V\u00e1\u017een\u00ed z\u00e1kazn\u00edci a fanou\u0161ci WEDOS, r\u00e1di bychom v\u00e1m p\u0159edstavili nov\u00fd WEDOS Antispam, kter\u00fd jsme nasadili za\u010d\u00e1tkem z\u00e1\u0159\u00ed. D\u00edky n\u011bmu klesl v\u00fdrazn\u011b po\u010det doru\u010den\u00fdch spam\u016f do va\u0161ich emailov\u00fdch schr\u00e1nek a do budoucna se postar\u00e1 o to, aby spam byl jen vz\u00e1cnou v\u00fdjimkou.<\/p>\n\n\n\n\n\n\n\n
V\u00e1\u017een\u00ed z\u00e1kazn\u00edci a fanou\u0161ci WEDOS, r\u00e1di bychom v\u00e1m p\u0159edstavili nov\u00fd WEDOS Antispam, kter\u00fd jsme nasadili za\u010d\u00e1tkem z\u00e1\u0159\u00ed. D\u00edky n\u011bmu klesl v\u00fdrazn\u011b po\u010det doru\u010den\u00fdch spam\u016f do va\u0161ich emailov\u00fdch schr\u00e1nek a do budoucna se postar\u00e1 o to, aby spam byl jen vz\u00e1cnou v\u00fdjimkou. Spame\u0159i ud\u011blali za posledn\u00ed rok a p\u016fl velk\u00fd pokrok. Standardn\u00ed detekce u\u017e na n\u011b nesta\u010dila a za\u010dali jste n\u00e1m ps\u00e1t, jestli by ne\u0161lo na\u0161e dosavadn\u00ed \u0159e\u0161en\u00ed je\u0161t\u011b zp\u0159\u00edsnit. To by v\u0161ak u\u017e mohlo zp\u016fsobovat ozna\u010dov\u00e1n\u00ed i n\u011bkter\u00fdch regul\u00e9rn\u00edch obchodn\u00edch nab\u00eddek jako spam. Pustili jsme se tak do v\u00fdvoje hned dvou nov\u00fdch \u0159e\u0161en\u00ed, kter\u00e9 v dne\u0161n\u00ed dob\u011b p\u0159edstavuj\u00ed to nejlep\u0161\u00ed.<\/p>\n\n\n\n
Prvn\u00ed \u0159e\u0161en\u00ed (WEDOS Antispam A1<\/strong>) bylo postaven\u00e9 na proxy serveru, kter\u00fd filtroval p\u0159\u00edchoz\u00ed po\u0161tu pomoc\u00ed v\u00edce jak 200 n\u00e1stroj\u016f a metod, je\u0161t\u011b p\u0159edt\u00edm ne\u017e email dorazil na mailserver. V\u00fdsledky byly velmi p\u0159\u00edzniv\u00e9 a tak jsme jej v srpnu 2018 vypustili do ve\u0159ejn\u00e9ho beta testu<\/a>. Toto \u0159e\u0161en\u00ed se n\u00e1m velice l\u00edbilo, proto\u017ee by \u0161lo snadno nasadit i na VPS SSD<\/a>, VPS ON<\/a> a Dedikovan\u00e9 servery<\/a>. Jedinou nev\u00fdhodou byla nutnost m\u00edt na to vy\u0161kolen\u00e9ho pracovn\u00edka, kter\u00fd by pr\u016fb\u011b\u017en\u011b jednotliv\u00e9 n\u00e1stroje kalibroval. Jakmile email doraz\u00ed jsou provedeny prvn\u00ed testy. Zde se pou\u017e\u00edvaj\u00ed blacklisty a tvrd\u00e1 zam\u00edtnut\u00ed pro to nejhor\u0161\u00ed, co na emaily chod\u00ed. Tyto emaily v\u00e1m nedoraz\u00ed a ani je nechcete nikdy vid\u011bt \ud83d\ude42 Pokud je vyhodnocen jako spam, WEDOS Antispam do n\u011bj automaticky vlo\u017e\u00ed zna\u010dku X-Spam-Flag: YES<\/strong>. Tato zna\u010dka \u0159ekne Va\u0161emu emailov\u00e9mu klientovi, a\u0165 takto ozna\u010den\u00fd email p\u0159esune do slo\u017eky Nevy\u017e\u00e1dan\u00e1<\/em> (anglicky Junk<\/em>) v Thunderbird anebo Nevy\u017e\u00e1dan\u00e1 po\u0161ta<\/em> v MS Outlook (tato slo\u017eka mus\u00ed existovat a emailov\u00fd klient to mus\u00ed m\u00edt povolen\u00e9). Pokud pou\u017e\u00edv\u00e1te na\u0161eho webov\u00e9 klienta RoundClube (roundcube.wedos.net<\/a>) anebo stahujete po\u0161tu p\u0159es IMAP, tak se o v\u0161e postar\u00e1 automaticky n\u00e1\u0161 server (mus\u00ed v\u0161ak existovat slo\u017eka pro spam). Jestli email nasb\u00edr\u00e1 dostate\u010dn\u00e9 hodnocen\u00ed, ale