{"id":11666,"date":"2024-01-11T16:28:21","date_gmt":"2024-01-11T15:28:21","guid":{"rendered":"https:\/\/www.websupport.cz\/podpora\/?post_type=ht_kb&#038;p=11666"},"modified":"2025-11-05T15:53:02","modified_gmt":"2025-11-05T14:53:02","slug":"zlepsovani-dorucitelnosti-e-mailu-spf-dkim-dmarc","status":"publish","type":"ht_kb","link":"https:\/\/www.websupport.cz\/podpora\/kb\/zlepsovani-dorucitelnosti-e-mailu-spf-dkim-dmarc\/","title":{"rendered":"Zlep\u0161ov\u00e1n\u00ed doru\u010ditelnosti e-mail\u016f (SPF, DKIM, DMARC)"},"content":{"rendered":"\n<p class=\"wp-block-ht-blocks-messages wp-block-hb-message wp-block-hb-message--withicon is-style-alert\">Od \u00fanora 2024 budou slu\u017eby jako Gmail \u010di Yahoo Mail vy\u017eadovat nastaven\u00ed DMARC od odes\u00edlatel\u016f. Zejm\u00e9na t\u011bch, kte\u0159\u00ed odes\u00edlaj\u00ed hromadn\u00e9 zpr\u00e1vy a newslettery.  <\/p>\n\n\n\n<p>Pokud chcete zlep\u0161it doru\u010dov\u00e1n\u00ed po\u0161ty a zv\u00fd\u0161it sk\u00f3re email\u016f pro p\u0159\u00edjemce zpr\u00e1v, je pot\u0159ebn\u00e9 optimalizovat nastaven\u00ed Va\u0161\u00ed dom\u00e9ny. Po\u0161tovn\u00ed servery Gmailu nebo Yahoo \u010dasto vyhodnot\u00ed email kv\u016fli jednomu z t\u011bchto nastaven\u00ed jako SPAM. V tomto n\u00e1vodu si projdeme z\u00e1kladn\u00ed optimalizaci a nastaven\u00ed dom\u00e9ny, aby emaily p\u0159ich\u00e1zeli bez probl\u00e9m\u016f.<\/p>\n\n\n\n<p>Bezplatn\u00fd n\u00e1stroj, kter\u00fd m\u016f\u017ee zlep\u0161it hodnocen\u00ed konkr\u00e9tn\u00edch email\u016f nebo odhalit p\u0159\u00ed\u010dinu ozna\u010den\u00ed email\u016f jako SPAM se naz\u00fdv\u00e1 <a href=\"https:\/\/www.mail-tester.com\/\">Mail Tester<\/a>. N\u00e1stroj kontroluje sk\u00f3re konkr\u00e9tn\u00edho emailu a poskytne n\u00e1vrhy jako zlep\u0161it doru\u010dov\u00e1n\u00ed email\u016f ze strany odes\u00edlatele. <\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"spf\">SPF<\/h2>\n\n\n\n<p><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) maj\u00ed opr\u00e1vn\u011bn\u00ed odes\u00edlat emaily z ur\u010dit\u00e9 dom\u00e9ny. C\u00edlem SPF je omezit fal\u0161ov\u00e1n\u00ed odes\u00edlatele v emailu a zabr\u00e1nit tak <strong>SPAMu<\/strong>.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"ako-nastavit-spf-zaznam\">Jak nastavit SPF z\u00e1znam<\/h3>\n\n\n\n<p>Pokud odes\u00edl\u00e1te emaily z Websupportu, SPF z\u00e1znam bude vypadat takto:  <br><em>v=spf1 a mx include:_spf.m1.websupport.sk ?all<\/em><\/p>\n\n\n\n<p>Tento z\u00e1znam hovo\u0159\u00ed o tom, \u017ee pro dom\u00e9nu <em>vasedomena.tld<\/em> je autorizovan\u00fd SMTP server smtp.m1.websupport.sk. Pokud IP adresa SMTP serveru, ze kter\u00e9 byla zpr\u00e1va odeslan\u00e1 (smtp.m1.websupport.sk), odpov\u00edd\u00e1 SPF z\u00e1znamu, bude zpr\u00e1va d\u00e1le zpracovan\u00e1.<\/p>\n\n\n\n<p>Jakmile bude zpr\u00e1va odeslan\u00e1 skrze ciz\u00ed SMTP server, nap\u0159. smtp.priklad.cz, e-mail ztrat\u00ed body ve sv\u00e9m hodnocen\u00ed a pravd\u011bpodobn\u011b bude vyhodnocen\u00fd jako SPAM.