{"id":2087,"date":"2024-07-15T09:39:54","date_gmt":"2024-07-15T02:39:54","guid":{"rendered":"https:\/\/tino.vn\/?post_type=ht_kb&p=2087"},"modified":"2024-08-19T11:46:59","modified_gmt":"2024-08-19T04:46:59","slug":"loi-503-valid-rcpt-command-must-precede-data","status":"publish","type":"ht_kb","link":"https:\/\/tino.vn\/blog\/docs\/loi-503-valid-rcpt-command-must-precede-data\/","title":{"rendered":"H\u01b0\u1edbng d\u1eabn kh\u1eafc ph\u1ee5c s\u1ef1 c\u1ed1 Outlook b\u00e1o l\u1ed7i 503 Valid RCPT command must precede DATA"},"content":{"rendered":"\n

B\u1ea1n \u0111ang g\u1eb7p l\u1ed7i 503 Valid RCPT command must precede DATA khi s\u1eed d\u1ee5ng Outlook<\/a> \u0111\u1ec3 g\u1eedi email? L\u1ed7i n\u00e0y th\u01b0\u1eddng xu\u1ea5t hi\u1ec7n do thi\u1ebfu c\u1ea5u h\u00ecnh x\u00e1c th\u1ef1c t\u00e0i kho\u1ea3n email tr\u00ean Outlook, d\u1eabn \u0111\u1ebfn vi\u1ec7c m\u00e1y ch\u1ee7 kh\u00f4ng th\u1ec3 nh\u1eadn di\u1ec7n \u0111\u01b0\u1ee3c ng\u01b0\u1eddi g\u1eedi v\u00e0 t\u1eeb ch\u1ed1i g\u1eedi email. \u0110\u1eebng lo l\u1eafng, b\u00e0i vi\u1ebft n\u00e0y s\u1ebd h\u01b0\u1edbng d\u1eabn b\u1ea1n c\u00e1ch kh\u1eafc ph\u1ee5c s\u1ef1 c\u1ed1 \u0111\u01a1n gi\u1ea3n v\u00e0 hi\u1ec7u qu\u1ea3.\u00a0<\/p>\n\n\n\n

Nguy\u00ean nh\u00e2n x\u1ea3y ra l\u1ed7i 503 Valid RCPT command must precede DATA<\/strong><\/h2>\n\n\n\n

Khi \u0111\u00e3 c\u1ea5u h\u00ecnh \u0111\u1ecba ch\u1ec9 mail v\u00e0o ph\u1ea7n m\u1ec1m Outlook, b\u1ea1n ti\u1ebfn h\u00e0nh so\u1ea1n th\u1ea3o l\u00e1 th\u01b0 v\u00e0 g\u1eedi \u0111i. Tuy nhi\u00ean, b\u1ea1n \u0111\u01b0\u1ee3c m\u1ed9t l\u00e1 th\u01b0 h\u1ec7 th\u1ed1ng tr\u1ea3 v\u1ec1 v\u00e0 th\u00f4ng b\u00e1o nh\u01b0 sau :<\/p>\n\n\n

\n
\"thong-bao-loi-503-valid-rcpt-command-must-precede-data\"
Th\u00f4ng b\u00e1o l\u1ed7i 503 Valid RCPT command must precede DATA<\/strong><\/figcaption><\/figure>\n<\/div>\n\n\n

L\u1ed7i 503 Valid RCPT command must precede DATA trong Outlook th\u01b0\u1eddng xu\u1ea5t hi\u1ec7n do thi\u1ebfu c\u1ea5u h\u00ecnh x\u00e1c th\u1ef1c t\u00e0i kho\u1ea3n email<\/strong>. Khi \u0111\u00f3, Outlook s\u1ebd g\u1eedi l\u1ec7nh DATA (Data) ch\u1ee9a n\u1ed9i dung email tr\u01b0\u1edbc khi g\u1eedi l\u1ec7nh RCPT (Recipient) th\u00f4ng b\u00e1o \u0111\u1ecba ch\u1ec9 email ng\u01b0\u1eddi nh\u1eadn cho m\u00e1y ch\u1ee7.<\/p>\n\n\n\n

