{"id":7176,"date":"2019-01-31T17:41:53","date_gmt":"2019-01-31T16:41:53","guid":{"rendered":"https:\/\/www.websupport.sk\/podpora\/?post_type=ht_kb&#038;p=7176"},"modified":"2025-09-16T13:53:48","modified_gmt":"2025-09-16T11:53:48","slug":"zlepsovanie-dorucitelnosti-emailov","status":"publish","type":"ht_kb","link":"https:\/\/www.websupport.sk\/podpora\/kb\/zlepsovanie-dorucitelnosti-emailov\/","title":{"rendered":"Zlep\u0161ovanie doru\u010dite\u013enosti e-mailov (SPF, DKIM, DMARC)"},"content":{"rendered":"\n<p>Ak chcete zlep\u0161i\u0165 doru\u010dovanie po\u0161ty a zv\u00fd\u0161i\u0165 sk\u00f3re e-mailov pre pr\u00edjemcov spr\u00e1v, je potrebn\u00e9 optimalizova\u0165 nastavenia dom\u00e9ny. Po\u0161tov\u00e9 servery Gmailu alebo Yahoo \u010dasto vyhodnotia e-mail kv\u00f4li jedn\u00fdm z t\u00fdchto nastaven\u00ed ako SPAM. V tomto n\u00e1vode si prejdeme z\u00e1kladn\u00fa optimaliz\u00e1ciu a nastavenia dom\u00e9ny, aby e-maily prech\u00e1dzali bez probl\u00e9mov.<\/p>\n\n\n\n<p>Bezplatn\u00fd n\u00e1stroj, ktor\u00fd m\u00f4\u017ee zlep\u0161i\u0165 hodnotenie konkr\u00e9tnych e-mailov alebo odhali\u0165 pr\u00ed\u010dinu ozna\u010dovania e-mailov ako SPAM sa naz\u00fdva <a href=\"https:\/\/www.mail-tester.com\/\">Mail Tester<\/a>. N\u00e1stroj kontroluje sk\u00f3re konkr\u00e9tneho e-mailu a poskytne n\u00e1vrhy ako zlep\u0161i\u0165 doru\u010dovanie e-mailov zo strany odosielate\u013ea. Konkr\u00e9tny n\u00e1vod na postup pre slu\u017ebu Mail Tester n\u00e1jdete v spodnej \u010dasti tohto \u010dl\u00e1nku.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">SPF<\/h2>\n\n\n\n\n\n<p style=\"font-size:18px\"><strong>SPF z\u00e1znam<\/strong> <em>(Sender Policy Framework)<\/em> je typ <strong>TXT z\u00e1znamu<\/strong>, ktor\u00fd obsahuje inform\u00e1cie o tom, ktor\u00e9 SMTP servery (IP adresy) s\u00fa opr\u00e1vnen\u00e9 odosiela\u0165 e-maily z ur\u010ditej dom\u00e9ny.&nbsp;Cie\u013eom SPF je obmedzi\u0165 fal\u0161ovanie odosielate\u013ea v e-maile a zabr\u00e1ni\u0165 tak <strong>SPAMu.<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Ako nastavi\u0165 SPF z\u00e1znam<\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Prihl\u00e1ste sa do <a href=\"https:\/\/admin.websupport.sk\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>Webadminu<\/strong><\/a><\/li>\n\n\n\n<li>Otvorte si sekciu <strong>Slu\u017eby<\/strong> a kliknite na po\u017eadovan\u00fa dom\u00e9nu<\/li>\n\n\n\n<li>Otvorte si kateg\u00f3riu <strong>DNS<\/strong> &#8211; <strong>DNS nastavenia <\/strong>a kateg\u00f3riu <strong>TXT<\/strong><\/li>\n<\/ol>\n\n\n\n<p>Ak odosielate e-maily z Websupportu, SPF z\u00e1znam bude vyzera\u0165 takto:<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">v=spf1 a mx include:_spf.m1.websupport.sk ?all<\/pre>\n\n\n\n<p>Tento z\u00e1znam hovor\u00ed o tom, \u017ee pre dom\u00e9nu <em>vasadomena.tld<\/em> je autoritat\u00edvny SMTP server smtp.m1.websupport.sk. Ke\u010f\u017ee&nbsp;IP adresa SMTP&nbsp;servera, z ktorej bola spr\u00e1va odoslan\u00e1 (smtp.m1.websupport.sk) zodpoved\u00e1 SPF z\u00e1znamu, bude spr\u00e1va \u010falej spracovan\u00e1.<\/p>\n\n\n\n<p>Ak bude spr\u00e1va odoslan\u00e1 cez in\u00fd&nbsp;SMTP server, napr\u00edklad smtp.priklad.sk, e-mail strat\u00ed body vo svojom hodnoten\u00ed a pravdepodobne bude vyhodnoten\u00fd ako SPAM.<br><br>SPF z\u00e1znam &#8222;?all&#8220; je neutr\u00e1lny mechanizmus, \u010do znamen\u00e1, \u017ee e-mail bude v\u017edy akceptovan\u00fd, hoci pri in\u00fdch nastaveniach spf by mohol by\u0165 ozna\u010den\u00fd ako potenci\u00e1lne podozriv\u00fd.<\/p>\n\n\n\n<p>SPF z\u00e1znam &#8222;~all&#8220; je soft fail mechanizmus, \u010do znamen\u00e1, \u017ee e-mail by mal by\u0165 st\u00e1le akceptovan\u00fd, ale mal by by\u0165 ozna\u010den\u00fd ako potenci\u00e1lne podozriv\u00fd. <\/p>\n\n\n\n<p>SPF z\u00e1znam &#8222;-all&#8220; je pr\u00edsny mechanizmus, \u010do znamen\u00e1, \u017ee v\u0161etky e-maily, ktor\u00e9 neprich\u00e1dzaj\u00fa zo zoznamu uveden\u00fdch serverov, by mali by\u0165 zamietnut\u00e9 alebo ozna\u010den\u00e9 ako spam.<\/p>\n\n\n\n<p class=\"has-medium-font-size\"><strong>SPF je s\u00fa\u010das\u0165ou TXT z\u00e1znamov<\/strong>, tak\u017ee jeho nastavenie vykon\u00e1te v \u010dasti DNS &gt; TXT.