<\/p>\n\n\n\n<p><strong>SPF je sou\u010d\u00e1st\u00ed TXT z\u00e1znam\u016f<\/strong>, tak\u017ee jeho nastaven\u00ed vykon\u00e1te v \u010d\u00e1sti DNS &gt; TXT z\u00e1znamy.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"315\" src=\"https:\/\/www.websupport.cz\/podpora\/app\/uploads\/2024\/01\/txt-rec-800x315.png\" alt=\"\" class=\"wp-image-11690\" srcset=\"https:\/\/www.websupport.cz\/podpora\/app\/uploads\/2024\/01\/txt-rec-800x315.png 800w, https:\/\/www.websupport.cz\/podpora\/app\/uploads\/2024\/01\/txt-rec-400x157.png 400w, https:\/\/www.websupport.cz\/podpora\/app\/uploads\/2024\/01\/txt-rec-768x302.png 768w, https:\/\/www.websupport.cz\/podpora\/app\/uploads\/2024\/01\/txt-rec-50x20.png 50w, https:\/\/www.websupport.cz\/podpora\/app\/uploads\/2024\/01\/txt-rec-60x24.png 60w, https:\/\/www.websupport.cz\/podpora\/app\/uploads\/2024\/01\/txt-rec-100x39.png 100w, https:\/\/www.websupport.cz\/podpora\/app\/uploads\/2024\/01\/txt-rec.png 1260w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<p><a href=\"https:\/\/www.websupport.cz\/podpora\/kb\/txt-zaznamy\/\" target=\"_blank\" rel=\"noreferrer noopener\">Jak upravit TXT z\u00e1znamy? \u00bb<\/a><\/p>\n\n\n\n<p>Zm\u011bny vykonan\u00e9 skrze DNS nastaven\u00ed u n\u00e1s se projev\u00ed jen v p\u0159\u00edpad\u011b, \u017ee dom\u00e9na m\u00e1 nastaven\u00e9 <strong>Nameservery <\/strong>na Websupport (ns1.websupport.cz). P\u0159i nastaven\u00ed SPF z\u00e1znamu se p\u0159esv\u011bd\u010dte, \u017ee m\u00e1te nastaven\u00e9 <strong>Nameservery<\/strong> na Websupport. Pokud pou\u017e\u00edv\u00e1te vlastn\u00ed Nameservery nebo NS jin\u00e9ho poskytovatele, po\u017e\u00e1dejte jej o p\u0159id\u00e1n\u00ed SPF z\u00e1znamu v p\u0159\u00edslu\u0161n\u00e9m rozhrann\u00ed. <\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"kombinacia-viacerych-spf-zaznamov\">Kombinace v\u00edcer\u00fdch SPF z\u00e1znam\u016f <\/h3>\n\n\n\n<p>TXT z\u00e1znam pro SPF mus\u00ed b\u00fdt v DNS z\u00e1znamu jen jeden. Pokud pot\u0159ebujete povolit odes\u00edl\u00e1n\u00ed z v\u00edcero server\u016f, je pot\u0159eba SPF z\u00e1znamy kombinovat 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, provedete to takto:<\/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.m1.websupport.sk ?all<\/em><\/li>\n\n\n\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 se odd\u011bluj\u00ed mezerami. SPF z\u00e1znamy v na\u0161em p\u0159\u00edkladu maj\u00ed autorizovan\u00e9 servery Websupportu a Googlu. Ostatn\u00ed servery nejsou povoleny a neprojdou p\u0159es SPF kontrolu.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"dkim\">DKIM<\/h2>\n\n\n\n<p>DKIM (<em>DomainKeys Identified Mail<\/em>)\u2013 autorizace odeslan\u00fdch email\u016f pomoc\u00ed podpisu je na hostingu <strong>v z\u00e1kladu zapnut\u00e1<\/strong>. Ov\u011b\u0159ovan\u00fd je v tomto p\u0159\u00edpad\u011b ka\u017ed\u00fd email z na\u0161ich server\u016f. <\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"ako-nastavit-dkim\">Jak nastavit DKIM<\/h3>\n\n\n\n<p>Prvn\u00ed krok je zapnut\u00ed ov\u011b\u0159ov\u00e1n\u00ed email\u016f pomoc\u00ed DKIM, kter\u00e9 je mo\u017en\u00e9 zapnout\/vypnout na \u00farovni cel\u00e9 dom\u00e9ny.