{"id":7462,"date":"2026-10-12T13:04:09","date_gmt":"2026-10-12T11:04:09","guid":{"rendered":"https:\/\/eu.klytic.com\/bezpecnostni-brana-e-mailu\/"},"modified":"2026-10-12T16:14:17","modified_gmt":"2026-10-12T14:14:17","slug":"bezpecnostni-brana-e-mailu","status":"publish","type":"page","link":"https:\/\/eu.klytic.com\/cs\/bezpecnostni-brana-e-mailu\/","title":{"rendered":"Vestav\u011bn\u00fd filtr, nebo bezpe\u010dnostn\u00ed br\u00e1na p\u0159ed e-mailov\u00fdm syst\u00e9mem"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"7462\" class=\"elementor elementor-7462 elementor-6300\" data-elementor-post-type=\"page\">\n\t\t\t\t<div class=\"elementor-element elementor-element-2c6155a e-con-full kly-g e-flex e-con e-parent\" data-id=\"2c6155a\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;ekit_has_onepagescroll_dot&quot;:&quot;yes&quot;}\">\n\t\t<div class=\"elementor-element elementor-element-5286bb6 e-con-full kly-g-hero e-flex e-con e-parent\" data-id=\"5286bb6\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;ekit_has_onepagescroll_dot&quot;:&quot;yes&quot;}\">\n\t\t<div class=\"elementor-element elementor-element-ba71651 e-con-full kly-g-hero-in e-flex e-con e-parent\" data-id=\"ba71651\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;ekit_has_onepagescroll_dot&quot;:&quot;yes&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-338b144 elementor-widget elementor-widget-text-editor\" data-id=\"338b144\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p class=\"kly-g-crumb\"><a href=\"\/\">Dom\u016f<\/a><span>\u203a<\/span>P\u0159\u00edru\u010dky<span>\u203a<\/span>Zabezpe\u010den\u00ed e-mail\u016f<\/p><p class=\"kly-g-pill\" style=\"--pill:#f87171\">Zabezpe\u010den\u00ed e-mail\u016f \u00b7 Pochopit<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c85f295 elementor-widget elementor-widget-heading\" data-id=\"c85f295\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h1 class=\"elementor-heading-title elementor-size-default\">Vestav\u011bn\u00fd filtr, nebo bezpe\u010dnostn\u00ed br\u00e1na p\u0159ed e-mailov\u00fdm syst\u00e9mem<\/h1>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ca761bf elementor-widget elementor-widget-text-editor\" data-id=\"ca761bf\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p class=\"kly-g-lead\">Filtr zabudovan\u00fd v e-mailov\u00e9m syst\u00e9mu chr\u00e1n\u00ed pr\u00e1v\u011b tento syst\u00e9m. Bezpe\u010dnostn\u00ed br\u00e1na se um\u00edst\u00ed p\u0159ed n\u011bj: z\u00e1znam MX dom\u00e9ny na ni odkazuje, ona p\u0159ij\u00edm\u00e1 po\u0161tu, analyzuje ji a pak ji doru\u010d\u00ed na server se schr\u00e1nkami, a\u0165 je jak\u00fdkoli. Skute\u010dn\u00fd rozd\u00edl spo\u010d\u00edv\u00e1 v okam\u017eiku anal\u00fdzy: p\u0159ed t\u00edm, ne\u017e zpr\u00e1va vstoup\u00ed do schr\u00e1nky, nebo potom.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5278018 elementor-widget elementor-widget-text-editor\" data-id=\"5278018\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p class=\"kly-g-meta\"><span>Aktualizov\u00e1no: <b>\u0159\u00edjen 2026<\/b><\/span><span><b>7 min<\/b><\/span><span>Citovan\u00e9 ofici\u00e1ln\u00ed zdroje<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-f0f6641 e-con-full kly-g-body e-flex e-con e-parent\" data-id=\"f0f6641\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;ekit_has_onepagescroll_dot&quot;:&quot;yes&quot;}\">\n\t\t<div class=\"elementor-element elementor-element-0fc5234 e-con-full kly-g-article e-flex e-con e-parent\" data-id=\"0fc5234\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;ekit_has_onepagescroll_dot&quot;:&quot;yes&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-2030ad6 elementor-widget elementor-widget-text-editor\" data-id=\"2030ad6\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<h2>Dv\u011b mo\u017en\u00e1 m\u00edsta pro filtr<\/h2>\n<p>Ka\u017ed\u00fd firemn\u00ed e-mailov\u00fd syst\u00e9m u\u017e po\u0161tu filtruje. Microsoft 365, Google Workspace, server Exchange i hostovan\u00fd server maj\u00ed vestav\u011bn\u00fd antispam a antivirus. Tento filtr je navr\u017een pro platformu, kter\u00e1 ho nese: jeho pravidla, reporty a protokoly \u017eij\u00ed v t\u00e9to platform\u011b a odch\u00e1zej\u00ed s n\u00ed v den, kdy zm\u011bn\u00edte poskytovatele.