M\u00e1y ch\u1ee7 nh\u1eadn s\u1ebd tr\u1ea3 v\u1ec1 m\u00e3 l\u1ed7i 503 v\u00ec kh\u00f4ng nh\u1eadn \u0111\u01b0\u1ee3c l\u1ec7nh RCPT tr\u01b0\u1edbc, d\u1eabn \u0111\u1ebfn vi\u1ec7c kh\u00f4ng x\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1ee3c ng\u01b0\u1eddi nh\u1eadn v\u00e0 kh\u00f4ng th\u1ec3 g\u1eedi email.<\/p>\n\n\n\n

Ngo\u00e0i ra, l\u1ed7i n\u00e0y c\u0169ng c\u00f3 th\u1ec3 do m\u1ed9t s\u1ed1 nguy\u00ean nh\u00e2n kh\u00e1c nh\u01b0:<\/p>\n\n\n\n

    \n
  • C\u00e0i \u0111\u1eb7t sai l\u1ec7ch th\u00f4ng tin m\u00e1y ch\u1ee7 SMTP ho\u1eb7c c\u1ed5ng k\u1ebft n\u1ed1i:<\/strong> Ki\u1ec3m tra l\u1ea1i th\u00f4ng tin m\u00e1y ch\u1ee7 SMTP v\u00e0 c\u1ed5ng k\u1ebft n\u1ed1i trong c\u00e0i \u0111\u1eb7t Outlook \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o ch\u00ednh x\u00e1c.<\/li>\n\n\n\n
  • V\u1ea5n \u0111\u1ec1 v\u1ec1 k\u1ebft n\u1ed1i m\u1ea1ng:<\/strong> \u0110\u1ea3m b\u1ea3o r\u1eb1ng b\u1ea1n c\u00f3 k\u1ebft n\u1ed1i internet \u1ed5n \u0111\u1ecbnh \u0111\u1ec3 Outlook c\u00f3 th\u1ec3 giao ti\u1ebfp v\u1edbi m\u00e1y ch\u1ee7 email.<\/li>\n\n\n\n
  • L\u1ed7i ph\u1ea7n m\u1ec1m:<\/strong> Kh\u1edfi \u0111\u1ed9ng l\u1ea1i Outlook ho\u1eb7c c\u00e0i \u0111\u1eb7t l\u1ea1i ph\u1ea7n m\u1ec1m n\u1ebfu nghi ng\u1edd l\u1ed7i do ph\u1ea7n m\u1ec1m g\u00e2y ra.<\/li>\n\n\n\n
  • D\u1ea5u nh\u00e1y \u0111\u01a1n: S\u1eed d\u1ee5ng d\u1ea5u nh\u00e1y \u0111\u01a1n trong t\u00ean ng\u01b0\u1eddi nh\u1eadn c\u00f3 th\u1ec3 g\u00e2y ra l\u1ed7i Outlook 503. <\/li>\n\n\n\n
  • VPN: <\/strong>N\u1ebfu b\u1ea1n \u0111ang s\u1eed d\u1ee5ng VPN, \u0111\u00e2y c\u0169ng c\u00f3 th\u1ec3 l\u00e0 nguy\u00ean nh\u00e2n g\u00e2y ra l\u1ed7i. <\/li>\n<\/ul>\n\n\n\n

    \u0110\u1ec3 kh\u1eafc ph\u1ee5c l\u1ed7i 503 Valid RCPT command must precede DATA hi\u1ec7u qu\u1ea3, b\u1ea1n c\u1ea7n th\u1ef1c hi\u1ec7n c\u00e1c b\u01b0\u1edbc h\u01b0\u1edbng d\u1eabn chi ti\u1ebft trong ph\u1ea7n n\u1ed9i dung ch\u00ednh c\u1ee7a b\u00e0i vi\u1ebft.<\/p>\n\n\n\n

    C\u00e1ch kh\u1eafc ph\u1ee5c s\u1ef1 c\u1ed1 Outlook b\u00e1o l\u1ed7i 503 Valid RCPT command must precede DATA<\/strong><\/h2>\n\n\n\n

    B\u01b0\u1edbc 1: <\/strong>B\u1ea1n truy c\u1eadp v\u00e0o m\u1ee5c Accounts Settings <\/strong>tr\u00ean ph\u1ea7n m\u1ec1m Outlook<\/p>\n\n\n

    \n
    \"cau-hinh-xac-thuc-tai-khoan-email\"
    C\u1ea5u h\u00ecnh x\u00e1c th\u1ef1c t\u00e0i kho\u1ea3n email<\/strong><\/figcaption><\/figure>\n<\/div>\n\n\n