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"783\" height=\"403\" src=\"https:\/\/www.websupport.sk\/podpora\/app\/uploads\/sites\/2\/2024\/01\/spf-783x403.png\" alt=\"\" class=\"wp-image-26111\" srcset=\"https:\/\/www.websupport.sk\/podpora\/app\/uploads\/sites\/2\/2024\/01\/spf-783x403.png 783w, https:\/\/www.websupport.sk\/podpora\/app\/uploads\/sites\/2\/2024\/01\/spf-300x154.png 300w, https:\/\/www.websupport.sk\/podpora\/app\/uploads\/sites\/2\/2024\/01\/spf-768x395.png 768w, https:\/\/www.websupport.sk\/podpora\/app\/uploads\/sites\/2\/2024\/01\/spf-50x26.png 50w, https:\/\/www.websupport.sk\/podpora\/app\/uploads\/sites\/2\/2024\/01\/spf-1536x790.png 1536w, https:\/\/www.websupport.sk\/podpora\/app\/uploads\/sites\/2\/2024\/01\/spf-60x31.png 60w, https:\/\/www.websupport.sk\/podpora\/app\/uploads\/sites\/2\/2024\/01\/spf-100x51.png 100w, https:\/\/www.websupport.sk\/podpora\/app\/uploads\/sites\/2\/2024\/01\/spf.png 1916w\" sizes=\"auto, (max-width: 783px) 100vw, 783px\" \/><\/figure>\n\n\n<a href=\"https:\/\/www.websupport.sk\/podpora\/kb\/txt-zaznamy\/\" class=\"su-button su-button-style-flat\" style=\"color:#FFFFFF;background-color:#2d7aef;border-color:#2462c0;border-radius:34px\" target=\"_blank\" rel=\"noopener noreferrer\"><span style=\"color:#FFFFFF;padding:0px 18px;font-size:14px;line-height:28px;border-color:#6ca2f4;border-radius:34px;text-shadow:none\"> Ako upravi\u0165 TXT z\u00e1znamy? \u00bb<\/span><\/a>\n\n\n\n<p class=\"wp-block-ht-blocks-messages wp-block-hb-message wp-block-hb-message--withicon is-style-alert\">Zmeny vykonan\u00e9 cez DNS nastavenia vo Webadmine sa v prejavia iba v pr\u00edpade, \u017ee dom\u00e9na m\u00e1 nastaven\u00e9 <strong>Nameservery<\/strong> na Websupport (ns1.websupport.sk). Pri nastaven\u00ed SPF z\u00e1znamu sa presved\u010dte, \u017ee m\u00e1te nastaven\u00e9 <strong>Nameservery<\/strong> na Websupport. Ak pou\u017e\u00edvate vlastn\u00e9 Nameservery alebo NS in\u00e9ho poskytovate\u013ea, po\u017eiadajte ho o pridanie SPF z\u00e1znamu v pr\u00edslu\u0161nom rozhran\u00ed.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Kombin\u00e1cia viacer\u00fdch SPF z\u00e1znamov<\/h3>\n\n\n\n<p>TXT z\u00e1znam pre SPF mus\u00ed by\u0165 v DNS <strong>iba jeden<\/strong>. Ak potrebujete povoli\u0165 odosielanie z viacer\u00fdch serverov, je potrebn\u00e9 SPF z\u00e1znamy skombinova\u0165 do jedn\u00e9ho.<\/p>\n\n\n\n<p>Ak potrebujete napr\u00edklad do n\u00e1\u0161ho spf z\u00e1znamu prida\u0165 google spf z\u00e1znam sprav\u00edte to takto:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>P\u00f4vodn\u00fd z\u00e1znam<\/strong>: <em>v=spf1 a mx include:_spf.m1.websupport.sk ?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.m1.websupport.sk <strong>include:_spf.google.com<\/strong> ?all<\/em><\/li>\n<\/ul>\n\n\n\n<p>Z\u00e1znamy sa odde\u013euj\u00fa medzerami. SPF z\u00e1znamom v na\u0161om pr\u00edklade s\u00fa na odosielanie po\u0161ty autorizovan\u00e9 servery Websupportu a Googlu. Ostatn\u00e9 servery nie su povolen\u00e9 a neprejd\u00fa SPF kontrolou.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">DKIM<\/h2>\n\n\n\n<p>DKIM \u2013 autoriz\u00e1cia odosielan\u00fdch e-mailov pomocou podpisu je na hostingu <strong>predvolene zapnut\u00e1<\/strong>. Overovan\u00fd je v tom pr\u00edpade ka\u017ed\u00fd odoslan\u00fd e-mail z na\u0161ich serverov. DKIM je mo\u017en\u00e9 vypn\u00fa\u0165 na \u00farovni celej dom\u00e9ny, \u010do v\u0161ak neodpor\u00fa\u010dame a to z d\u00f4vodu, \u017ee pom\u00e1ha zabr\u00e1ni\u0165 fal\u0161ovaniu (tzv. spoofing) e-mailov odosielan\u00fdch z va\u0161ej dom\u00e9ny.<\/p>\n\n\n\n<p>DKIM sa prid\u00e1va do DNS z\u00e1znamov automaticky po \u00faspe\u0161nej registr\u00e1cii alebo transfere dom\u00e9ny, a to do 24 hod\u00edn. N\u00e1jdete ho v DNS z\u00e1znamoch v kateg\u00f3rii TXT z\u00e1znamy.