<\/p>\n<div class=\"kly-def\"><p><strong>SMTP br\u00e1na.<\/strong> Po\u0161tovn\u00ed server um\u00edst\u011bn\u00fd p\u0159ed schr\u00e1nkou. RFC 5321, kter\u00e1 popisuje p\u0159enos po\u0161ty na internetu, ozna\u010duje jako \u201ep\u0159enosov\u00e9ho agenta\u201c (MTA) server, kter\u00fd zpr\u00e1vu p\u0159ijme a p\u0159ed\u00e1 d\u00e1l. Z\u00e1znam MX dom\u00e9ny ur\u010duje br\u00e1nu: pr\u00e1v\u011b ji tedy odes\u00edlaj\u00edc\u00ed servery kontaktuj\u00ed jako prvn\u00ed.<\/p><\/div>\n<p>Po anal\u00fdze br\u00e1na p\u0159ed\u00e1 zpr\u00e1vu serveru se schr\u00e1nkami. U\u017eivatel\u00e9 ji nevid\u00ed. Ponechaj\u00ed si sv\u016fj program, webmail i telefon.<\/p>\n<p>Praktick\u00fd d\u016fsledek: br\u00e1na nez\u00e1vis\u00ed na schr\u00e1nce. Lze zm\u011bnit po\u0161tovn\u00ed server bez zm\u011bny filtru, nebo pos\u00edlit filtr bez zm\u011bny serveru. Jde o dva samostatn\u00e9 n\u00e1kupy, o kter\u00fdch se rozhoduje zvl\u00e1\u0161\u0165.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-39a1a89 elementor-widget elementor-widget-text-editor\" data-id=\"39a1a89\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<h2>P\u0159ed doru\u010den\u00edm, nebo po n\u011bm<\/h2>\n<p>Filtr m\u016f\u017ee zas\u00e1hnout ve dvou okam\u017eic\u00edch a volba nen\u00ed neutr\u00e1ln\u00ed.<\/p>\n<ul>\n<li><strong>P\u0159ed doru\u010den\u00edm.<\/strong> Zpr\u00e1va je analyzov\u00e1na b\u011bhem p\u0159enosu. Pokud je vyhodnocena jako nebezpe\u010dn\u00e1, do schr\u00e1nky nevstoup\u00ed. Nebezpe\u010dnou p\u0159\u00edlohu lze odstranit a nahradit informa\u010dn\u00ed zpr\u00e1vou. Podez\u0159el\u00e1 zpr\u00e1va jde do karant\u00e9ny, m\u00edsto aby byla doru\u010dena.<\/li>\n<li><strong>Po doru\u010den\u00ed.<\/strong> Zpr\u00e1va u\u017e je ve schr\u00e1nce, kdy\u017e anal\u00fdza dosp\u011bje k z\u00e1v\u011bru nebo kdy\u017e doraz\u00ed nov\u00e1 informace, nap\u0159\u00edklad odkaz nahl\u00e1\u0161en\u00fd o n\u011bkolik hodin pozd\u011bji. N\u00e1stroj ji pak mus\u00ed odstranit. Mezit\u00edm ji u\u017eivatel mohl otev\u0159\u00edt, kliknout nebo p\u0159\u00edlohu p\u0159eposlat.<\/li>\n<\/ul>\n<p>Oba p\u0159\u00edstupy se \u010dasto kombinuj\u00ed: anal\u00fdza p\u0159ed doru\u010den\u00edm a pot\u00e9 ochrana, kter\u00e1 pokra\u010duje v okam\u017eiku kliknut\u00ed, proto\u017ee web, kter\u00fd byl p\u0159i doru\u010den\u00ed \u010dist\u00fd, se m\u016f\u017ee st\u00e1t \u0161kodliv\u00fdm pozd\u011bji. \u017d\u00e1dn\u00fd z nich netvrd\u00ed, \u017ee zastav\u00ed v\u0161echno.<\/p>\n<p>Klytic um\u00eds\u0165uje anal\u00fdzu p\u0159ed schr\u00e1nku z jednoduch\u00e9ho d\u016fvodu: co nen\u00ed doru\u010deno, nen\u00ed t\u0159eba dodate\u010dn\u011b odstra\u0148ovat. To neodstra\u0148uje pot\u0159ebu lidsk\u00e9ho reflexu, kdy\u017e v\u011brohodn\u00e1 zpr\u00e1va projde v\u0161emi kontrolami, jako u <a href='\/cs\/podvod-ceo-fraud-zneuziti-identity\/'>podvodu typu CEO fraud<\/a>.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-486518c elementor-widget elementor-widget-text-editor\" data-id=\"486518c\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<h2>Pro\u010d um\u00edstit bezpe\u010dnostn\u00ed MTA p\u0159ed server<\/h2>\n<ul>\n<li><strong>N\u00e1stroj, kter\u00fd se specializuje pr\u00e1v\u011b na to.<\/strong> Br\u00e1na nespravuje kalend\u00e1\u0159 ani \u00falo\u017ei\u0161t\u011b. Jej\u00ed pravidla se t\u00fdkaj\u00ed odes\u00edlatele, obsahu a p\u0159\u00edloh a nastavuj\u00ed se pro ka\u017edou dom\u00e9nu zvl\u00e1\u0161\u0165.<\/li>\n<li><strong>Ochrana, kter\u00e1 z\u016fst\u00e1v\u00e1.<\/strong> P\u0159e\u017eije zm\u011bnu serveru se schr\u00e1nkami a m\u016f\u017ee pokr\u00fdvat n\u011bkolik server\u016f najednou: dce\u0159inou spole\u010dnost, p\u016fvodn\u00ed e-mailov\u00fd syst\u00e9m, novou platformu.<\/li>\n<li><strong>Srozumiteln\u00e9 rozhodnut\u00ed na jednom m\u00edst\u011b.