{"id":77,"date":"2021-02-11T13:02:35","date_gmt":"2021-02-11T13:02:35","guid":{"rendered":"https:\/\/dev.sourcecode.sk\/wsczkb\/?post_type=ht_kb&#038;p=77"},"modified":"2023-05-25T11:22:35","modified_gmt":"2023-05-25T09:22:35","slug":"spf-zaznamy","status":"publish","type":"ht_kb","link":"https:\/\/www.websupport.cz\/podpora\/kb\/spf-zaznamy\/","title":{"rendered":"SPF z\u00e1znamy"},"content":{"rendered":"\n<p style=\"font-size:18px\"><strong>SPF z\u00e1znam<\/strong> <em>(Sender Policy Framework)<\/em> je typ <strong>TXT z\u00e1znamu<\/strong>, kter\u00fd obsahuje informace o tom, kter\u00e9 SMTP servery (IP adresy) jsou opr\u00e1vn\u011bn\u00e9 odes\u00edlat e-maily z ur\u010dit\u00e9 dom\u00e9ny. C\u00edlem SPF omezit fal\u0161ov\u00e1n\u00ed odes\u00edlatele v e-mailu a zabr\u00e1nit tak <strong>SPAMu.<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator has-css-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"jak-vypada-spf-zaznam\">Jak vypad\u00e1 SPF z\u00e1znam<\/h2>\n\n\n\n<p>Z\u00e1znamy SPF jsou definovan\u00e9 jako jeden \u0159et\u011bzec textu. P\u0159\u00edklad z\u00e1znamu:<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">v=spf1 a mx include:_spf.websupport.cz ?all<\/pre>\n\n\n\n<p>Tento z\u00e1znam n\u00e1m \u0159\u00edk\u00e1, \u017ee pro dom\u00e9nu <em>vasedomena.tld <\/em>je autoritativn\u00ed server SMTP server smtp.websupport.cz. Pokud se ode\u0161le zpr\u00e1va p\u0159es smtp.websupport.cz, e-mailov\u00fd server, kter\u00fd podporuje kontrolu pomoc\u00ed SPF z\u00e1znamu p\u0159ekontroluje uveden\u00e9 hodnoty. Jeliko\u017e <strong>IP adresa SMTP serveru<\/strong>, z kter\u00e9 byla zpr\u00e1va odeslan\u00e1 (smtp.websupport.cz), odpov\u00edd\u00e1 SPF z\u00e1znamu, bude zpr\u00e1va d\u00e1le zpracovan\u00e1. <\/p>\n\n\n\n<p> Pokud ale bude zpr\u00e1va odeslan\u00e1 p\u0159es SMTP server smtp.priklad.cz, kter\u00fd m\u00e1 1.2.3.4, zpr\u00e1va u\u017e zpracovan\u00e1 standardn\u00edm zp\u016fsobem nebude. IP adresa 1.2.3.4 nen\u00ed toti\u017e u dan\u00e9 dom\u00e9ny v SPF z\u00e1znamu nadefinovan\u00e1 a je tak vyhodnocen\u00e1 jako potenci\u00e1ln\u00ed SPAM.<\/p>\n\n\n\n<p class=\"has-medium-font-size\"><strong>\u00daprava SPF z\u00e1znamu prob\u00edh\u00e1 stejn\u011b, jako p\u0159i TXT z\u00e1znamech, proto\u017ee u n\u00e1s je SPF sou\u010d\u00e1st\u00ed TXT z\u00e1znam\u016f.<\/strong><\/p>\n\n\n\n<p><strong><a href=\"https:\/\/www.websupport.cz\/podpora\/kb\/txt-zaznamy\/\" target=\"_blank\" rel=\"noreferrer noopener\">Jak upravit TXT z\u00e1znamy?<\/a><\/strong><\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"kombinace-ruznych-spf-zaznamu\">Kombinace r\u016fzn\u00fdch SPF z\u00e1znam\u016f<\/h2>\n\n\n\n<p>TXT z\u00e1znam pro SPF mus\u00ed b\u00fdt v DNS pouze jeden. Pokud pot\u0159ebujete povolit odes\u00edl\u00e1n\u00ed z v\u00edce server\u016f, je pot\u0159eba je zkombinovat do jednoho.<\/p>\n\n\n\n<p>Pokud pot\u0159ebujete nap\u0159\u00edklad do na\u0161eho spf z\u00e1znamu p\u0159idat google spf z\u00e1znam, nastav\u00edte to n\u00e1sledovn\u011b:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>P\u016fvodn\u00ed z\u00e1znam<\/strong>: <em>v=spf1 a mx include:_spf.websupport.cz ?all<\/em><\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Nov\u00fd z\u00e1znam<\/strong>: <em>v=spf1 a mx include:_spf.websupport.cz <strong>include:_spf.google.com<\/strong> ?all<\/em><\/li>\n<\/ul>\n\n\n\n<p>Z\u00e1znamy se odd\u011bluj\u00ed mezerami. T\u00edmto z\u00e1znamem jsou k odes\u00edl\u00e1n\u00ed po\u0161ty autorizovan\u00e9 servery Websupportu a Googlu. Ostatn\u00ed servery nejsou povolen\u00e9 a neprojdou SPF kontrolou.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"reseni-problemu\">\u0158e\u0161en\u00ed probl\u00e9m\u016f<\/h2>\n\n\n\n<p class=\"has-medium-font-size\">Odm\u00edtnut\u00ed e-mailu na\u0161\u00edm serverem kv\u016fli <strong>SPF kontrole<\/strong><\/p>\n\n\n\n<p>Pokud m\u00e1 server p\u0159ij\u00edmatele zapnutou SPF kontrolu, mail z jin\u00e9ho serveru, ne\u017e jak\u00fd je definovan\u00fd v SPF z\u00e1znamu, se odes\u00edlateli vr\u00e1t\u00ed jako zam\u00edtnut\u00fd serverem p\u0159ij\u00edmatele s chybovou hl\u00e1\u0161kou o nedoru\u010den\u00ed ve zn\u011bn\u00ed:<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">\"550 Message rejected because SPF check failed\u200b.