nejsme si jist\u00ed, \u017ee se jedn\u00e1 o spam, tak se aktivuje takzvan\u00fd greylisting<\/em>. Je to obl\u00edben\u00e1 a velice efektivn\u00ed metoda jak email otestovat. Ozn\u00e1m\u00edme mailserveru, kter\u00fd email odeslal, \u017ee jsme nedostupn\u00ed a \u017ee to m\u00e1 zkusit pozd\u011bji. Pokud nap\u0159\u00edklad spamer pad\u011blal odesilatele, tak ten o emailu nebude nic v\u011bd\u011bt a znovu jej nepo\u0161le. Jestli se v\u0161ak jednalo o regul\u00e9rn\u00ed email tak n\u00e1m v\u011bt\u0161inou za p\u00e1r minut doraz\u00ed znovu.<\/p>\n\n\n\n Jestli\u017ee je email vyhodnocen\u00fd jako \u010dist\u00fd, tak v\u00e1m norm\u00e1ln\u011b doraz\u00ed do po\u0161ty. V sou\u010dasn\u00e9 dob\u011b s n\u00edm u\u017e v\u00edce nepracujeme. Ov\u0161em v n\u00e1sleduj\u00edc\u00edch m\u011bs\u00edc\u00edch m\u00e1me v pl\u00e1nu WEDOS Antispam d\u00e1le roz\u0161\u00ed\u0159it.<\/p>\n\n\n\n Do strojov\u00e9ho u\u010den\u00ed se zapoj\u00edte i vy. Prozat\u00edm n\u00e1m pos\u00edl\u00e1te vzorky probl\u00e9mov\u00e9ho spamu ru\u010dn\u011b. M\u00e1me p\u0159ipraven\u00e9 u\u017e n\u011bjak\u00e9 automatizace, ale nen\u00ed to \u00fapln\u011b to, co bychom cht\u011bli. Ve verzi B1.1 budete moci ozna\u010dit email jako SPAM anebo naopak jako HAM. U obchodn\u00edch nab\u00eddek, i t\u011bch nejslu\u0161n\u011bj\u0161\u00edch, ov\u0161em nezabr\u00e1n\u00edte tomu, \u017ee v\u00e1s n\u011bkdo neozna\u010d\u00ed jako spam. Lid\u00e9 to ob\u010das d\u011blaj\u00ed m\u00edsto odhl\u00e1\u0161en\u00ed, proto\u017ee v\u011bd\u00ed \u017ee si to mailserver pro jejich emailovou schr\u00e1nku zapamatuje a dal\u0161\u00ed u\u017e nedostanou. Proto se s verzi B1.2 m\u016f\u017eete t\u011b\u0161it na zaveden\u00ed slo\u017eky Hromadn\u00e9 <\/strong>(prozat\u00edmn\u00ed pracovn\u00ed n\u00e1zev). Tam budou ukl\u00e1d\u00e1ny v\u0161echny obchodn\u00ed nab\u00eddky. Pod\u00edv\u00e1te se na n\u011b a\u017e budete m\u00edt chu\u0165. Nov\u00e9 \u0159e\u0161en\u00ed se d\u00e1 velice snadno oh\u00fdbat a upravovat, co\u017e byl tak\u00e9 jeden z d\u016fvod\u016f pro\u010d jsme se k n\u011bmu p\u0159iklonili. Tak\u017ee jak bude vypadat WEDOS Antispam B1.3 z\u00e1le\u017e\u00ed jen na v\u00e1s \ud83d\ude42 Jednalo se o jednu z nejv\u011bt\u0161\u00edch zm\u011bn pro mailov\u00e9 slu\u017eby od srpna 2015, kdy jsme nasadili nov\u00fd mailserver. Mimochodem od t\u00e9 doby nebyl ani jednou p\u0159et\u00ed\u017een. Emaily jsou d\u016fle\u017eitou sou\u010d\u00e1st\u00ed sd\u00edlen\u00e9ho webhostingu, co\u017e moc dob\u0159e v\u00edme, a i do budoucna se jim budeme n\u00e1le\u017eit\u011b v\u011bnovat. M\u00e1me na to zku\u0161en\u00fd t\u00fdm lid\u00ed. V\u00e1\u017een\u00ed z\u00e1kazn\u00edci a fanou\u0161ci WEDOS, r\u00e1di bychom v\u00e1m p\u0159edstavili nov\u00fd WEDOS Antispam, kter\u00fd jsme nasadili za\u010d\u00e1tkem z\u00e1\u0159\u00ed. D\u00edky n\u011bmu klesl v\u00fdrazn\u011b po\u010det doru\u010den\u00fdch spam\u016f do va\u0161ich emailov\u00fdch schr\u00e1nek a do budoucna se postar\u00e1 o to, aby spam byl jen vz\u00e1cnou v\u00fdjimkou.