    B\u01b0\u1edbc 2: <\/strong>Nh\u1ea5p \u0111\u00fap chu\u1ed9t v\u00e0o \u0111\u1ecba ch\u1ec9 email -> sau \u0111\u00f3, ch\u1ecdn More Settings<\/strong><\/p>\n\n\n

    \n
    \"cau-hinh-xac-thuc-tai-khoan-email\"
    C\u1ea5u h\u00ecnh x\u00e1c th\u1ef1c t\u00e0i kho\u1ea3n email<\/strong><\/figcaption><\/figure>\n<\/div>\n\n\n

    B\u01b0\u1edbc 3:<\/strong> T\u1ea1i \u0111\u00e2y, b\u1ea1n ch\u1ecdn qua tab Outgoing\u00a0Server<\/strong> -> \u0111\u00e1nh d\u1ea5u t\u00edch v\u00e0o m\u1ee5c\u00a0My outgoing server (SMTP) requires<\/strong>\u00a0authentication<\/strong>. <\/p>\n\n\n\n

    Ti\u1ebfp theo, ch\u1ecdn d\u00f2ng\u00a0Use same settings as my incoming mail server<\/strong>\u00a0v\u00e0 nh\u1ea5n n\u00fat OK.<\/strong><\/p>\n\n\n

    \n
    \"cau-hinh-xac-thuc-tai-khoan-email\"
    C\u1ea5u h\u00ecnh x\u00e1c th\u1ef1c t\u00e0i kho\u1ea3n email<\/strong><\/figcaption><\/figure>\n<\/div>\n\n\n

    Quay l\u1ea1i c\u1eeda s\u1ed5 Accounts Settings<\/strong>, b\u1ea1n c\u00f3 th\u1ec3 nh\u1ea5n n\u00fat\u00a0Test Account Settings<\/strong>\u00a0\u0111\u1ec3 xem k\u1ebft qu\u1ea3.<\/p>\n\n\n

    \n
    \"cau-hinh-xac-thuc-tai-khoan-email\"
    C\u1ea5u h\u00ecnh x\u00e1c th\u1ef1c t\u00e0i kho\u1ea3n email<\/strong><\/figcaption><\/figure>\n<\/div>\n\n
    \n
    \"cau-hinh-xac-thuc-tai-khoan-email\"
    C\u1ea5u h\u00ecnh x\u00e1c th\u1ef1c t\u00e0i kho\u1ea3n email<\/strong><\/figcaption><\/figure>\n<\/div>\n\n\n

    Sau khi ho\u00e0n t\u1ea5t, b\u1ea1n ch\u1ecdn n\u00fat Next <\/strong>-> nh\u1ea5n ti\u1ebfp\u00a0Finish<\/strong>. L\u00fac n\u00e0y, b\u1ea1n \u0111\u00e3 c\u00f3 th\u1ec3 b\u1eaft \u0111\u1ea7u s\u1eed d\u1ee5ng\u00a0Email<\/strong> b\u00ecnh th\u01b0\u1eddng.<\/p>\n\n\n\n

    C\u00e0i \u0111\u1eb7t SMTP kh\u00f4ng \u0111\u01b0\u1ee3c c\u1ea5u h\u00ecnh \u0111\u00fang c\u0169ng c\u00f3 th\u1ec3 g\u00e2y ra l\u1ed7i\u00a0503 Valid RCPT Command must Precede Data<\/strong><\/h3>\n\n\n\n

    Nh\u01b0 \u0111\u00e3 chia s\u1ebb, c\u00e0i \u0111\u1eb7t sai l\u1ec7ch th\u00f4ng tin m\u00e1y ch\u1ee7 SMTP c\u0169ng l\u00e0 nguy\u00ean nh\u00e2n g\u00e2y ra l\u1ed7i\u00a0503 Valid RCPT Command must Precede Data tr\u00ean Outlook. N\u1ebfu v\u1eabn ch\u01b0a gi\u1ea3i quy\u1ebft \u0111\u01b0\u1ee3c l\u1ed7i n\u00e0y sau khi \u0111\u00e3 c\u1ea5u h\u00ecnh x\u00e1c th\u1ef1c t\u00e0i kho\u1ea3n email, b\u1ea1n ti\u1ebfp t\u1ee5c th\u1ef1c hi\u1ec7n l\u1ea1i thao t\u00e1c tr\u00ean \u0111\u1ec3 m\u1edf h\u1ed9p tho\u1ea1i: Internet E-mail Settings<\/strong><\/p>\n\n\n\n