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Kontrola vytvoren\u00e9ho DKIM z\u00e1znamu<\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Prihl\u00e1ste sa do <a href=\"https:\/\/admin.websupport.sk\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>Webadminu<\/strong><\/a> <\/li>\n\n\n\n<li>Otvorte si sekciu <strong>Slu\u017eby<\/strong> a kliknite na po\u017eadovan\u00fa dom\u00e9nu<\/li>\n\n\n\n<li>Otvorte si kateg\u00f3riu <strong>DNS<\/strong> &#8211; <strong>DNS nastavenia <\/strong>a kateg\u00f3riu <strong>TXT<\/strong><\/li>\n<\/ol>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"752\" height=\"390\" src=\"https:\/\/www.websupport.sk\/podpora\/app\/uploads\/sites\/2\/2024\/03\/obrazok-15.png\" alt=\"\" class=\"wp-image-27236\" srcset=\"https:\/\/www.websupport.sk\/podpora\/app\/uploads\/sites\/2\/2024\/03\/obrazok-15.png 752w, https:\/\/www.websupport.sk\/podpora\/app\/uploads\/sites\/2\/2024\/03\/obrazok-15-300x156.png 300w, https:\/\/www.websupport.sk\/podpora\/app\/uploads\/sites\/2\/2024\/03\/obrazok-15-50x26.png 50w, https:\/\/www.websupport.sk\/podpora\/app\/uploads\/sites\/2\/2024\/03\/obrazok-15-60x31.png 60w, https:\/\/www.websupport.sk\/podpora\/app\/uploads\/sites\/2\/2024\/03\/obrazok-15-100x52.png 100w\" sizes=\"auto, (max-width: 752px) 100vw, 752px\" \/><\/figure>\n\n\n\n<p>Ak v sekcii m\u00e1te vytvoren\u00fd DKIM z\u00e1znam, to znamen\u00e1, \u017ee ho u\u017e nie je potrebn\u00e9 dodato\u010dne prid\u00e1va\u0165 pre Va\u0161u schr\u00e1nku. V r\u00e1mci TXT z\u00e1znamov m\u00f4\u017eete ma\u0165 viac DKIM z\u00e1znam od odli\u0161n\u00fdch poskytovate\u013eov v pr\u00edpade, \u017ee pou\u017e\u00edvate napr\u00edklad slu\u017ebu mimo Websupport pre odosielanie hromadn\u00fdch mailov.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Kontrola nastavenia zapnut\u00e9ho DKIM z\u00e1znamu<\/h3>\n\n\n\n<p>1. Prihl\u00e1ste sa do <a href=\"https:\/\/admin.websupport.sk\/\">Webadminu<\/a><\/p>\n\n\n\n<p>2. Otvorte si sekciu <strong>Slu\u017eby<\/strong> a kliknite na po\u017eadovan\u00fa <strong>dom\u00e9nu<\/strong><\/p>\n\n\n\n<p>3. V \u013eavom paneli kliknite na sekciu <strong>Emaily<\/strong><\/p>\n\n\n\n<p>4. Prejdite do \u010dasti <strong>Bezpe\u010dnos\u0165 dom\u00e9ny<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"487\" height=\"738\" src=\"https:\/\/www.websupport.sk\/podpora\/app\/uploads\/sites\/2\/2019\/01\/bezp-domeny-2-2.png\" alt=\"\" class=\"wp-image-30930\" style=\"width:258px;height:auto\" srcset=\"https:\/\/www.websupport.sk\/podpora\/app\/uploads\/sites\/2\/2019\/01\/bezp-domeny-2-2.png 487w, https:\/\/www.websupport.sk\/podpora\/app\/uploads\/sites\/2\/2019\/01\/bezp-domeny-2-2-300x455.png 300w, https:\/\/www.websupport.sk\/podpora\/app\/uploads\/sites\/2\/2019\/01\/bezp-domeny-2-2-33x50.png 33w, https:\/\/www.websupport.sk\/podpora\/app\/uploads\/sites\/2\/2019\/01\/bezp-domeny-2-2-40x60.png 40w, https:\/\/www.websupport.sk\/podpora\/app\/uploads\/sites\/2\/2019\/01\/bezp-domeny-2-2-66x100.png 66w\" sizes=\"auto, (max-width: 487px) 100vw, 487px\" \/><\/figure>\n\n\n\n<p>5. V \u010dasti Autoriz\u00e1cia odosielan\u00fdch e-mailov <strong>DKIM<\/strong> vyberte zo zoznamu preferovan\u00e9 nastavenie a kliknite na <strong>Ulo\u017ei\u0165 zmeny<\/strong><\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><\/li>\n<\/ol>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"2088\" height=\"1268\" src=\"https:\/\/www.websupport.sk\/podpora\/app\/uploads\/sites\/2\/2019\/01\/bezp-domeny-3.png\" alt=\"\" class=\"wp-image-30924\" srcset=\"https:\/\/www.websupport.sk\/podpora\/app\/uploads\/sites\/2\/2019\/01\/bezp-domeny-3.png 2088w, https:\/\/www.websupport.sk\/podpora\/app\/uploads\/sites\/2\/2019\/01\/bezp-domeny-3-300x182.png 300w, https:\/\/www.websupport.sk\/podpora\/app\/uploads\/sites\/2\/2019\/01\/bezp-domeny-3-783x476.png 783w, https:\/\/www.websupport.sk\/podpora\/app\/uploads\/sites\/2\/2019\/01\/bezp-domeny-3-768x466.png 768w, https:\/\/www.websupport.sk\/podpora\/app\/uploads\/sites\/2\/2019\/01\/bezp-domeny-3-50x30.png 50w, https:\/\/www.websupport.sk\/podpora\/app\/uploads\/sites\/2\/2019\/01\/bezp-domeny-3-1536x933.png 1536w, https:\/\/www.websupport.sk\/podpora\/app\/uploads\/sites\/2\/2019\/01\/bezp-domeny-3-2048x1244.png 2048w, https:\/\/www.websupport.sk\/podpora\/app\/uploads\/sites\/2\/2019\/01\/bezp-domeny-3-60x36.png 60w, https:\/\/www.websupport.sk\/podpora\/app\/uploads\/sites\/2\/2019\/01\/bezp-domeny-3-100x61.png 100w\" sizes=\"auto, (max-width: 2088px) 100vw, 2088px\" \/><\/figure>\n\n\n\n<p class=\"has-small-font-size\">                                                   <em>Nastavenia DKIM vo WebAdmine<\/em><\/p>\n\n\n\n<p>Ak sa z\u00e1znam DKIM v zozname TXT z\u00e1znamov nenach\u00e1dza, m\u00f4\u017eete ho op\u00e4tovne prida\u0165 v kateg\u00f3rii <strong>DNS<\/strong> cez <strong>R\u00fdchle nastavenia DNS<\/strong>.