<\/strong> Ka\u017ed\u00e1 zpr\u00e1va nese d\u016fvod rozhodnut\u00ed, a\u0165 ji pot\u00e9 p\u0159ijme jak\u00fdkoli server.<\/li>\n<li><strong>Druh\u00fd n\u00e1zor.<\/strong> Vestav\u011bn\u00fd filtr e-mailov\u00e9ho syst\u00e9mu za br\u00e1nou d\u00e1l funguje.<\/li>\n<\/ul>\n<p>Co to stoj\u00ed: dal\u0161\u00edho prost\u0159edn\u00edka na cest\u011b. Je t\u0159eba ho ohl\u00e1sit serveru se schr\u00e1nkami, jinak server vid\u00ed ve\u0161kerou po\u0161tu p\u0159ich\u00e1zet z jedin\u00e9 adresy a skute\u010dn\u00e9ho odes\u00edlatele posuzuje chybn\u011b. Je tak\u00e9 t\u0159eba zkontrolovat SPF, DKIM a DMARC. Tato nastaven\u00ed popisuje str\u00e1nka <a href='\/cs\/ochrana-stavajiciho-e-mailu\/'>Ochrana e-mailov\u00e9ho syst\u00e9mu, kter\u00fd u\u017e m\u00e1te<\/a>.<\/p>\n<h3>T\u00fdk\u00e1 se to ka\u017ed\u00e9ho<\/h3><p>Podle ANSSI je e-mail \u201ehlavn\u00edm vektorem infekce pracovn\u00edch stanic\u201c (p\u0159eklad) a e-mailov\u00e9 syst\u00e9my jsou \u201ejedn\u00edm z hlavn\u00edch vektor\u016f \u00fatok\u016f, proto\u017ee jsou velmi \u0161iroce pou\u017e\u00edv\u00e1ny a vystaveny internetu\u201c (p\u0159eklad). Phishing, nebezpe\u010dn\u00e1 p\u0159\u00edloha, fale\u0161n\u00fd platebn\u00ed p\u0159\u00edkaz: k tomu, aby se firma stala c\u00edlem, sta\u010d\u00ed e-mailov\u00e1 adresa, a mikropodnik je ohro\u017een stejn\u011b jako velk\u00e1 skupina.<\/p><p>ANSSI \u0159ad\u00ed ochranu e-mailu mezi sv\u00fdch deset zlat\u00fdch pravidel digit\u00e1ln\u00ed bezpe\u010dnosti a jej\u00ed katalog opat\u0159en\u00ed doporu\u010duje nasadit antispamov\u00e9 a anti-phishingov\u00e9 \u0159e\u0161en\u00ed. Jej\u00ed p\u0159\u00edru\u010dka o propojen\u00ed informa\u010dn\u00edho syst\u00e9mu s internetem p\u0159ipom\u00edn\u00e1, \u017ee pracovn\u00ed pou\u017e\u00edv\u00e1n\u00ed e-mailu je velmi roz\u0161\u00ed\u0159en\u00e9 \u201ebez ohledu na velikost a obor \u010dinnosti subjektu\u201c (p\u0159eklad) a \u017ee antispamov\u00e9 mechanismy a mechanismy vyhled\u00e1v\u00e1n\u00ed \u0161kodliv\u00e9ho obsahu \u201emus\u00ed b\u00fdt zavedeny\u201c.<\/p><p>Bezpe\u010dnostn\u00ed filtrov\u00e1n\u00ed po\u0161ty tedy u\u017e nen\u00ed voliteln\u00e9. Skute\u010dnou ot\u00e1zkou je, kde je um\u00edst\u011bno a co dok\u00e1\u017ee zastavit d\u0159\u00edv, ne\u017e zpr\u00e1va doraz\u00ed do schr\u00e1nky.<\/p><p class=\"kly-fit yes\">Br\u00e1na dopl\u0148uje filtr e-mailov\u00e9ho syst\u00e9mu o anal\u00fdzu, kter\u00e1 nez\u00e1vis\u00ed na dodavateli va\u0161ich schr\u00e1nek, o jednotnou politiku pro n\u011bkolik server\u016f nebo n\u011bkolik spole\u010dnost\u00ed a o rozhodnut\u00ed, kter\u00e1 lze vysv\u011btlit.<\/p><p class=\"kly-fit no\">\u017d\u00e1dn\u00fd filtr, vestav\u011bn\u00fd ani p\u0159edsazen\u00fd, nenahrad\u00ed n\u00e1vyky, kter\u00e9 p\u0159ipom\u00edn\u00e1 ANSSI: neklikat na podez\u0159el\u00fd odkaz nebo p\u0159\u00edlohu, neodpov\u00eddat na podez\u0159el\u00fd e-mail, ov\u011b\u0159ovat jin\u00fdm kan\u00e1lem, zapnout dvoufaktorov\u00e9 ov\u011b\u0159en\u00ed.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5318192 elementor-widget elementor-widget-text-editor\" data-id=\"5318192\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<h2>Co br\u00e1na vid\u00ed a co uchov\u00e1v\u00e1<\/h2>\n<p>Aby mohla rozhodnout, br\u00e1na \u010dte celou zpr\u00e1vu: uveden\u00e9ho odes\u00edlatele a server, kter\u00fd ji odes\u00edl\u00e1, v\u00fdsledky ov\u011b\u0159en\u00ed (SPF, DKIM, DMARC), text, odkazy, p\u0159\u00edlohy. Z toho vyvod\u00ed rozhodnut\u00ed: doru\u010dit, p\u0159esunout do karant\u00e9ny, odm\u00edtnout, nebo odlo\u017eit nezn\u00e1m\u00e9ho odes\u00edlatele.<\/p>\n<p>\u010c\u00edst neznamen\u00e1 uchov\u00e1vat. Spr\u00e1vn\u00e1 ot\u00e1zka pro poskytovatele zn\u00ed: co z\u016fst\u00e1v\u00e1 a jak dlouho? U Klytic MTA odpov\u011b\u010f rozli\u0161uje t\u0159i p\u0159\u00edpady a k tomu z\u00e1znam o rozhodnut\u00ed.