    Ch\u1ecdn qua tab Advanced <\/strong>r\u1ed3i c\u1ea5u h\u00ecnh nh\u01b0 h\u00ecnh b\u00ean d\u01b0\u1edbi:<\/p>\n\n\n

    \n
    \"cau-hinh-smtp\"
    C\u1ea5u h\u00ecnh SMTP<\/strong><\/figcaption><\/figure>\n<\/div>\n\n\n

    V\u1edbi nh\u1eefng h\u01b0\u1edbng d\u1eabn chi ti\u1ebft trong b\u00e0i vi\u1ebft n\u00e0y, hy v\u1ecdng b\u1ea1n \u0111\u00e3 c\u00f3 th\u1ec3 t\u1ef1 kh\u1eafc ph\u1ee5c l\u1ed7i 503 Valid RCPT command must precede DATA v\u00e0 ti\u1ebfp t\u1ee5c s\u1eed d\u1ee5ng Outlook \u0111\u1ec3 g\u1eedi email m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3. N\u1ebfu c\u00f2n th\u1eafc m\u1eafc trong qu\u00e1 tr\u00ecnh th\u1ef1c hi\u1ec7n, b\u1ea1n h\u00e3y li\u00ean h\u1ec7 ngay cho b\u1ed9 ph\u1eadn k\u1ef9 thu\u1eadt c\u1ee7a TinoHost \u0111\u1ec3 \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3 k\u1ecbp th\u1eddi. Ch\u00fac b\u1ea1n th\u00e0nh c\u00f4ng!<\/p>\n","protected":false},"excerpt":{"rendered":"

    B\u1ea1n \u0111ang g\u1eb7p l\u1ed7i 503 Valid RCPT command must precede DATA khi s\u1eed d\u1ee5ng Outlook \u0111\u1ec3 g\u1eedi email? L\u1ed7i n\u00e0y th\u01b0\u1eddng xu\u1ea5t hi\u1ec7n do thi\u1ebfu c\u1ea5u h\u00ecnh x\u00e1c th\u1ef1c t\u00e0i kho\u1ea3n email tr\u00ean Outlook, d\u1eabn \u0111\u1ebfn vi\u1ec7c m\u00e1y ch\u1ee7 kh\u00f4ng th\u1ec3 nh\u1eadn di\u1ec7n \u0111\u01b0\u1ee3c ng\u01b0\u1eddi g\u1eedi v\u00e0 t\u1eeb ch\u1ed1i g\u1eedi email. \u0110\u1eebng lo l\u1eafng, b\u00e0i […]<\/p>\n","protected":false},"author":23,"featured_media":99215,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","format":"standard","meta":{"footnotes":""},"tags":[6709],"ht_kb_category":[30],"class_list":["post-2087","ht_kb","type-ht_kb","status-publish","format-standard","has-post-thumbnail","hentry","tag-kien-thuc-email","ht_kb_category-huong-dan-email-server"],"_links":{"self":[{"href":"https:\/\/tino.vn\/blog\/wp-json\/wp\/v2\/ht_kb\/2087","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/tino.vn\/blog\/wp-json\/wp\/v2\/ht_kb"}],"about":[{"href":"https:\/\/tino.vn\/blog\/wp-json\/wp\/v2\/types\/ht_kb"}],"author":[{"embeddable":true,"href":"https:\/\/tino.vn\/blog\/wp-json\/wp\/v2\/users\/23"}],"replies":[{"embeddable":true,"href":"https:\/\/tino.vn\/blog\/wp-json\/wp\/v2\/comments?post=2087"}],"version-history":[{"count":3,"href":"https:\/\/tino.vn\/blog\/wp-json\/wp\/v2\/ht_kb\/2087\/revisions"}],"predecessor-version":[{"id":99218,"href":"https:\/\/tino.vn\/blog\/wp-json\/wp\/v2\/ht_kb\/2087\/revisions\/99218"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/tino.vn\/blog\/wp-json\/wp\/v2\/media\/99215"}],"wp:attachment":[{"href":"https:\/\/tino.vn\/blog\/wp-json\/wp\/v2\/media?parent=2087"}],"wp:term":[{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/tino.vn\/blog\/wp-json\/wp\/v2\/tags?post=2087"},{"taxonomy":"ht_kb_category","embeddable":true,"href":"https:\/\/tino.vn\/blog\/wp-json\/wp\/v2\/ht_kb_category?post=2087"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}