<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>P\u0159ihlaste se do <a href=\"https:\/\/admin.websupport.cz\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>Webadminu<\/strong><\/a><\/li>\n\n\n\n<li>P\u0159ejd\u011bte na sekci <strong>Slu\u017eby<\/strong> a klikn\u011bte na po\u017eadovanou dom\u00e9nu.<\/li>\n\n\n\n<li>V lev\u00e9m menu klikn\u011bte na sekci <strong>Emaily<\/strong><\/li>\n\n\n\n<li>P\u0159ejd\u011bte do \u010d\u00e1sti <strong>Bezpe\u010dnost dom\u00e9ny<\/strong> (Domain security)<\/li>\n\n\n\n<li>V \u010d\u00e1sti Autorizace odes\u00edlan\u00fdch email\u016f DKIM m\u016f\u017eete ze seznamu vybrat mo\u017enost nastaven\u00ed <em>zapnut\u00e9 <\/em>nebo <em>vypnut\u00e9<\/em><\/li>\n<\/ol>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"417\" src=\"https:\/\/www.websupport.cz\/podpora\/app\/uploads\/2024\/01\/bezpecnost-domeny-800x417.png\" alt=\"\" class=\"wp-image-11696\" srcset=\"https:\/\/www.websupport.cz\/podpora\/app\/uploads\/2024\/01\/bezpecnost-domeny-800x417.png 800w, https:\/\/www.websupport.cz\/podpora\/app\/uploads\/2024\/01\/bezpecnost-domeny-400x208.png 400w, https:\/\/www.websupport.cz\/podpora\/app\/uploads\/2024\/01\/bezpecnost-domeny-768x400.png 768w, https:\/\/www.websupport.cz\/podpora\/app\/uploads\/2024\/01\/bezpecnost-domeny-50x26.png 50w, https:\/\/www.websupport.cz\/podpora\/app\/uploads\/2024\/01\/bezpecnost-domeny-60x31.png 60w, https:\/\/www.websupport.cz\/podpora\/app\/uploads\/2024\/01\/bezpecnost-domeny-100x52.png 100w, https:\/\/www.websupport.cz\/podpora\/app\/uploads\/2024\/01\/bezpecnost-domeny.png 1260w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption class=\"wp-element-caption\"><em>Nastaven\u00ed DKIM ve WebAdminu<\/em><\/figcaption><\/figure>\n\n\n\n<p>Druh\u00fd krok je p\u0159id\u00e1n\u00ed DKIM do DNS z\u00e1znam\u016f dom\u00e9ny. DKIM se p\u0159id\u00e1v\u00e1 automaticky po \u00fasp\u011b\u0161n\u00e9 registraci \u010di transferu dom\u00e9ny, a to do 24 hodin. Najdete ho v z\u00e1znamech v kategorii TXT z\u00e1znamy. <\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"315\" src=\"https:\/\/www.websupport.cz\/podpora\/app\/uploads\/2024\/01\/txt-rec-1-800x315.png\" alt=\"\" class=\"wp-image-11693\" srcset=\"https:\/\/www.websupport.cz\/podpora\/app\/uploads\/2024\/01\/txt-rec-1-800x315.png 800w, https:\/\/www.websupport.cz\/podpora\/app\/uploads\/2024\/01\/txt-rec-1-400x157.png 400w, https:\/\/www.websupport.cz\/podpora\/app\/uploads\/2024\/01\/txt-rec-1-768x302.png 768w, https:\/\/www.websupport.cz\/podpora\/app\/uploads\/2024\/01\/txt-rec-1-50x20.png 50w, https:\/\/www.websupport.cz\/podpora\/app\/uploads\/2024\/01\/txt-rec-1-60x24.png 60w, https:\/\/www.websupport.cz\/podpora\/app\/uploads\/2024\/01\/txt-rec-1-100x39.png 