<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[32,3],"tags":[],"class_list":["post-55713","post","type-post","status-publish","format-standard","hentry","category-novinky","category-spolecnost"],"_links":{"self":[{"href":"https:\/\/blog.wedos.com\/cs\/wp-json\/wp\/v2\/posts\/55713","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.wedos.com\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.wedos.com\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.wedos.com\/cs\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.wedos.com\/cs\/wp-json\/wp\/v2\/comments?post=55713"}],"version-history":[{"count":2,"href":"https:\/\/blog.wedos.com\/cs\/wp-json\/wp\/v2\/posts\/55713\/revisions"}],"predecessor-version":[{"id":55748,"href":"https:\/\/blog.wedos.com\/cs\/wp-json\/wp\/v2\/posts\/55713\/revisions\/55748"}],"wp:attachment":[{"href":"https:\/\/blog.wedos.com\/cs\/wp-json\/wp\/v2\/media?parent=55713"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.wedos.com\/cs\/wp-json\/wp\/v2\/categories?post=55713"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.wedos.com\/cs\/wp-json\/wp\/v2\/tags?post=55713"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
Druh\u00e9 \u0159e\u0161en\u00ed (WEDOS Antispam B1<\/strong>) je postaven\u00e9 na tom nejlep\u0161\u00edm, co se dnes pro detekci d\u00e1 pou\u017e\u00edt, emaily hodnot\u00ed podle t\u00e9m\u011b\u0159 p\u011bti set parametr\u016f, a nav\u00edc vyu\u017e\u00edv\u00e1 „samou\u010d\u00edc\u00ed“ algoritmy, pro zp\u0159esn\u011bn\u00ed detekce. Jen pro p\u0159edstavu v 0:25 dorazil velice sofistikovan\u00fd spam tv\u00e1\u0159\u00edc\u00ed se jako newsletter, kter\u00fd n\u00e1\u0161 WEDOS Antispam je\u0161t\u011b nevid\u011bl, a tak nebyl vyhodnocen jako spam se sk\u00f3re -0,44 (15 bod\u016f je pot\u0159eba pro ozna\u010den\u00ed jako spam). V 0:28 dorazila jeho pozm\u011bn\u011bn\u00e1 verze n\u011bkolika dal\u0161\u00edm z\u00e1kazn\u00edk\u016fm a u\u017e dostal sk\u00f3re 0,47. R\u00e1no v 10:56 u\u017e m\u011bl hodnocen\u00ed 17,62 z 15 a byl ozna\u010dov\u00e1n jako regul\u00e9rn\u00ed spam a to v\u010detn\u011b jeho budouc\u00edch pozm\u011bn\u011bn\u00fdch variant.
Nakonec jsme se rozhodli pro druh\u00e9 \u0159e\u0161en\u00ed (WEDOS Antispam B1<\/strong>). Hlavn\u00edm d\u016fvodem bylo pr\u00e1v\u011b strojov\u00e9 u\u010den\u00ed. Vzhledem k tomu, \u017ee jsme z\u0159ejm\u011b nejv\u011bt\u0161\u00edm poskytovatelem mailhostingu v \u010cesku, tak m\u00e1me dostatek email\u016f, z kter\u00fdch se m\u016f\u017ee u\u010dit. Jen pro p\u0159edstavu \u2013 na\u0161imi mailservery denn\u011b projde 2 a\u017e 5 milion\u016f email\u016f. Po\u010det se m\u011bn\u00ed podle sez\u00f3ny a aktivity botnet\u016f. Samoz\u0159ejm\u011b p\u0159ihl\u00e9dli jsme i k mo\u017enostem \u0161k\u00e1lovatelnosti a odolnosti cel\u00e9ho \u0159e\u0161en\u00ed.<\/p>\n\n\n\nJak tedy nov\u00fd WEDOS Antispam funguje?<\/h3>\n\n\n\n
N\u00e1sleduje bodov\u00e9 ohodnocen\u00ed emailu v n\u011bkolika kategori\u00edch. Jsou vyu\u017eity r\u016fzn\u00e9 n\u00e1stroje v\u010detn\u011b strojov\u00e9ho u\u010den\u00ed. V tomto okam\u017eiku se s emailem m\u016f\u017eou st\u00e1t t\u0159i v\u011bci. Je vyhodnocen jako spam<\/strong>, je podez\u0159el\u00fd<\/strong> anebo projde jako \u010dist\u00fd.<\/strong>
<\/p>\n\n\n\nSpam<\/h3>\n\n\n\n
Jestli\u017ee V\u00e1\u0161 emailov\u00fd klient nevkl\u00e1d\u00e1 emaily do slo\u017eky Spam, je t\u0159eba mu to povolit.