<\/p>\n<div class=\"kly-table\"><table><thead><tr><th>Situace<\/th><th>Co se uchov\u00e1v\u00e1<\/th><th>Doba<\/th><\/tr><\/thead><tbody>\n<tr><td>B\u011b\u017en\u00e9 doru\u010den\u00ed<\/td><td>Osobn\u00ed \u00fadaje z anal\u00fdzy (odes\u00edlatel, p\u0159\u00edjemci, p\u0159edm\u011bt, t\u011blo zpr\u00e1vy, n\u00e1zvy p\u0159\u00edloh) jsou vymaz\u00e1ny. Z\u016fst\u00e1v\u00e1 \u010dasov\u00e9 raz\u00edtko, dom\u00e9na odes\u00edlatele, sk\u00f3re a rozhodnut\u00ed.<\/td><td>V\u00fdmaz ve v\u00fdchoz\u00edm nastaven\u00ed po 2 dnech, lh\u016ftu lze upravit<\/td><\/tr>\n<tr><td>Nebezpe\u010dn\u00e1 zpr\u00e1va v karant\u00e9n\u011b<\/td><td>Cel\u00e1 zpr\u00e1va, za\u0161ifrovan\u00e1<\/td><td>Po dobu platnosti odkazu pro uvoln\u011bn\u00ed, 7 dn\u00ed<\/td><\/tr>\n<tr><td>Server se schr\u00e1nkami je nedostupn\u00fd<\/td><td>Zpr\u00e1va, za\u0161ifrovan\u00e1 (AES-256-GCM), ve front\u011b<\/td><td>Do doru\u010den\u00ed nebo do vypr\u0161en\u00ed lh\u016fty<\/td><\/tr>\n<tr><td>V\u0161echna rozhodnut\u00ed<\/td><td>Sk\u00f3re a d\u016fvod, bez obsahu<\/td><td>Technick\u00e1 data uchov\u00e1van\u00e1 pro statistiky<\/td><\/tr>\n<\/tbody><\/table><\/div>\n<p>\u201eP\u0159i b\u011b\u017en\u00e9m provozu se zpr\u00e1vy neukl\u00e1daj\u00ed\u201c tedy znamen\u00e1: \u017e\u00e1dn\u00e1 trval\u00e1 kopie doru\u010den\u00e9 po\u0161ty. Neznamen\u00e1 to \u201enulov\u00e1 data\u201c. Br\u00e1na uchov\u00e1v\u00e1 z\u00e1znam o sv\u00fdch rozhodnut\u00edch a po n\u011bkolik dn\u00ed podrobnosti anal\u00fdzy. Jednotliv\u00e9 lh\u016fty podrobn\u011b popisuje pr\u016fvodce <a href='\/cs\/bezpecnostni-protokoly-e-mailu\/'>Uchov\u00e1v\u00e1n\u00ed a kontrola bezpe\u010dnostn\u00edch protokol\u016f e-mailu<\/a>.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1b352bd elementor-widget elementor-widget-text-editor\" data-id=\"1b352bd\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<h2>Cesta zpr\u00e1vy krok za krokem<\/h2>\n<ol>\n<li>Odes\u00edlaj\u00edc\u00ed server vyhled\u00e1 z\u00e1znam MX va\u0161\u00ed dom\u00e9ny. Najde br\u00e1nu a p\u0159ed\u00e1 j\u00ed zpr\u00e1vu.<\/li>\n<li>Br\u00e1na ov\u011b\u0159\u00ed odes\u00edlatele (ov\u011b\u0159en\u00ed, reputace), zpr\u00e1vu (odkazy, text, zn\u00e1m\u00fd sc\u00e9n\u00e1\u0159) a pot\u00e9 p\u0159\u00edlohy.<\/li>\n<li>Bezpe\u010dn\u00e1 zpr\u00e1va: br\u00e1na ji doru\u010d\u00ed do va\u0161eho e-mailov\u00e9ho syst\u00e9mu, a\u0165 je jak\u00fdkoli: Microsoft 365, Google Workspace, Exchange, Klytic Mail nebo jin\u00fd server.<\/li>\n<li>Nebezpe\u010dn\u00e1 zpr\u00e1va: jde do \u0161ifrovan\u00e9 karant\u00e9ny. P\u0159\u00edjemce je upozorn\u011bn a m\u016f\u017ee ji uvolnit pomoc\u00ed odkazu, pokud jde o omyl.<\/li>\n<li>Odm\u00edtnut\u00e1 zpr\u00e1va: odes\u00edlaj\u00edc\u00ed server obdr\u017e\u00ed odm\u00edtnut\u00ed a upozorn\u00ed sv\u00e9ho u\u017eivatele.<\/li>\n<li>V\u00e1\u0161 server se schr\u00e1nkami neodpov\u00edd\u00e1: zpr\u00e1va za\u0161ifrovan\u00e1 \u010dek\u00e1 a je doru\u010dena, jakmile je server znovu dostupn\u00fd.<\/li>\n<\/ol>\n<p>Tato cesta se op\u00edr\u00e1 o b\u011b\u017en\u00e9 chov\u00e1n\u00ed SMTP: server, kter\u00fd obdr\u017e\u00ed do\u010dasnou chybu, si zpr\u00e1vu ponech\u00e1 a zkus\u00ed to znovu. Pr\u016fvodce <a href='\/cs\/migrace-e-mailu-bez-preruseni\/'>migrace e-mailu bez p\u0159eru\u0161en\u00ed<\/a> vysv\u011btluje, pro\u010d tento mechanismus br\u00e1n\u00ed ztr\u00e1t\u011b po\u0161ty p\u0159i zm\u011bn\u011b MX.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9c1ce29 elementor-widget elementor-widget-text-editor\" data-id=\"9c1ce29\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<h2>\u010cast\u00e9 dotazy<\/h2>\n<h3>Pot\u0159ebuje mal\u00e1 firma bezpe\u010dnostn\u00ed filtrov\u00e1n\u00ed?<\/h3>\n<p>Ano. E-mailov\u00e9 \u00fatoky si sv\u00e9 c\u00edle nevyb\u00edraj\u00ed podle velikosti. Br\u00e1na je zp\u016fsob, jak toto filtrov\u00e1n\u00ed zav\u00e9st bez zm\u011bny e-mailov\u00e9ho syst\u00e9mu: viz <a href='\/cs\/ochrana-stavajiciho-e-mailu\/'>Ochrana e-mailov\u00e9ho syst\u00e9mu, kter\u00fd u\u017e m\u00e1te<\/a>.<\/p>\n<h3>Nahrazuje br\u00e1na filtr Microsoft 365 nebo Google Workspace?