100w, https:\/\/www.websupport.cz\/podpora\/app\/uploads\/2024\/01\/txt-rec-1.png 1260w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<p>Pokud DKIM v seznamu TXT z\u00e1znam\u016f nen\u00ed vid\u011bt, m\u016f\u017eete ho op\u011btovn\u011b p\u0159idat:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>V lev\u00e9 menu pod dom\u00e9nou p\u0159ejd\u011bte do <strong>DNS<\/strong><\/li>\n\n\n\n<li>Klikn\u011bte na <strong>Rychl\u00e9 nastaven\u00ed<\/strong><\/li>\n\n\n\n<li>Klikn\u011bte na mo\u017enost <strong>Websupport Mail<\/strong> &#8211; v p\u0159ehledu z\u00e1znam\u016f se V\u00e1m zobraz\u00ed n\u00e1zev za\u010d\u00ednaj\u00edc\u00ed na: mail._domainkey.<\/li>\n\n\n\n<li>Tento z\u00e1znam si zkop\u00edrujete a p\u0159id\u00e1te do TXT z\u00e1znam\u016f. Jakmile si nastav\u00edte DNS z\u00e1znamy ve Websupportu, sta\u010d\u00ed kliknout na Pokra\u010dovat (Continue) a z\u00e1znam se p\u0159id\u00e1 automaticky. <\/li>\n<\/ol>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"288\" src=\"https:\/\/www.websupport.cz\/podpora\/app\/uploads\/2024\/01\/quick-settings-800x288.png\" alt=\"\" class=\"wp-image-11699\" style=\"width:669px;height:auto\" srcset=\"https:\/\/www.websupport.cz\/podpora\/app\/uploads\/2024\/01\/quick-settings-800x288.png 800w, https:\/\/www.websupport.cz\/podpora\/app\/uploads\/2024\/01\/quick-settings-400x144.png 400w, https:\/\/www.websupport.cz\/podpora\/app\/uploads\/2024\/01\/quick-settings-768x277.png 768w, https:\/\/www.websupport.cz\/podpora\/app\/uploads\/2024\/01\/quick-settings-50x18.png 50w, https:\/\/www.websupport.cz\/podpora\/app\/uploads\/2024\/01\/quick-settings-1536x553.png 1536w, https:\/\/www.websupport.cz\/podpora\/app\/uploads\/2024\/01\/quick-settings-60x22.png 60w, https:\/\/www.websupport.cz\/podpora\/app\/uploads\/2024\/01\/quick-settings-100x36.png 100w, https:\/\/www.websupport.cz\/podpora\/app\/uploads\/2024\/01\/quick-settings.png 1782w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"167\" src=\"https:\/\/www.websupport.cz\/podpora\/app\/uploads\/2024\/01\/quick-set-800x167.png\" alt=\"\" class=\"wp-image-11702\" srcset=\"https:\/\/www.websupport.cz\/podpora\/app\/uploads\/2024\/01\/quick-set-800x167.png 800w, https:\/\/www.websupport.cz\/podpora\/app\/uploads\/2024\/01\/quick-set-400x84.png 400w, https:\/\/www.websupport.cz\/podpora\/app\/uploads\/2024\/01\/quick-set-768x160.png 768w, https:\/\/www.websupport.cz\/podpora\/app\/uploads\/2024\/01\/quick-set-50x10.png 50w, https:\/\/www.websupport.cz\/podpora\/app\/uploads\/2024\/01\/quick-set-60x13.png 60w, https:\/\/www.websupport.cz\/podpora\/app\/uploads\/2024\/01\/quick-set-100x21.png 100w, https:\/\/www.websupport.cz\/podpora\/app\/uploads\/2024\/01\/quick-set.png 819w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<p>Pokud v rychl\u00fdch nastaven\u00edch nen\u00ed DKIM viditeln\u00fd, kontaktujte na\u0161i podporu. <\/p>\n\n\n\n<p>Pokud odes\u00edl\u00e1te emaily z Websupportu a sou\u010dasn\u011b i od jin\u00e9ho poskytovatele, je mo\u017en\u00e9 nastavit v\u00edcero DKIM