<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>V \u013eavom paneli pod dom\u00e9nou kliknite na <strong>DNS<\/strong> a zobraz\u00ed sa V\u00e1m preh\u013ead.<\/li>\n\n\n\n<li>Kliknite na pol\u00ed\u010dko <strong>Websupport Mail<\/strong> &#8211; v preh\u013eade z\u00e1znamov sa zobraz\u00ed z\u00e1znam s n\u00e1zvom za\u010d\u00ednaj\u00facim na: mail._domainkey.<\/li>\n\n\n\n<li>Tento z\u00e1znam si skop\u00edrujte a pridajte do TXT z\u00e1znamov manu\u00e1lne ak u\u017e pou\u017e\u00edvate in\u00e9 z\u00e1znamy ako Websupport, aby sa V\u00e1m neprep\u00edsali. Ak si nastavujete DNS z\u00e1znamy vo Websupporte, sta\u010d\u00ed klikn\u00fa\u0165 na <strong>Pokra\u010dova\u0165<\/strong> a z\u00e1znam sa do TXT z\u00e1znamov prid\u00e1 automaticky.<\/li>\n<\/ol>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"783\" height=\"365\" src=\"https:\/\/www.websupport.sk\/podpora\/app\/uploads\/sites\/2\/2024\/01\/image-1-783x365.png\" alt=\"\" class=\"wp-image-26123\" srcset=\"https:\/\/www.websupport.sk\/podpora\/app\/uploads\/sites\/2\/2024\/01\/image-1-783x365.png 783w, https:\/\/www.websupport.sk\/podpora\/app\/uploads\/sites\/2\/2024\/01\/image-1-300x140.png 300w, https:\/\/www.websupport.sk\/podpora\/app\/uploads\/sites\/2\/2024\/01\/image-1-768x358.png 768w, https:\/\/www.websupport.sk\/podpora\/app\/uploads\/sites\/2\/2024\/01\/image-1-50x23.png 50w, https:\/\/www.websupport.sk\/podpora\/app\/uploads\/sites\/2\/2024\/01\/image-1-1536x717.png 1536w, https:\/\/www.websupport.sk\/podpora\/app\/uploads\/sites\/2\/2024\/01\/image-1-2048x955.png 2048w, https:\/\/www.websupport.sk\/podpora\/app\/uploads\/sites\/2\/2024\/01\/image-1-60x28.png 60w, https:\/\/www.websupport.sk\/podpora\/app\/uploads\/sites\/2\/2024\/01\/image-1-100x47.png 100w\" sizes=\"auto, (max-width: 783px) 100vw, 783px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"783\" height=\"324\" src=\"https:\/\/www.websupport.sk\/podpora\/app\/uploads\/sites\/2\/2024\/01\/image-2-783x324.png\" alt=\"\" class=\"wp-image-26126\" srcset=\"https:\/\/www.websupport.sk\/podpora\/app\/uploads\/sites\/2\/2024\/01\/image-2-783x324.png 783w, https:\/\/www.websupport.sk\/podpora\/app\/uploads\/sites\/2\/2024\/01\/image-2-300x124.png 300w, https:\/\/www.websupport.sk\/podpora\/app\/uploads\/sites\/2\/2024\/01\/image-2-768x318.png 768w, https:\/\/www.websupport.sk\/podpora\/app\/uploads\/sites\/2\/2024\/01\/image-2-50x21.png 50w, https:\/\/www.websupport.sk\/podpora\/app\/uploads\/sites\/2\/2024\/01\/image-2-60x25.png 60w, https:\/\/www.websupport.sk\/podpora\/app\/uploads\/sites\/2\/2024\/01\/image-2-100x41.png 100w, https:\/\/www.websupport.sk\/podpora\/app\/uploads\/sites\/2\/2024\/01\/image-2.png 1338w\" sizes=\"auto, (max-width: 783px) 100vw, 783px\" \/><\/figure>\n\n\n\n<p>Ak v r\u00fdchlych nastaveniach nie je DKIM vidite\u013en\u00fd, kontaktujte na\u0161u podporu a radi V\u00e1m pom\u00f4\u017eeme s vygenerovan\u00edm tohto z\u00e1znamu.<\/p>\n\n\n\n<p class=\"wp-block-ht-blocks-messages wp-block-hb-message wp-block-hb-message--withicon is-style-alert\">Ak odosielate e-maily z Websupport a s\u00fa\u010dasne aj od in\u00e9ho poskytovate\u013ea, je mo\u017en\u00e9 nastavi\u0165 viacero DKIM k\u013e\u00fa\u010dov. Tie musia by\u0165 odl\u00ed\u0161en\u00e9 pomocou r\u00f4znych selektorov, napr\u00edklad: <em>mail._domainkey<\/em>.vasadomena.tld a <em>mail1._domainkey<\/em>.vasadomena.tld. Po\u017eiadajte poskytovate\u013ea mailservera o vygenerovanie DKIM s odli\u0161n\u00fdm selektorom ako <em>mail._domainkey<\/em>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">DMARC<\/h2>\n\n\n\n<p>Je \u0161pecifik\u00e1cia, ktor\u00e1 umo\u017e\u0148uje prepoji\u0165 dve technol\u00f3gie autentifik\u00e1cie SPF a DKIM a informova\u0165 server prij\u00edmaj\u00faci spr\u00e1vu o tom, ak\u00e9 pravidl\u00e1 m\u00e1 aplikova\u0165 na spr\u00e1vy z ur\u010ditej dom\u00e9ny.