<\/h3>\n<p>Ne. Vestav\u011bn\u00fd filtr za n\u00ed d\u00e1l pracuje. Dodavatel\u00e9 popisuj\u00ed, jak br\u00e1nu ohl\u00e1sit, aby jejich vlastn\u00ed anal\u00fdza z\u016fstala spr\u00e1vn\u00e1: viz <a href='\/cs\/ochrana-stavajiciho-e-mailu\/'>Ochrana e-mailov\u00e9ho syst\u00e9mu, kter\u00fd u\u017e m\u00e1te<\/a>.<\/p>\n<h3>Zpo\u017e\u010fuje br\u00e1na po\u0161tu?<\/h3>\n<p>Anal\u00fdza p\u0159id\u00e1v\u00e1 jeden krok. Viditeln\u00fd p\u0159\u00edpad je z\u00e1m\u011brn\u00fd: nezn\u00e1m\u00fd odes\u00edlatel m\u016f\u017ee b\u00fdt kr\u00e1tce pozdr\u017een, co\u017e odfiltruje automatick\u00e9 z\u00e1silky, kter\u00e9 odesl\u00e1n\u00ed nikdy neopakuj\u00ed.<\/p>\n<h3>Lze zm\u011bnit e-mailov\u00fd syst\u00e9m a ponechat si br\u00e1nu?<\/h3>\n<p>Ano. Z\u00e1znam MX nad\u00e1le ukazuje na br\u00e1nu; m\u011bn\u00ed se jen server, na kter\u00fd se doru\u010duje. Pr\u016fb\u011bh p\u0159echodu popisuje pr\u016fvodce <a href='\/cs\/migrace-e-mailu-bez-preruseni\/'>migrace e-mailu bez p\u0159eru\u0161en\u00ed<\/a>.<\/p>\n<h3>Co se stane se zpr\u00e1vou, kter\u00e1 byla odlo\u017eena omylem?<\/h3>\n<p>Je v karant\u00e9n\u011b, nen\u00ed smazan\u00e1. Viz <a href='\/cs\/karantena-falesne-poplachy\/'>Karant\u00e9na, fale\u0161n\u00e9 poplachy a hl\u00e1\u0161en\u00ed<\/a>.<\/p>\n<h3>Jak\u00fd je rozd\u00edl oproti dedikovan\u00e9mu e-mailov\u00e9mu syst\u00e9mu nebo syst\u00e9mu instalovan\u00e9mu u v\u00e1s?<\/h3>\n<p>To je ot\u00e1zka schr\u00e1nky, nikoli filtru. V\u011bnuje se j\u00ed pr\u016fvodce <a href='\/cs\/email-v-cloudu-dedikovany-nebo-u-vas\/'>e-mail v cloudu, dedikovan\u00fd, nebo ve va\u0161ich prostor\u00e1ch<\/a>.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a851956 kly-g-klytic elementor-widget elementor-widget-text-editor\" data-id=\"a851956\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<h2>Kde se nach\u00e1z\u00ed Klytic<\/h2>\n<p><a href='\/cs\/klytic-mta\/'>Klytic MTA<\/a> je br\u00e1na tohoto typu. Lze ji objednat samostatn\u011b, bez Klytic Mail, a doru\u010duje do Klytic Mail, Microsoft 365, Google Workspace, Exchange nebo jak\u00e9hokoli jin\u00e9ho po\u0161tovn\u00edho serveru.<\/p>\n<ul>\n<li><strong>Essential<\/strong>: ov\u011b\u0159en\u00ed a reputace (SPF, DKIM, DMARC v\u010detn\u011b p\u0159eposlan\u00fdch zpr\u00e1v, st\u00e1\u0159\u00ed dom\u00e9n, \u010dern\u00e9 listiny), antispam, antivirus, anti-phishing, podobn\u00e9 dom\u00e9ny a zobrazovan\u00e1 jm\u00e9na, nebezpe\u010dn\u00e1 makra a PDF, \u0161ifrovan\u00e1 karant\u00e9na a uvol\u0148ov\u00e1n\u00ed, podpis DKIM odchoz\u00ed po\u0161ty, zastaven\u00ed p\u0159ed odesl\u00e1n\u00edm, podpis S\/MIME odchoz\u00ed po\u0161ty pro e-mailov\u00fd syst\u00e9m, kter\u00fd jej nepodporuje, pokud jej z\u00e1kazn\u00edk aktivuje a sv\u011b\u0159\u00ed sv\u016fj kl\u00ed\u010d (dod\u00e1n\u00ed certifik\u00e1tu je dopl\u0148kem), posouzen\u00ed nejednozna\u010dn\u00fdch zpr\u00e1v pomoc\u00ed AI, sk\u00f3re a d\u016fvod v hlavi\u010dk\u00e1ch.<\/li>\n<li><strong>Advanced<\/strong>: v\u0161e z Essential a nav\u00edc podvody typu CEO fraud a finan\u010dn\u00ed podvody, odkazy znovu analyzovan\u00e9 v okam\u017eiku kliknut\u00ed, nebezpe\u010dn\u00e9 soubory HTML, konzole DMARC a protokoly exportovateln\u00e9 do SIEM.<\/li>\n<\/ul>\n<p>Slu\u017ebu lze nasadit v cloudu Klytic, na dedikovan\u00e9 instanci nebo na va\u0161ich serverech. Cloud Klytic je hostov\u00e1n v jak\u00e9koli geografick\u00e9 oblasti odpov\u00eddaj\u00edc\u00ed platn\u00e9 jurisdikci, s v\u00fdhradou dostupnosti slu\u017eeb, zejm\u00e9na v Evrop\u011b nebo na Mauriciu. Spu\u0161t\u011bn\u00ed obvykle trv\u00e1 24 a\u017e 48 hodin: Klytic p\u0159iprav\u00ed konfiguraci a vy pot\u00e9 uprav\u00edte z\u00e1znam MX sv\u00e9 dom\u00e9ny, nebo to Klytic ud\u011bl\u00e1 za v\u00e1s.<\/p>\n<p>Co Klytic MTA ned\u011bl\u00e1: nenahrazuje v\u00e1\u0161 e-mailov\u00fd syst\u00e9m, jeho \u00fa\u010dty ani opr\u00e1vn\u011bn\u00ed a vid\u00ed jen po\u0161tu, kter\u00e1 j\u00edm proch\u00e1z\u00ed. Pro Microsoft 365 a dal\u0161\u00ed e-mailov\u00e9 syst\u00e9my viz <a href='\/cs\/ochrana-stavajiciho-e-mailu\/'>Ochrana e-mailov\u00e9ho syst\u00e9mu, kter\u00fd u\u017e m\u00e1te<\/a>.