4ng s\u1ed1 c\u1ea5u h\u00ecnh IMAP, SMTP, POP3 tr\u00ean email client. V\u00ed d\u1ee5: tr\u1ecf \u0111\u01b0\u1eddng d\u1eabn mail.upfile.vn v\u1ec1 \u0111\u1ecba ch\u1ec9 IP 103.27.238.14 C\u1ea5u h\u00ecnh record MX T\u1ea1o record MX gi\u00fap cho email t\u1eeb c\u00e1c […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_oasis_is_in_workflow":0,"_oasis_original":0,"footnotes":""},"categories":[20],"tags":[],"class_list":["post-299","post","type-post","status-publish","format-standard","hentry","category-mail-hosting"],"yoast_head":"\nH\u01b0\u1edbng d\u1eabn c\u1ea5u h\u00ecnh DNS d\u1ecbch v\u1ee5 email - Long V\u00e2n<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/longvan.net\/cong-dong\/huong-dan-cau-hinh-dns-dich-vu-email\/\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"H\u01b0\u1edbng d\u1eabn c\u1ea5u h\u00ecnh DNS d\u1ecbch v\u1ee5 email - Long V\u00e2n\" \/>\n<meta property=\"og:description\" content=\"C\u1ea5u h\u00ecnh record A T\u1ea1o record A cho ph\u00e9p ng\u01b0\u1eddi d\u00f9ng truy c\u1eadp v\u00e0o webmail th\u00f4ng qua t\u00ean mi\u1ec1n v\u00e0 d\u00f9ng l\u00e0m th\u00f4ng s\u1ed1 c\u1ea5u h\u00ecnh IMAP, SMTP, POP3 tr\u00ean email client. V\u00ed d\u1ee5: tr\u1ecf \u0111\u01b0\u1eddng d\u1eabn mail.upfile.vn v\u1ec1 \u0111\u1ecba ch\u1ec9 IP 103.27.238.14 C\u1ea5u h\u00ecnh record MX T\u1ea1o record MX gi\u00fap cho email t\u1eeb c\u00e1c [...]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/longvan.net\/cong-dong\/huong-dan-cau-hinh-dns-dich-vu-email\/\" \/>\n<meta property=\"og:site_name\" content=\"Long V\u00e2n\" \/>\n<meta property=\"article:published_time\" content=\"2022-04-01T14:41:04+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2022-04-01T14:58:14+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/longvan.net\/cong-dong\/wp-content\/uploads\/2022\/02\/image-1635758578878.png\" \/>\n<meta name=\"author\" content=\"Long V\u00e2n\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u0110\u01b0\u1ee3c vi\u1ebft b\u1edfi\" \/>\n\t<meta name=\"twitter:data1\" content=\"Long V\u00e2n\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u01af\u1edbc t\u00ednh th\u1eddi gian \u0111\u1ecdc\" \/>\n\t<meta name=\"twitter:data2\" content=\"3 ph\u00fat\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/longvan.net\\\/cong-dong\\\/huong-dan-cau-hinh-dns-dich-vu-email\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/longvan.net\\\/cong-dong\\\/huong-dan-cau-hinh-dns-dich-vu-email\\\/\"},\"author\":{\"name\":\"Long V\u00e2n\",\"@id\":\"https:\\\/\\\/longvan.net\\\/cong-dong\\\/#\\\/schema\\\/person\\\/5c6e08999194225309f0ed2e3bf476c4\"},\"headline\":\"H\u01b0\u1edbng d\u1eabn c\u1ea5u h\u00ecnh DNS d\u1ecbch v\u1ee5 email\",\"datePublished\":\"2022-04-01T14:41:04+00:00\",\"dateModified\":\"2022-04-01T14:58:14+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/longvan.net\\\/cong-dong\\\/huong-dan-cau-hinh-dns-dich-vu-email\\\/\"},\"wordCount\":589,\"publisher\":{\"@id\":\"https:\\\/\\\/longvan.net\\\/cong-dong\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/longvan.net\\\/cong-dong\\\/huong-dan-cau-hinh-dns-dich-vu-email\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/longvan.net\\\/cong-dong\\\/wp-content\\\/uploads\\\/2022\\\/02\\\/image-1635758578878.png\",\"articleSection\":[\"Mail Hosting\"],\"inLanguage\":\"vi\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/longvan.net\\\/cong-dong\\\/huong-dan-cau-hinh-dns-dich-vu-email\\\/\",\"url\":\"https:\\\/\\\/longvan.net\\\/cong-dong\\\/huong-dan-cau-hinh-dns-dich-vu-email\\\/\",\"name\":\"H\u01b0\u1edbng d\u1eabn c\u1ea5u h\u00ecnh DNS d\u1ecbch v\u1ee5 email - 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