V\u00edce informac\u00ed se dozv\u00edte v na\u0161\u00ed znalostn\u00ed b\u00e1zi https:\/\/kb.wedos.com\/cs\/emaily\/spam.html<\/a><\/p>\n\n\n\nPodez\u0159el\u00e9 emaily<\/h3>\n\n\n\n
\u010cist\u00fd email a nahl\u00e9dnut\u00ed do budoucnosti slu\u017eby<\/h3>\n\n\n\n
WEDOS Antispam B1.1<\/h4>\n\n\n\n
Pokud se objev\u00ed n\u011bjak\u00fd nov\u00fd spam, kter\u00fd je\u0161t\u011b n\u00e1\u0161 WEDOS Antispam nezn\u00e1, tak mu potrv\u00e1 p\u00e1r hodin ne\u017e jej za\u010dne spr\u00e1vn\u011b ozna\u010dovat. Pokud v\u0161ak v\u00edce na\u0161ich z\u00e1kazn\u00edk\u016f tento spam ozna\u010d\u00ed jako nevy\u017e\u00e1dan\u00fd (SPAM), tak to bude siln\u00fd sign\u00e1l. Cel\u00e1 spamov\u00e1 kampa\u0148 pak m\u016f\u017ee skon\u010dit b\u011bhem p\u00e1r des\u00edtek minut.
Naopak nejv\u011bt\u0161\u00ed strach m\u00e1me z fale\u0161n\u011b pozitivn\u00edch ozna\u010den\u00ed. U regul\u00e9rn\u00edch email\u016f, kde neprob\u00edh\u00e1 skupinov\u00e1 konverzace jsou velice nepravd\u011bpodobn\u00e9 (m\u00e1me to tak nastaven\u00e9). Ov\u0161em vy\u017e\u00e1dan\u00e1 obchodn\u00ed nab\u00eddka by ob\u010das mohla skon\u010dit ve spamu. Z\u00e1kazn\u00edci WEDOS v\u0161ak budou m\u00edt mo\u017enost ozna\u010dit takov\u00fdto legitimn\u00ed spam jako HAM a tak mu zlep\u0161it reputaci pro p\u0159\u00ed\u0161t\u011b.<\/p>\n\n\n\nWEDOS Antispam B1.2<\/h4>\n\n\n\n
Samoz\u0159ejm\u011b budete m\u00edt plnou kontrolu nad filtry a sami si m\u016f\u017eete nastavit, kterou hromadnou po\u0161tu do slo\u017eky Hromadn\u00e9 ned\u00e1vat.<\/p>\n\n\n\nWEDOS Antispam B1.3<\/h4>\n\n\n\n
Napi\u0161te n\u00e1m, co by se v\u00e1m l\u00edbilo aby um\u011bl a t\u0159eba to do jedn\u00e9 z dal\u0161\u00edch verz\u00ed p\u0159id\u00e1me \ud83d\ude09<\/p>\n\n\n\nZ\u00e1v\u011br<\/h3>\n\n\n\n
NoLimit je dlouhodob\u011b nejobl\u00edben\u011bj\u0161\u00ed sd\u00edlen\u00fd webhosting v \u010cesku. Poskytujeme k n\u011bmu zdarma\u00a0DDoS ochranu<\/a>,\u00a0IPS\/IDS ochranu<\/a>\u00a0a te\u010f i nov\u00fd vylep\u0161en\u00fd WEDOS Antispam.
D\u011bkujeme v\u00e1m za d\u016fv\u011bru. D\u00edky v\u00e1m rosteme ka\u017ed\u00fd m\u011bs\u00edc a m\u016f\u017eeme na\u0161e slu\u017eby neust\u00e1le zlep\u0161ovat.<\/p>\n","protected":false},"excerpt":{"rendered":"