kl\u00ed\u010d\u016f, mus\u00ed v\u0161ak b\u00fdt odli\u0161n\u00e9 pomoc\u00ed r\u016fzn\u00fdch selektor\u016f, nap\u0159: <em>mail._domainkey<\/em>.vasedomena.tld a <em>mail1._domainkey<\/em>.vasedomena.tld. Po\u017e\u00e1dejte p\u0159\u00edpadn\u011b poskytovatele mailserveru o vygenerov\u00e1n\u00ed DKIM s odli\u0161n\u00fdm selektorem ne\u017e  <em>mail._domainkey<\/em>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"dmarc\">DMARC<\/h2>\n\n\n\n<p><strong>DMARC<\/strong> je specifikace, kter\u00e1 umo\u017e\u0148uje propojit dv\u011b technologie autorizace SPF a DKIM a informovat server p\u0159\u00edjemce o tom, jak\u00e1 pravidla m\u00e1 aplikovat na zpr\u00e1vy z dan\u00e9 dom\u00e9ny.<\/p>\n\n\n\n<p><strong>DMARC<\/strong> na tyto dv\u011b technologie navazuje a kombinuje je a m\u00e1 n\u00e1sleduj\u00edc\u00ed kl\u00ed\u010dov\u00e9 vlastnosti:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Vych\u00e1z\u00ed z adresy odes\u00edlatele uveden\u00e9 v hlavi\u010dce From emailu a sna\u017e\u00ed se ov\u011b\u0159it, zda byl email skute\u010dn\u011b odeslan\u00fd z uveden\u00e9 dom\u00e9ny.<\/li>\n\n\n\n<li>Vyu\u017e\u00edv\u00e1 SPF a DKIM \u2013 pokud byl spln\u011bn\u00fd SPF odes\u00edlatelovi dom\u00e9ny nebo email nese ov\u011b\u0159en\u00fd DKIM kl\u00ed\u010d, pova\u017euje zpr\u00e1vu za d\u016fv\u011bryhodnou<\/li>\n\n\n\n<li>Definuje politiku pro ne\u00fasp\u011b\u0161n\u00e9 emaily \u2013 jak se zachovat k t\u011bm, kter\u00e9 DMARC ov\u011b\u0159en\u00edm neprojdou<\/li>\n\n\n\n<li>Umo\u017e\u0148uje nastavit zp\u011btnou vazbu \u2013 kam a jak poslat zpr\u00e1vy o v\u00fdsledc\u00edch DMARC pro emaily (\u00fadajn\u011b) pos\u00edlan\u00e9 z dan\u00e9 dom\u00e9ny<\/li>\n\n\n\n<li>M\u016f\u017eete nastavit, \u017ee se m\u00e1 uplat\u0148ovat jen pro \u010d\u00e1st email\u016f a nasazovat je postupn\u011b<\/li>\n\n\n\n<li>DMARC zve\u0159ej\u0148uje dr\u017eitel odes\u00edlaj\u00edc\u00ed dom\u00e9ny a ov\u011b\u0159uje p\u0159\u00edjemce emailu<\/li>\n<\/ul>\n\n\n\n<p>DMARC nen\u00ed jen samostatnou technologi\u00ed, navazuje na existujic\u00ed SPF a DKIM. T\u011bmi si p\u0159\u00edjemci ov\u011b\u0159\u00ed, zda email vyhov\u011bl pravidl\u016fm pro odesl\u00e1n\u00ed z dom\u00e9ny podle mail from z SMTP a ze pro kter\u00e9 dom\u00e9ny m\u00e1 platn\u00e9 podpisy. Tyto informace se potom odes\u00edlaj\u00ed do modulu DMARC, kter\u00fd porovn\u00e1v\u00e1 a zkoum\u00e1, zda dom\u00e9ny ov\u011b\u0159en\u00e9 v SPF \u010di DKIM maj\u00ed n\u011bco spole\u010dn\u00e9ho s hlavi\u010dkou From. Pokud alespo\u0148 jedna \u010d\u00e1st je pravdiv\u00e1, tak se podle DMAR d\u00e1 v\u011b\u0159it tomu, \u017ee email byl opravdu odeslan\u00fd z dan\u00e9 dom\u00e9ny. <\/p>\n\n\n\n<p>Od \u00danora 2024 je vy\u017eadov\u00e1n od poskytovatel\u016f e-mailov\u00fdch slu\u017eeb jako Gmail a Yahoo, aby odes\u00edlatel\u00e9, kte\u0159\u00ed odes\u00edlaj\u00ed hromadn\u00e9 emaily, m\u011bli nastaven\u00fd DMARC z\u00e1znam. <\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"ako-nastavit-dmarc\">Jak nastavit DMARC<\/h3>\n\n\n\n<p>DMARC aktivujeme p\u0159idan\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@vasedomena.