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9531c8b kly-g-disclaimer elementor-widget elementor-widget-text-editor\" data-id=\"9531c8b\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Tato str\u00e1nka popisuje obecnou architekturu. P\u0159esn\u00e9 nastaven\u00ed z\u00e1vis\u00ed na va\u0161em e-mailov\u00e9m syst\u00e9mu a va\u0161ich dom\u00e9n\u00e1ch.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c3d32cb kly-g-sources elementor-widget elementor-widget-text-editor\" data-id=\"c3d32cb\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<h2>Zdroje<\/h2><p>Ov\u011b\u0159eno v \u0159\u00edjnu 2026.<\/p><ul><li>RFC 5321, Simple Mail Transfer Protocol: servery SMTP funguj\u00ed jako p\u0159enosov\u00ed agenti (MTA); zprost\u0159edkuj\u00edc\u00ed hostitel\u00e9 jsou obvykle ur\u010deni z\u00e1znamem MX v DNS. <a href='https:\/\/www.rfc-editor.org\/rfc\/rfc5321' rel='noopener' target='_blank'>rfc-editor.org<\/a><\/li><li>Klytic, str\u00e1nka Klytic MTA: moduly nab\u00eddek Essential a Advanced, dopl\u0148ky, zp\u016fsoby nasazen\u00ed, spu\u0161t\u011bn\u00ed zm\u011bnou MX, uchov\u00e1v\u00e1n\u00ed zpr\u00e1v omezen\u00e9 na frontu a karant\u00e9nu. <a href='https:\/\/www.klytic.com\/klytic-mta\/' rel='noopener' target='_blank'>klytic.com<\/a><\/li><li>ANSSI, \u201e10 r\u00e8gles d\u2019or en mati\u00e8re de s\u00e9curit\u00e9 num\u00e9rique\u201c (10 zlat\u00fdch pravidel digit\u00e1ln\u00ed bezpe\u010dnosti): 6. pravidlo, \u201eProt\u00e9gez votre messagerie \u00e9lectronique\u201c (Chra\u0148te sv\u016fj e-mail), popisuje phishing a doporu\u010duje m\u00edt se na pozoru p\u0159ed podez\u0159el\u00fdmi odkazy a p\u0159\u00edlohami, ov\u011b\u0159ovat jin\u00fdm kan\u00e1lem a zapnout dvoufaktorov\u00e9 ov\u011b\u0159en\u00ed. <a href='https:\/\/cyber.gouv.fr\/securisation\/10-regles-or-securite-numerique\/' rel='noopener' target='_blank'>cyber.gouv.fr<\/a><\/li><li>ANSSI, \u201eGuide d\u2019hygi\u00e8ne informatique\u201c, verze 2.0, z\u00e1\u0159\u00ed 2017, opat\u0159en\u00ed 24 \u201eProt\u00e9ger sa messagerie professionnelle\u201c (Chra\u0148te sv\u016fj firemn\u00ed e-mail): \u201eE-mail je hlavn\u00edm vektorem infekce pracovn\u00edch stanic.\u201c <a href='https:\/\/messervices.cyber.gouv.fr\/documents-guides\/guide_hygiene_informatique_anssi.pdf' rel='noopener' target='_blank'>messervices.cyber.gouv.fr<\/a><\/li><li>ANSSI, MonServiceS\u00e9curis\u00e9, katalog opat\u0159en\u00ed, opat\u0159en\u00ed \u201eMettre en \u0153uvre une solution d\u2019anti-spam et d\u2019anti-hame\u00e7onnage\u201c (Nasa\u010fte antispamov\u00e9 a anti-phishingov\u00e9 \u0159e\u0161en\u00ed): \u201eE-mailov\u00e9 syst\u00e9my jsou jedn\u00edm z hlavn\u00edch vektor\u016f \u00fatok\u016f, proto\u017ee jsou velmi \u0161iroce pou\u017e\u00edv\u00e1ny a vystaveny internetu.\u201c <a href='https:\/\/monservicesecurise.cyber.gouv.fr\/referentiel-mesures' rel='noopener' target='_blank'>monservicesecurise.cyber.gouv.fr<\/a><\/li><li>ANSSI, \u201eRecommandations relatives \u00e0 l\u2019interconnexion d\u2019un syst\u00e8me d\u2019information \u00e0 Internet\u201c (Doporu\u010den\u00ed k propojen\u00ed informa\u010dn\u00edho syst\u00e9mu s internetem), ANSSI-PA-066, verze 3.0, 19. \u010dervna 2020, kapitola 5 \u201eS\u00e9curisation du service de messagerie \u00e9lectronique\u201c (Zabezpe\u010den\u00ed e-mailov\u00e9 slu\u017eby): e-mail se \u201estal jedn\u00edm z hlavn\u00edch vektor\u016f kybernetick\u00fdch \u00fatok\u016f\u201c (phishing, \u0161kodliv\u00e9 p\u0159\u00edlohy); \u00a7 5.2.3: antispamov\u00e9 mechanismy a mechanismy vyhled\u00e1v\u00e1n\u00ed \u0161kodliv\u00e9ho obsahu \u201emus\u00ed b\u00fdt zavedeny\u201c. <a href='https:\/\/messervices.cyber.gouv.fr\/guides\/recommandations-relatives-linterconnexion-dun-si-internet' rel='noopener' target='_blank'>messervices.cyber.gouv.fr<\/a><\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-4290685 e-con-full kly-g-aside e-flex e-con e-parent\" data-id=\"4290685\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;ekit_has_onepagescroll_dot&quot;:&quot;yes&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-3f634da