<\/p>\n\n\n\n<p><strong>DMARC<\/strong> na tieto dve technol\u00f3gie nadv\u00e4zuje, kombinuje ich a m\u00e1 nasleduj\u00face k\u013e\u00fa\u010dov\u00e9 vlastnosti:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Vych\u00e1dza z adresy odosielate\u013ea uvedenej v hlavi\u010dke From e-mailu a sna\u017e\u00ed sa overi\u0165, \u010di e-mail bol skuto\u010dne odoslan\u00fd z uvedenej dom\u00e9ny.<\/li>\n\n\n\n<li>Vyu\u017e\u00edva SPF a DKIM \u2013 ak bolo splnen\u00e9 SPF odosielate\u013eovej dom\u00e9ny alebo e-mail nesie jej overen\u00fd DKIM podpis, pova\u017euje ju za d\u00f4veryhodn\u00fa.<\/li>\n\n\n\n<li>Definuje politiku pre ne\u00faspe\u0161n\u00e9 e-maily &#8211; ako sa zachova\u0165 k t\u00fdm, ktor\u00e9 DMARC overen\u00edm neprejd\u00fa.<\/li>\n\n\n\n<li>Umo\u017e\u0148uje nastavi\u0165 sp\u00e4tn\u00fa v\u00e4zbu \u2013 kam a ako posiela\u0165 spr\u00e1vy o v\u00fdsledkoch DMARC pre e-maily (\u00fadajne) odoslan\u00e9 z danej dom\u00e9ny.<\/li>\n\n\n\n<li>Umo\u017e\u0148uje nastavi\u0165 postupn\u00e9 uplat\u0148ovanie na \u010das\u0165 e-mailov, teda nasadzova\u0165 DMARC postupne.<\/li>\n\n\n\n<li>DMARC zverej\u0148uje spr\u00e1vca dom\u00e9ny odosielate\u013ea a overuje sa u pr\u00edjemcu e-mailu.<\/li>\n<\/ul>\n\n\n\n<p>DMARC nie je len samostatnou technol\u00f3giou, nadv\u00e4zuje pr\u00e1ve na existuj\u00face SPF a DKIM. Pomocou nich si pr\u00edjemca over\u00ed, \u010di e-mail vyhovel pravidl\u00e1m pre odoslanie z dom\u00e9ny pod\u013ea hlavi\u010dky from z SMTP a z ktor\u00fdch dom\u00e9n m\u00e1 platn\u00e9 podpisy. Tieto inform\u00e1cie sa potom zasielaj\u00fa do modulu DMARC, ktor\u00fd porovn\u00e1va a sk\u00fama, \u010di dom\u00e9ny overen\u00e9 v SPF alebo DKIM maj\u00fa nie\u010do spolo\u010dn\u00e9 z uvedenej dom\u00e9ny v hlavi\u010dke from. Pokia\u013e aspo\u0148 jedna \u010das\u0165 je pravdiv\u00e1, tak sa pod\u013ea DMARC d\u00e1 veri\u0165 tomu, \u017ee e-mail bol naozaj odoslan\u00fd z danej dom\u00e9ny.<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>Od Febru\u00e1ra 2024 je po\u017eadovan\u00e9 od poskytovate\u013eov e-mailov\u00fdch slu\u017eieb ako Gmail a Yahoo, aby odosielatelia, ktor\u00ed odosielaj\u00fa hromadn\u00e9 e-maily (nad 5000 denne) mali nastaven\u00fd DMARC z\u00e1znam.<\/p>\n<\/blockquote>\n\n\n\n<h3 class=\"wp-block-heading\">Ako nastavi\u0165 DMARC<\/h3>\n\n\n\n<p>DMARC aktivujeme pridan\u00edm DNS z\u00e1znamu typu TXT<\/p>\n\n\n\n<p>Adresa: <strong>_dmarc <\/strong><br>Text: <strong>v=DMARC1; p=none; rua=mailto:reporty@vasadomena.<\/strong>tld <br>alebo <code><strong>v=DMARC1<\/strong>; p=none;<\/code><br>TTL: <strong>600<\/strong><\/p>\n\n\n\n<p>V r\u00e1mci DMARC m\u00f4\u017eete nastavi\u0165 nieko\u013eko parametrov upravuj\u00facich jeho spr\u00e1vanie.<\/p>\n\n\n\n<p><strong>&#8222;v&#8220;<\/strong> &#8211; verzia protokolu, v s\u00fa\u010dasnosti sa pou\u017e\u00edva iba DMARC1<\/p>\n\n\n\n<p><strong>&#8222;p&#8220;<\/strong> &#8211; po\u017eadovan\u00e1 akcia pr\u00edjemcu, teda ako m\u00e1 pr\u00edjemca nalo\u017ei\u0165 so spr\u00e1vou, ktor\u00e1 ne\u00faspe\u0161ne pre\u0161la kontrolou SPF a DKIM. Mo\u017enosti s\u00fa:<\/p>\n\n\n\n<p><strong>none<\/strong> &#8211; pr\u00edjemca nevykon\u00e1 \u017eiadnu akciu navy\u0161e, \u0161tandardne teda vykon\u00e1 kontroly SPF a DKIM a na z\u00e1klade t\u00fdchto a \u010fal\u0161\u00edch v\u00fdsledkov potom vyhodnot\u00ed d\u00f4veryhodnos\u0165 spr\u00e1vy a spracuje ju pod\u013ea vlastn\u00fdch pravidiel,<br><strong>quarantine<\/strong> &#8211; pr\u00edjemca dostane spr\u00e1vu ozna\u010den\u00fa ako ur\u010den\u00fa do karant\u00e9ny a pod\u013ea svojich pravidiel s \u0148ou nalo\u017e\u00ed, napr\u00edklad ju presunie do nevy\u017eiadanej po\u0161ty alebo jej prid\u00e1 zna\u010dku SPAM,<br><strong>reject<\/strong> &#8211; pr\u00edjemca v tomto pr\u00edpade odmietne doru\u010denie spr\u00e1vy, v\u00f4bec teda nedoraz\u00ed do cie\u013eov\u00e9ho mailboxu.