<\/strong>tld<br>TTL: <strong>3600<\/strong><\/p>\n\n\n\n<p>V r\u00e1mci DMARC m\u016f\u017eete nastavit n\u011bkolik parametr\u016f upravuj\u00edc\u00edch jeho spr\u00e1vu.<\/p>\n\n\n\n<p><strong>\u201ev\u201c<\/strong> \u2013 verze protokolu, v sou\u010dasnosti se vyu\u017e\u00edv\u00e1 jen DMARC1<\/p>\n\n\n\n<p><strong>\u201ep\u201c<\/strong> \u2013 po\u017eadovan\u00e1 akce p\u0159\u00edjemce, tedy jak m\u00e1 p\u0159\u00edjemce nalo\u017eit se zpr\u00e1vou, kter\u00e1 nepro\u0161loa kontrolou SPF a DKIM. Mo\u017enosti jsou:<\/p>\n\n\n\n<p><strong>none<\/strong> \u2013 p\u0159\u00edjemce nevykon\u00e1 \u017e\u00e1dnou akci, standardn\u011b vykon\u00e1 kontrolu SPF a DKIM a na z\u00e1klad\u011b t\u011bch ur\u010d\u00ed d\u016fv\u011bryhodnost zpr\u00e1vy a zpracuje ji podle vlastn\u00edch pravidel<br><strong>quarantine<\/strong> \u2013 p\u0159\u00edjemce dostane zpr\u00e1vu ozna\u010denou jako ur\u010denou do karant\u00e9ny a podle sv\u00fdch pravudel s n\u00ed nalo\u017e\u00ed, nap\u0159. ji p\u0159esune do nevy\u017e\u00e1dan\u00e9 po\u0161ty<br><strong>reject<\/strong> \u2013 p\u0159\u00edjemce v tomto p\u0159\u00edpad\u011b odm\u00edtne doru\u010den\u00ed zpr\u00e1vy, zpr\u00e1va tak v\u016fbec nedoraz\u00ed do c\u00edlov\u00e9 schr\u00e1nky<\/p>\n\n\n\n<p><strong>\u201erua\u201c<\/strong> \u2013 e-mailov\u00e1 adresa pro zas\u00edl\u00e1n\u00ed agregovan\u00fdch hl\u00e1\u0161en\u00ed o tom, zda n\u011bjak\u00e9 emaily zas\u00edlan\u00e9 z Va\u0161\u00ed dom\u00e9ny nepro\u0161ly DMARC kontrolou.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"generovanie-zaznamu-cez-mxtoolbox\">Generov\u00e1n\u00ed z\u00e1znamu skrz mxtoolbox<\/h3>\n\n\n\n<p>Pokud se nechcete p\u0159i nastaven\u00e9 DMARC z\u00e1znamu spl\u00e9st, je mo\u017en\u00e9 ho jednodu\u0161e vygenerovat na str\u00e1nce <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>P\u0159ejd\u011bte na str\u00e1nku <a href=\"https:\/\/mxtoolbox.com\/DMARCRecordGenerator.aspx\">MX Toolbox<\/a>.<\/li>\n\n\n\n<li>Zad\u00e1te n\u00e1zev dom\u00e9ny a klikn\u011bte na \u201eCheck DMARC record\u201c.<\/li>\n\n\n\n<li>Na lev\u00e9 stran\u011b nastav\u00edte jednotliv\u00e9 parametry podle v\u00fdpisu v\u00fdpisu v\u00fd\u0161e a na prav\u00e9 stran\u011b se automaticky aktualizuje DMARC podle zadan\u00fdch parametr\u016f.<\/li>\n<\/ol>\n\n\n\n<p>Hotov\u00fd \u201esuggested record\u201c zkop\u00edrujeme a vytvo\u0159\u00edme nov\u00fd TXT z\u00e1znam ve <a href=\"https:\/\/admin.websupport.cz\/\" target=\"_blank\" rel=\"noreferrer noopener\">Webadminu<\/a>. Pokud jste je\u0161t\u011b nevytv\u00e1\u0159eli TXT z\u00e1znam, pou\u017eijte tento <a href=\"https:\/\/www.websupport.cz\/podpora\/kb\/txt-zaznamy\/\">n\u00e1vod<\/a>.