elementor-widget elementor-widget-html\" data-id=\"3f634da\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"html.default\">\n\t\t\t\t\t<nav class=\"kly-g-toc\" aria-label=\"Na t\u00e9to str\u00e1nce\"><p>Na t\u00e9to str\u00e1nce<\/p><ol><\/ol><\/nav>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a8dea52 elementor-widget elementor-widget-text-editor\" data-id=\"a8dea52\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<div class=\"kly-g-cta\"><h3>Um\u00edst\u011bte br\u00e1nu p\u0159ed sv\u016fj e-mailov\u00fd syst\u00e9m<\/h3><p>Zku\u0161ebn\u00ed verze zdarma na 30 dn\u00ed, bez zm\u011bny e-mailov\u00e9ho syst\u00e9mu.<\/p><p><a class=\"kly-g-btn\" href=\"\/cs\/kontakt\/\">Promluvit si s poradcem \u2192<\/a><\/p><p style=\"margin:0\"><a class=\"kly-g-btn ghost\" href=\"\/cs\/klytic-mta\/\">Seznamte se s Klytic MTA<\/a><\/p><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-3fb027d e-con-full kly-g-related e-flex e-con e-parent\" data-id=\"3fb027d\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;ekit_has_onepagescroll_dot&quot;:&quot;yes&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-e173774 elementor-widget elementor-widget-text-editor\" data-id=\"e173774\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<h2>P\u0159e\u010dt\u011bte si tak\u00e9<\/h2><div class=\"kly-g-grid\"><a class=\"kly-g-card\" href=\"\/cs\/ochrana-stavajiciho-e-mailu\/\" style=\"--cat:#dc2626\"><span class=\"c\">Pochopit \u00b7 Zabezpe\u010den\u00ed e-mail\u016f<\/span><span class=\"t\">Ochrana e-mailov\u00e9ho syst\u00e9mu, kter\u00fd u\u017e m\u00e1te<\/span><span class=\"q\">Microsoft 365, Google Workspace, Exchange: bezpe\u010dnostn\u00ed br\u00e1nu lze p\u0159idat beze zm\u011bny e-mailov\u00e9ho syst\u00e9mu. Co se m\u011bn\u00ed, kdo to nastavuje a omezen\u00ed.<\/span><span class=\"m\"><span>7 min \u010dten\u00ed<\/span><b>\u010c\u00edst \u2192<\/b><\/span><\/a><a class=\"kly-g-card\" href=\"\/cs\/spam-phishing-malware-kompromitovany-ucet\/\" style=\"--cat:#dc2626\"><span class=\"c\">Pochopit \u00b7 Zabezpe\u010den\u00ed e-mail\u016f<\/span><span class=\"t\">Spam, phishing, malware a kompromitovan\u00fd \u00fa\u010det<\/span><span class=\"q\">\u010cty\u0159i hrozby p\u0159ich\u00e1zej\u00ed stejn\u00fdmi dve\u0159mi a ne\u0159e\u0161\u00ed se stejn\u011b. Co ka\u017edou z nich prozrad\u00ed, co ji zastav\u00ed a pro\u010d samotn\u00fd antispam u\u017e nesta\u010d\u00ed.<\/span><span class=\"m\"><span>6 min \u010dten\u00ed<\/span><b>\u010c\u00edst \u2192<\/b><\/span><\/a><a class=\"kly-g-card\" href=\"\/cs\/karantena-falesne-poplachy\/\" style=\"--cat:#dc2626\"><span class=\"c\">Pou\u017e\u00edvat \u00b7 Zabezpe\u010den\u00ed e-mail\u016f<\/span><span class=\"t\">Karant\u00e9na, fale\u0161n\u00e9 poplachy a hl\u00e1\u0161en\u00ed<\/span><span class=\"q\">Co se stane se zpr\u00e1vou zadr\u017eenou Klytic MTA, jak ji uvolnit, opravit fale\u0161n\u00fd poplach a nahl\u00e1sit \u0161kodlivou zpr\u00e1vu.<\/span><span class=\"m\"><span>6 min \u010dten\u00ed<\/span><b>\u010c\u00edst \u2192<\/b><\/span><\/a><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-539316dd e-con e-atomic-element e-div-block-base e-default-div e-c9fd865-4a50 \" data-id=\"539316dd\" data-element_type=\"e-div-block\" data-e-type=\"e-div-block\" data-interaction-id=\"539316dd\" data-e-type=\"e-div-block\" data-id=\"539316dd\">\n    <div class=\"elementor-element elementor-element-4f79afcb e-con e-atomic-element e-div-block-base e-default-div e-4fa9fe-ce86 \" data-id=\"4f79afcb\" data-element_type=\"e-div-block\" data-e-type=\"e-div-block\" data-interaction-id=\"4f79afcb\" data-e-type=\"e-div-block\" data-id=\"4f79afcb\">\n    \t\t\t<p class=\"e-4dcf5c70-2ec7 e-paragraph-base e-default-p\" data-interaction-id=\"330a7a35\" data-e-type=\"widget\" data-id=\"330a7a35\">Uv\u00edtac\u00ed nab\u00eddka<\/p>\n\t\t\t\t\t<h2 data-interaction-id=\"56f1f7d5\" class=\"e-347faa43-4e20 e-heading-base e-default-h2\" data-e-type=\"widget\" data-id=\"56f1f7d5\">30 dn\u00ed zku\u0161ebn\u00ed verze zdarma a migrace s asistenc\u00ed<\/h2>\n\t\t\t\t\t<p class=\"e-7f6310da-1caa e-paragraph-base e-default-p\" data-interaction-id=\"2ce27288\" data-e-type=\"widget\" data-id=\"2ce27288\">Zku\u0161ebn\u00ed nab\u00eddka bez z\u00e1vazk\u016f. N\u00e1\u0161 poradce v\u00e1m zavol\u00e1, aby poznal va\u0161e pot\u0159eby a p\u0159ipravil va\u0161e prost\u0159ed\u00ed Klytic.