<\/p>\n\n\n\n<p><strong>&#8222;rua&#8220;<\/strong> &#8211; e-mailov\u00e1 adresa pre zasielanie agregovan\u00fdch reportov o tom, ktor\u00e9 e-maily dom\u00e9ny nepre\u0161li kontrolou DMARC. Pou\u017e\u00edva sa na odosielanie s\u00fahrnn\u00fdch spr\u00e1v o overovan\u00ed emailov a poskytuje preh\u013ead o odoslan\u00ed. Jedn\u00e1 sa o kombinovan\u00e9 d\u00e1ta v r\u00e1mci skupiny mailov.<\/p>\n\n\n\n<p>&#8222;<strong>ruf<\/strong>&#8220; &#8211; e-mailov\u00e1 adresa pre zasielanie forenzn\u00fdch reportov, pou\u017e\u00edva na odosielanie podrobn\u00fdch spr\u00e1v o konkr\u00e9tnych chyb\u00e1ch v overovan\u00ed emailov. Poskytuje konkr\u00e9tne detaily, ke\u010f pr\u00edde ku chybe v r\u00e1mci overovania emailov. To znamen\u00e1, \u017ee upozornenie b\u00fdva zasielan\u00e9 pre ka\u017ed\u00fd mail konkr\u00e9tne a kr\u00e1tko po ne\u00faspe\u0161nom odoslan\u00ed.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Generovanie z\u00e1znamu cez mxtoolbox<\/h3>\n\n\n\n<p>Ak sa nechcete pom\u00fdli\u0165 pri nastaven\u00ed DMARC z\u00e1znamu, je mo\u017en\u00e9 ho aj jednoducho vygenerova\u0165 na str\u00e1nke <a href=\"https:\/\/mxtoolbox.com\/DMARCRecordGenerator.aspx\" target=\"_blank\" rel=\"noreferrer noopener\">MX Toolbox<\/a>.<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Otvorte si str\u00e1nku <a href=\"https:\/\/mxtoolbox.com\/DMARCRecordGenerator.aspx\">MX Toolbox<\/a>.<\/li>\n\n\n\n<li>Zad\u00e1te n\u00e1zov dom\u00e9ny a kliknete na &#8222;Check DMARC record&#8220;. <\/li>\n\n\n\n<li>Na \u013eavej strane nastav\u00edte jednotliv\u00e9 parametre pod\u013ea v\u00fdpisu vy\u0161\u0161ie a na pravej strane sa automaticky aktualizuje DMARC pod\u013ea zadan\u00fdch parametrov.<\/li>\n<\/ol>\n\n\n\n<p>Hotov\u00fd &#8222;suggested record&#8220; skop\u00edrujeme a vytvor\u00edme nov\u00fd TXT z\u00e1znam vo <a href=\"https:\/\/admin.websupport.sk\/\" target=\"_blank\" rel=\"noreferrer noopener\">Webadmine<\/a>. Ak ste e\u0161te nevytv\u00e1rali TXT z\u00e1znam, pou\u017eite tento <a href=\"https:\/\/www.websupport.sk\/podpora\/kb\/txt-zaznamy\/#zmena-txt-zaznamu\" target=\"_blank\" rel=\"noreferrer noopener\">n\u00e1vod<\/a>.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"783\" height=\"294\" src=\"https:\/\/www.websupport.sk\/podpora\/app\/uploads\/sites\/2\/2024\/01\/image-3-783x294.png\" alt=\"\" class=\"wp-image-26129\" srcset=\"https:\/\/www.websupport.sk\/podpora\/app\/uploads\/sites\/2\/2024\/01\/image-3-783x294.png 783w, https:\/\/www.websupport.sk\/podpora\/app\/uploads\/sites\/2\/2024\/01\/image-3-300x113.png 300w, https:\/\/www.websupport.sk\/podpora\/app\/uploads\/sites\/2\/2024\/01\/image-3-768x289.png 768w, https:\/\/www.websupport.sk\/podpora\/app\/uploads\/sites\/2\/2024\/01\/image-3-50x19.png 50w, https:\/\/www.websupport.sk\/podpora\/app\/uploads\/sites\/2\/2024\/01\/image-3-1536x578.png 1536w, https:\/\/www.websupport.sk\/podpora\/app\/uploads\/sites\/2\/2024\/01\/image-3-2048x770.png 2048w, https:\/\/www.websupport.sk\/podpora\/app\/uploads\/sites\/2\/2024\/01\/image-3-60x23.png 60w, https:\/\/www.websupport.sk\/podpora\/app\/uploads\/sites\/2\/2024\/01\/image-3-100x38.png 100w\" sizes=\"auto, (max-width: 783px) 100vw, 783px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-ht-blocks-messages wp-block-hb-message wp-block-hb-message--withicon\">MX Toolbox m\u00f4\u017eete pou\u017ei\u0165 aj na overenie spr\u00e1vnosti vytvoren\u00e9ho DMARC.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"541\" height=\"65\" src=\"https:\/\/www.websupport.sk\/podpora\/app\/uploads\/sites\/2\/2024\/01\/image-4.png\" alt=\"\" class=\"wp-image-26159\" srcset=\"https:\/\/www.websupport.sk\/podpora\/app\/uploads\/sites\/2\/2024\/01\/image-4.png 541w, https:\/\/www.websupport.sk\/podpora\/app\/uploads\/sites\/2\/2024\/01\/image-4-300x36.png 300w, https:\/\/www.websupport.sk\/podpora\/app\/uploads\/sites\/2\/2024\/01\/image-4-50x6.png 50w, https:\/\/www.websupport.sk\/podpora\/app\/uploads\/sites\/2\/2024\/01\/image-4-60x7.png 60w, https:\/\/www.websupport.sk\/podpora\/app\/uploads\/sites\/2\/2024\/01\/image-4-100x12.png 100w\" sizes=\"auto, (max-width: 541px) 100vw, 541px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">\u010eal\u0161ie odpor\u00fa\u010dania<\/h2>\n\n\n\n<p>Pri hodnoten\u00ed e-mailu s\u00fa zahrnut\u00e9 aj \u010fal\u0161ie krit\u00e9ri\u00e1, ako je napr\u00edklad ve\u013ekos\u0165 pr\u00edlohy, textov\u00fd obsah, funk\u010dnos\u0165 pou\u017eit\u00fdch URL odkazov, a in\u00e9. S nastaveniami m\u00f4\u017ee pom\u00f4c\u0165 pr\u00e1ve <a href=\"https:\/\/www.mail-tester.com\">Mail Tester<\/a>, ktor\u00fd testuje aj obsahov\u00e9 krit\u00e9ri\u00e1 e-mailu.