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/www.websupport.sk\/podpora\/app\/uploads\/2024\/01\/image-3-783x294.png\" alt=\"\" class=\"wp-image-26129\" \/><\/figure>\n\n\n\n<p>MX Toolbox m\u016f\u017eete pou\u017e\u00edt i na ov\u011b\u0159en\u00ed spr\u00e1vnosti vytvo\u0159en\u00e9ho DMARC.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/www.websupport.sk\/podpora\/app\/uploads\/2024\/01\/image-4.png\" alt=\"\" class=\"wp-image-26159\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"dalsie-odporucania\">Dal\u0161\u00ed doporu\u010den\u00ed<\/h2>\n\n\n\n<p>P\u0159i hodnocen\u00ed emailu jsou zahrnut\u00e1 i dal\u0161\u00ed krit\u00e9ria, jako nap\u0159. velikost p\u0159\u00edlohy, textov\u00fd obsah, funk\u010dnost pou\u017eit\u00fdch URL odkaz\u016f a dal\u0161\u00ed. S nastaven\u00edm V\u00e1m m\u016f\u017ee pomoci pr\u00e1v\u011b bezplatn\u00fd n\u00e1stroj na str\u00e1nce <a href=\"https:\/\/www.mail-tester.com\/\">Mail Tester<\/a>, kter\u00fd testuje i obsahov\u00e1 krit\u00e9ria e-mailu.<\/p>\n\n\n\n<p>Dal\u0161\u00ed doporu\u010den\u00ed pro zlep\u0161en\u00ed doru\u010ditelnosti najdete i ve \u010dl\u00e1nku od <a href=\"https:\/\/sendgrid.com\/en-us\/blog\/gmail-yahoo-sender-requirements\">Sendgrid<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Pokud chcete zlep\u0161it doru\u010dov\u00e1n\u00ed po\u0161ty a zv\u00fd\u0161it sk\u00f3re email\u016f pro p\u0159\u00edjemce zpr\u00e1v, je pot\u0159ebn\u00e9 optimalizovat nastaven\u00ed Va\u0161\u00ed dom\u00e9ny. Po\u0161tovn\u00ed servery Gmailu nebo Yahoo \u010dasto vyhodnot\u00ed email kv\u016fli jednomu z t\u011bchto nastaven\u00ed jako SPAM. V tomto n\u00e1vodu si projdeme z\u00e1kladn\u00ed optimalizaci a nastaven\u00ed dom\u00e9ny, aby emaily p\u0159ich\u00e1zeli bez probl\u00e9m\u016f. Bezplatn\u00fd n\u00e1stroj,&#8230;<\/p>\n","protected":false},"author":5,"template":"","format":"standard","meta":{"footnotes":""},"ht-kb-category":[24],"ht-kb-tag":[],"class_list":["post-11666","ht_kb","type-ht_kb","status-publish","format-standard","hentry","ht_kb_category-emaily"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Zlep\u0161ov\u00e1n\u00ed doru\u010ditelnosti e-mail\u016f (SPF, DKIM, DMARC) - 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\/zlepsovani-dorucitelnosti-e-mailu-spf-dkim-dmarc\/\" \/>\n<meta property=\"og:locale\" content=\"cs_CZ\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Zlep\u0161ov\u00e1n\u00ed doru\u010ditelnosti e-mail\u016f (SPF, DKIM, DMARC) - Websupport Centrum n\u00e1pov\u011bdy\" \/>\n<meta property=\"og:description\" content=\"Pokud chcete zlep\u0161it doru\u010dov\u00e1n\u00ed po\u0161ty a zv\u00fd\u0161it sk\u00f3re email\u016f pro p\u0159\u00edjemce zpr\u00e1v, je pot\u0159ebn\u00e9 optimalizovat nastaven\u00ed Va\u0161\u00ed dom\u00e9ny. Po\u0161tovn\u00ed servery Gmailu nebo Yahoo \u010dasto vyhodnot\u00ed email kv\u016fli jednomu z t\u011bchto nastaven\u00ed jako SPAM. V tomto n\u00e1vodu si projdeme z\u00e1kladn\u00ed optimalizaci a nastaven\u00ed dom\u00e9ny, aby emaily p\u0159ich\u00e1zeli bez probl\u00e9m\u016f. 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