\"<\/pre>\n\n\n\n<p>V takov\u00e9m p\u0159\u00edpad\u011b <strong>jsou 2 mo\u017enosti<\/strong> jak umo\u017enit odes\u00edlateli v po\u0159\u00e1dku doru\u010dit odeslanou po\u0161tu: <\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Spr\u00e1vce, p\u0159\u00edpadn\u011b odes\u00edlatel, p\u0159id\u00e1 spr\u00e1vn\u00fd SPF z\u00e1znam do svoj\u00ed dom\u00e9ny.<\/li>\n\n\n\n<li>P\u0159\u00edjemce si vypne funkci SPF, av\u0161ak op\u011bt m\u016f\u017ee doj\u00edt k zv\u00fd\u0161en\u00e9mu p\u0159ij\u00edm\u00e1n\u00ed spamov\u00fdch spr\u00e1v na schr\u00e1nk\u00e1ch pod danou dom\u00e9nou.<\/li>\n<\/ul>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"vypnuti-spf-kontroly\"><strong>Vypnut\u00ed&nbsp;SPF kontroly<\/strong><\/h3>\n\n\n\n<p>1. P\u0159ihlaste se do <strong><a href=\"https:\/\/login.websupport.cz\/\" target=\"_blank\" rel=\"noreferrer noopener\">WebAdminu<\/a><\/strong><br>2. V sekci <strong>Slu\u017eby<\/strong> vyhledejte dom\u00e9nu, pro kterou chcete zm\u011bnit <strong>SPF<\/strong><br>3. V lev\u00e9m menu klikn\u011bte na <strong>E-maily<\/strong> <br>4. P\u0159ejd\u011bte na <strong>Nastaven\u00ed<\/strong> a&nbsp;v \u010dasti <strong>Kontrola odesilatele dom\u00e9ny &#8211; SPF<\/strong> vypn\u011bte ov\u011b\u0159ov\u00e1n\u00ed SPF<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"356\" src=\"https:\/\/www.websupport.cz\/podpora\/app\/uploads\/2021\/08\/SPF-nastaveni-800x356.png\" alt=\"\" class=\"wp-image-5603\" srcset=\"https:\/\/www.websupport.cz\/podpora\/app\/uploads\/2021\/08\/SPF-nastaveni-800x356.png 800w, https:\/\/www.websupport.cz\/podpora\/app\/uploads\/2021\/08\/SPF-nastaveni-400x178.png 400w, https:\/\/www.websupport.cz\/podpora\/app\/uploads\/2021\/08\/SPF-nastaveni-768x342.png 768w, https:\/\/www.websupport.cz\/podpora\/app\/uploads\/2021\/08\/SPF-nastaveni-50x22.png 50w, https:\/\/www.websupport.cz\/podpora\/app\/uploads\/2021\/08\/SPF-nastaveni-1536x683.png 1536w, https:\/\/www.websupport.cz\/podpora\/app\/uploads\/2021\/08\/SPF-nastaveni-60x27.png 60w, https:\/\/www.websupport.cz\/podpora\/app\/uploads\/2021\/08\/SPF-nastaveni-100x44.png 100w, https:\/\/www.websupport.cz\/podpora\/app\/uploads\/2021\/08\/SPF-nastaveni.png 1738w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>SPF z\u00e1znam (Sender Policy Framework) je typ TXT z\u00e1znamu, kter\u00fd obsahuje informace o tom, kter\u00e9 SMTP servery (IP adresy) jsou opr\u00e1vn\u011bn\u00e9 odes\u00edlat e-maily z ur\u010dit\u00e9 dom\u00e9ny. C\u00edlem SPF omezit fal\u0161ov\u00e1n\u00ed odes\u00edlatele v e-mailu a zabr\u00e1nit tak SPAMu. Jak vypad\u00e1 SPF z\u00e1znam Z\u00e1znamy SPF jsou definovan\u00e9 jako jeden \u0159et\u011bzec textu. P\u0159\u00edklad&#8230;<\/p>\n","protected":false},"author":3,"template":"","format":"standard","meta":{"footnotes":""},"ht-kb-category":[12],"ht-kb-tag":[],"class_list":["post-77","ht_kb","type-ht_kb","status-publish","format-standard","hentry","ht_kb_category-dns-zaznamy"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>SPF z\u00e1znamy - Websupport Centrum n\u00e1pov\u011bdy<\/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:\/\/www.websupport.cz\/podpora\/kb\/spf-zaznamy\/\" \/>\n<meta property=\"og:locale\" content=\"cs_CZ\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"SPF z\u00e1znamy - Websupport Centrum n\u00e1pov\u011bdy\" \/>\n<meta property=\"og:description\" content=\"SPF z\u00e1znam (Sender Policy Framework) je typ TXT z\u00e1znamu, kter\u00fd obsahuje informace o tom, kter\u00e9 SMTP servery (IP adresy) jsou opr\u00e1vn\u011bn\u00e9 odes\u00edlat e-maily z ur\u010dit\u00e9 dom\u00e9ny. 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