<\/p>\n\n\n\n<p>Odpor\u00fa\u010dania pre \u010fal\u0161ie zlep\u0161ovanie doru\u010dite\u013enosti e-mailov n\u00e1jdete aj v \u010dl\u00e1nku od <a href=\"https:\/\/sendgrid.com\/en-us\/blog\/gmail-yahoo-sender-requirements\">Sendgrid<\/a>.<\/p>\n\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Ako pracova\u0165 so slu\u017ebou Mail tester<\/h2>\n\n\n\n<p>Uk\u00e1\u017eeme si ako funguje bezplatn\u00e1 slu\u017eba <a href=\"https:\/\/www.mail-tester.com\">Mail Tester <\/a>pre to, aby ste z\u00edskali v\u00fdsledky na z\u00e1klade ktor\u00fdch viete zlep\u0161i\u0165 doru\u010dite\u013enos\u0165 e-mailov z konkr\u00e9tnej dom\u00e9ny alebo subdom\u00e9ny.<\/p>\n\n\n\n<p>1. Dostanete sa na hlavn\u00fa str\u00e1nku tejto slu\u017eby. <\/p>\n\n\n\n<p>2. Skop\u00edrujte e-mailov\u00fa adresu z pol\u00ed\u010dka na str\u00e1nke mail-tester.com<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1036\" height=\"541\" src=\"https:\/\/www.websupport.sk\/podpora\/app\/uploads\/sites\/2\/2024\/06\/tester-1.png\" alt=\"\" class=\"wp-image-28140\" srcset=\"https:\/\/www.websupport.sk\/podpora\/app\/uploads\/sites\/2\/2024\/06\/tester-1.png 1036w, https:\/\/www.websupport.sk\/podpora\/app\/uploads\/sites\/2\/2024\/06\/tester-1-300x157.png 300w, https:\/\/www.websupport.sk\/podpora\/app\/uploads\/sites\/2\/2024\/06\/tester-1-783x409.png 783w, https:\/\/www.websupport.sk\/podpora\/app\/uploads\/sites\/2\/2024\/06\/tester-1-768x401.png 768w, https:\/\/www.websupport.sk\/podpora\/app\/uploads\/sites\/2\/2024\/06\/tester-1-50x26.png 50w, https:\/\/www.websupport.sk\/podpora\/app\/uploads\/sites\/2\/2024\/06\/tester-1-60x31.png 60w, https:\/\/www.websupport.sk\/podpora\/app\/uploads\/sites\/2\/2024\/06\/tester-1-100x52.png 100w\" sizes=\"auto, (max-width: 1036px) 100vw, 1036px\" \/><\/figure>\n\n\n\n<p>3. Nap\u00ed\u0161te nov\u00fd e-mail z e-mailovej adresy, ktor\u00fa chcete otestova\u0165 kv\u00f4li zlep\u0161eniu doru\u010dite\u013enosti e-mailov a pr\u00edjemcu zadajte ako e-mailov\u00fa adresu uveden\u00fa na ich str\u00e1nke tejto slu\u017eby a odo\u0161lite e-mail.<\/p>\n\n\n\n<p>4. Kliknite na tla\u010didlo <strong>Then check your score<\/strong> a po\u010dkajte na zobrazenie v\u00fdsledkov.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"520\" height=\"340\" src=\"https:\/\/www.websupport.sk\/podpora\/app\/uploads\/sites\/2\/2024\/06\/tester2-1.png\" alt=\"\" class=\"wp-image-28146\" srcset=\"https:\/\/www.websupport.sk\/podpora\/app\/uploads\/sites\/2\/2024\/06\/tester2-1.png 520w, https:\/\/www.websupport.sk\/podpora\/app\/uploads\/sites\/2\/2024\/06\/tester2-1-300x196.png 300w, https:\/\/www.websupport.sk\/podpora\/app\/uploads\/sites\/2\/2024\/06\/tester2-1-50x33.png 50w, https:\/\/www.websupport.sk\/podpora\/app\/uploads\/sites\/2\/2024\/06\/tester2-1-60x39.png 60w, https:\/\/www.websupport.sk\/podpora\/app\/uploads\/sites\/2\/2024\/06\/tester2-1-100x65.png 100w\" sizes=\"auto, (max-width: 520px) 100vw, 520px\" \/><\/figure>\n\n\n\n<p>5. V spodnej \u010dasti obrazovky uvid\u00edte rozklik\u00e1vacie sekcie, ktor\u00e9 V\u00e1m upresnia, kde je potrebn\u00e9 e\u0161te vykona\u0165 \u010fal\u0161ie zmeny pre to, aby sa zlep\u0161ila doru\u010dite\u013enos\u0165 e-mailov.