<\/p>\n\t\t<div class=\"elementor-element elementor-element-35ea29a1 e-con e-atomic-element e-div-block-base e-default-div e-1cd48b22-e6da \" data-id=\"35ea29a1\" data-element_type=\"e-div-block\" data-e-type=\"e-div-block\" data-interaction-id=\"35ea29a1\" data-e-type=\"e-div-block\" data-id=\"35ea29a1\">\n    \t\t\t<a href=\"\/essai-gratuit\/\" target=\"_self\" class=\"e-4a7886e3-652d e-button-base e-default-a\" data-interaction-id=\"19bfa8f1\" data-e-type=\"widget\" data-id=\"19bfa8f1\">\n\t\ud83d\ude80 Zah\u00e1jit zku\u0161ebn\u00ed verzi zdarma\n<\/a>\n\t\t\t\t\t<a href=\"\/tarifs\/\" target=\"_self\" class=\"e-137e863d-dd0d e-button-base e-default-a\" data-interaction-id=\"326d82ab\" data-e-type=\"widget\" data-id=\"326d82ab\">\n\tZobrazit cen\u00edk\n<\/a>\n\t\t\n<\/div>\n\n<\/div>\n\n<\/div>\n\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"elementor_header_footer","meta":{"_seopress_titles_title":"Vestav\u011bn\u00fd filtr, nebo bezpe\u010dnostn\u00ed br\u00e1na e-mailu | Klytic","_seopress_titles_desc":"Filtr v e-mailov\u00e9m syst\u00e9mu, nebo SMTP br\u00e1na p\u0159ed n\u00edm: anal\u00fdza p\u0159ed schr\u00e1nkou, nebo po n\u00ed, cesta po\u0161ty a co br\u00e1na uchov\u00e1v\u00e1.","_seopress_robots_index":"","_seopress_robots_follow":"","_seopress_robots_imageindex":"","_seopress_robots_snippet":"","_seopress_robots_primary_cat":"","_seopress_robots_breadcrumbs":"","_seopress_robots_freeze_modified_date":"","_seopress_robots_custom_modified_date":"","_seopress_robots_canonical":"","_seopress_social_fb_title":"Vestav\u011bn\u00fd filtr, nebo bezpe\u010dnostn\u00ed br\u00e1na e-mailu | Klytic","_seopress_social_fb_desc":"Filtr v e-mailov\u00e9m syst\u00e9mu, nebo SMTP br\u00e1na p\u0159ed n\u00edm: anal\u00fdza p\u0159ed schr\u00e1nkou, nebo po n\u00ed, cesta po\u0161ty a co br\u00e1na uchov\u00e1v\u00e1.","_seopress_social_fb_img":"","_seopress_social_fb_img_attachment_id":0,"_seopress_social_fb_img_width":0,"_seopress_social_fb_img_height":0,"_seopress_social_twitter_title":"Vestav\u011bn\u00fd filtr, nebo bezpe\u010dnostn\u00ed br\u00e1na e-mailu | Klytic","_seopress_social_twitter_desc":"Filtr v e-mailov\u00e9m syst\u00e9mu, nebo SMTP br\u00e1na p\u0159ed n\u00edm: anal\u00fdza p\u0159ed schr\u00e1nkou, nebo po n\u00ed, cesta po\u0161ty a co br\u00e1na uchov\u00e1v\u00e1.","_seopress_social_twitter_img":"","_seopress_social_twitter_img_attachment_id":0,"_seopress_social_twitter_img_width":0,"_seopress_social_twitter_img_height":0,"_seopress_redirections_value":"","_seopress_redirections_enabled":"","_seopress_redirections_enabled_regex":"","_seopress_redirections_logged_status":"","_seopress_redirections_param":"","_seopress_redirections_type":0,"_seopress_analysis_target_kw":"","_seopress_news_disabled":"","_seopress_video_disabled":"","_seopress_video":[],"_seopress_pro_schemas_manual":[],"_seopress_pro_rich_snippets_disable_all":"","_seopress_pro_rich_snippets_disable":[],"_seopress_pro_schemas":[],"footnotes":""},"class_list":["post-7462","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/eu.klytic.com\/cs\/wp-json\/wp\/v2\/pages\/7462","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/eu.klytic.com\/cs\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/eu.klytic.com\/cs\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/eu.klytic.com\/cs\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/eu.klytic.com\/cs\/wp-json\/wp\/v2\/comments?post=7462"}],"version-history":[{"count":0,"href":"https:\/\/eu.klytic.com\/cs\/wp-json\/wp\/v2\/pages\/7462\/revisions"}],"wp:attachment":[{"href":"https:\/\/eu.klytic.com\/cs\/wp-json\/wp\/v2\/media?parent=7462"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}