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"783\" height=\"298\" src=\"https:\/\/www.websupport.sk\/podpora\/app\/uploads\/sites\/2\/2024\/06\/tester3-783x298.png\" alt=\"\" class=\"wp-image-28149\" srcset=\"https:\/\/www.websupport.sk\/podpora\/app\/uploads\/sites\/2\/2024\/06\/tester3-783x298.png 783w, https:\/\/www.websupport.sk\/podpora\/app\/uploads\/sites\/2\/2024\/06\/tester3-300x114.png 300w, https:\/\/www.websupport.sk\/podpora\/app\/uploads\/sites\/2\/2024\/06\/tester3-768x292.png 768w, https:\/\/www.websupport.sk\/podpora\/app\/uploads\/sites\/2\/2024\/06\/tester3-50x19.png 50w, https:\/\/www.websupport.sk\/podpora\/app\/uploads\/sites\/2\/2024\/06\/tester3-60x23.png 60w, https:\/\/www.websupport.sk\/podpora\/app\/uploads\/sites\/2\/2024\/06\/tester3-100x38.png 100w, https:\/\/www.websupport.sk\/podpora\/app\/uploads\/sites\/2\/2024\/06\/tester3.png 1119w\" sizes=\"auto, (max-width: 783px) 100vw, 783px\" \/><\/figure>\n\n\n\n<p>V pr\u00edpade nejasnost\u00ed n\u00e1s sta\u010d\u00ed kontaktova\u0165 a radi V\u00e1m pom\u00f4\u017eeme s nastaveniami, ktor\u00e9 s\u00fa potrebn\u00e9 pre to, aby sa doru\u010dite\u013enos\u0165 e-mailov zv\u00fd\u0161ila.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Optimalizujte doru\u010dite\u013enos\u0165 e-mailov pomocou SPF, DKIM a DMARC. Spoznajte kroky na nastavenie t\u00fdchto z\u00e1znamov a zv\u00fd\u0161te d\u00f4veryhodnos\u0165 va\u0161ich spr\u00e1v. Zv\u00fd\u0161te sk\u00f3re e-mailu a minimalizujte riziko, \u017ee skon\u010d\u00ed v SPAMe.<\/p>\n","protected":false},"author":30,"template":"","format":"standard","meta":{"footnotes":""},"ht-kb-category":[37,68,56],"ht-kb-tag":[291,282],"class_list":["post-7176","ht_kb","type-ht_kb","status-publish","format-standard","hentry","ht_kb_category-dns-zaznamy","ht_kb_category-pokrocile-nastavenia","ht_kb_category-emaily","ht_kb_tag-dns","ht_kb_tag-email"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Zlep\u0161ovanie doru\u010dite\u013enosti e-mailov (SPF, DKIM, DMARC) - Websupport centrum podpory<\/title>\n<meta name=\"description\" content=\"Optimalizujte doru\u010dite\u013enos\u0165 e-mailov pomocou SPF, DKIM a DMARC. Spoznajte kroky na nastavenie t\u00fdchto z\u00e1znamov a zv\u00fd\u0161te d\u00f4veryhodnos\u0165 va\u0161ich spr\u00e1v. Zv\u00fd\u0161te sk\u00f3re e-mailu a minimalizujte riziko, \u017ee skon\u010d\u00ed v SPAMe.\" \/>\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.sk\/podpora\/kb\/zlepsovanie-dorucitelnosti-emailov\/\" \/>\n<meta property=\"og:locale\" content=\"sk_SK\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Zlep\u0161ovanie doru\u010dite\u013enosti e-mailov (SPF, DKIM, DMARC) - Websupport centrum podpory\" \/>\n<meta property=\"og:description\" content=\"Optimalizujte doru\u010dite\u013enos\u0165 e-mailov pomocou SPF, DKIM a DMARC. Spoznajte kroky na nastavenie t\u00fdchto z\u00e1znamov a zv\u00fd\u0161te d\u00f4veryhodnos\u0165 va\u0161ich spr\u00e1v. Zv\u00fd\u0161te sk\u00f3re e-mailu a minimalizujte riziko, \u017ee skon\u010d\u00ed v SPAMe.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.websupport.sk\/podpora\/kb\/zlepsovanie-dorucitelnosti-emailov\/\" \/>\n<meta property=\"og:site_name\" content=\"Websupport centrum podpory\" \/>\n<meta property=\"article:modified_time\" content=\"2025-09-16T11:53:48+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.websupport.sk\/podpora\/app\/uploads\/sites\/2\/2024\/01\/spf.png\" \/>\n\t<meta property=\"og:image:width\" content=\"1916\" \/>\n\t<meta property=\"og:image:height\" content=\"986\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Predpokladan\u00fd \u010das \u010d\u00edtania\" \/>\n\t<meta name=\"twitter:data1\" content=\"21 min\u00fat\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.websupport.sk\\\/podpora\\\/kb\\\/zlepsovanie-dorucitelnosti-emailov\\\/\",\"url\":\"https:\\\/\\\/www.websupport.sk\\\/podpora\\\/kb\\\/zlepsovanie-dorucitelnosti-emailov\\\/\",\"name\":\"Zlep\u0161ovanie doru\u010dite\u013enosti e-mailov (SPF, DKIM, DMARC) - Websupport centrum podpory\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.websupport.sk\\\/podpora\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/www.websupport.sk\\\/podpora\\\/kb\\\/zlepsovanie-dorucitelnosti-emailov\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/www.websupport.sk\\\/podpora\\\/kb\\\/zlepsovanie-dorucitelnosti-emailov\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.websupport.sk\\\/podpora\\\/app\\\/uploads\\\/sites\\\/2\\\/2024\\\/01\\\/spf-783x403.png\",\"datePublished\":\"2019-01-31T16:41:53+00:00\",\"dateModified\":\"2025-09-16T11:53:48+00:00\",\"description\":\"Optimalizujte doru\u010dite\u013enos\u0165 e-mailov pomocou SPF, DKIM a DMARC. 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