{"id":60582,"date":"2014-02-13T13:29:00","date_gmt":"2014-02-13T12:29:00","guid":{"rendered":"https:\/\/blog.wedos.cz\/?p=60582"},"modified":"2021-04-29T10:02:34","modified_gmt":"2021-04-29T08:02:34","slug":"uprava-nastaveni-odesilani-e-mailu","status":"publish","type":"post","link":"https:\/\/blog.wedos.com\/cs\/uprava-nastaveni-odesilani-e-mailu","title":{"rendered":"\u00daprava nastaven\u00ed odes\u00edl\u00e1n\u00ed e-mail\u016f"},"content":{"rendered":"\n<p>Z d\u016fvodu nutnosti zv\u00fd\u0161en\u00ed zabezpe\u010den\u00ed e-mailov\u00fdch slu\u017eeb proti zneu\u017eit\u00ed rozes\u00edl\u00e1n\u00edm spamu, dojde k zp\u0159\u00edsn\u011bn\u00ed politiky odes\u00edl\u00e1n\u00ed zpr\u00e1v na e-mailov\u00e9m serveru we1.wedos.net.<\/p>\n\n\n\n<!--more-->\n\n\n\n<p>Ji\u017e od po\u010d\u00e1tku na\u0161\u00ed existence klademe d\u016fraz na zabezpe\u010den\u00ed na\u0161ich slu\u017eeb, abychom riziko jak\u00e9hokoliv zneu\u017eit\u00ed co nejv\u00edce minimalizovali. Jedn\u00e1 se v\u0161ak o nikdy nekon\u010d\u00edc\u00ed boj.<\/p>\n\n\n\n<p>Jednou z \u010dast\u00fdch forem zneu\u017e\u00edv\u00e1n\u00ed na\u0161\u00ed infrastruktury, je rozes\u00edl\u00e1n\u00ed nevy\u017e\u00e1dan\u00e9 po\u0161ty. M\u00e1me zavedeny r\u016fzn\u00e9 postupy a pravidla, v\u010detn\u011b pot\u0159ebn\u00e9ho o\u0161et\u0159en\u00ed na serverech, kter\u00fdmi sni\u017eujeme riziko zneu\u017eit\u00ed na\u0161ich slu\u017eeb ke spamov\u00e1n\u00ed, sou\u010dasn\u011b zm\u00edr\u0148ujeme dopad takov\u00e9ho zneu\u017eit\u00ed a usnad\u0148ujeme dohled\u00e1n\u00ed a n\u00e1pravu probl\u00e9mu. Tyto postupy pr\u016fb\u011b\u017en\u011b zdokonalujeme tak, abychom zajistili plynul\u00fd a bezprobl\u00e9mov\u00fd chod na\u0161ich slu\u017eeb. V\u011bt\u0161inu t\u011bchto zm\u011bn na\u0161i z\u00e1kazn\u00edci nijak p\u0159\u00edmo&nbsp;nepoc\u00edt\u00ed, n\u011bkdy je v\u0161ak nutn\u00e9 prov\u00e9st i z\u00e1sadn\u011bj\u0161\u00ed zm\u011bny. Pr\u00e1v\u011b o takov\u00e9 zm\u011bn\u011b je tento \u010dl\u00e1nek.<\/p>\n\n\n\n<p>Jedn\u00e1 se o zp\u0159\u00edsn\u011bn\u00ed zabezpe\u010den\u00ed, kter\u00e9 bude od&nbsp;<strong>1.3.2014<\/strong>&nbsp;nasazeno na po\u0161tovn\u00edm serveru&nbsp;<strong>we1.wedos.net.<\/strong>&nbsp;Po t\u00e9to zm\u011bne ji\u017e&nbsp;<strong>nebude mo\u017en\u00e9 odes\u00edlat, po p\u0159ihl\u00e1\u0161en\u00ed do schr\u00e1nky, e-maily z adres, kter\u00e9 k t\u00e9to schr\u00e1nce&nbsp;<\/strong><strong>nejsou<\/strong><strong>&nbsp;p\u0159i\u0159azeny<\/strong>&nbsp;(tedy nejsou jej\u00edmi aliasy).<\/p>\n\n\n\n<p>Jako p\u0159\u00edklad uvedu schr\u00e1nku &#8222;honza@novak.com&#8220;, schr\u00e1nka m\u00e1 nastaven alias &#8222;jan&#8220; a webhosting, ke kter\u00e9mu tato schr\u00e1nka pat\u0159\u00ed, m\u00e1 nastaven alias &#8222;novak.cz&#8220;. Dle nov\u00e9ho nastaven\u00ed bude mo\u017en\u00e9 po p\u0159ihl\u00e1\u0161en\u00ed do t\u00e9to schr\u00e1nky odes\u00edlat pouze z t\u011bchto adres a \u017e\u00e1dn\u00fdch jin\u00fdch:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>honza@novak.com<\/li><li>jan@novak.com<\/li><li>honza@novak.cz<\/li><li>jan@novak.cz<\/li><\/ul>\n\n\n\n<p>Pokud byste pot\u0159ebovali odes\u00edlat \u0159ekn\u011bme z adresy &#8222;hloupy.honza@novak.com&#8220;, mus\u00edte v nastaven\u00ed schr\u00e1nky v na\u0161\u00ed administraci p\u0159idat n\u00e1zev &#8222;hloupy.honza&#8220; jako alias t\u00e9to schr\u00e1nky.<\/p>\n\n\n\n<p>Toto nastaven\u00ed ji\u017e bez probl\u00e9mu pou\u017e\u00edv\u00e1me na e-mailov\u00e9m serveru we2.wedos.net a \u017e\u00e1dn\u00e9 komplikace nep\u0159in\u00e1\u0161\u00ed, nicm\u00e9n\u011b n\u011bkte\u0159\u00ed z\u00e1kazn\u00edci mohou t\u00e9to vlastnosti vyu\u017e\u00edvat. Pr\u00e1v\u011b z toho d\u016fvodu jsme zaveden\u00ed t\u00e9to restrikce zat\u00edm odkl\u00e1dali, nicm\u00e9n\u011b nyn\u00ed jsme byli nuceni k tomuto kroku p\u0159istoupit.<\/p>\n\n\n\n<p>Jak n\u011bkte\u0159\u00ed zcela jist\u011b zaznamenali, zm\u011bnu uveden\u00e9ho nastaven\u00ed jsme provedli ji\u017e v pond\u011bl\u00ed, 10.2. odpoledne, ale vzhledem k negativn\u00edmu ohlasu od na\u0161ich z\u00e1kazn\u00edk\u016f, jsme nastaven\u00ed znovu vr\u00e1tili do p\u016fvodn\u00edho stavu a rozhodli se nejprve p\u0159edem upozornit na chystanou zm\u011bnu. Za un\u00e1hlen\u00fd krok, kdy jsme n\u011bkter\u00fdm z\u00e1kazn\u00edk\u016fm do\u010dasn\u011b zkomplikovali odes\u00edl\u00e1n\u00ed po\u0161ty, se nyn\u00ed je\u0161t\u011b jednou velice omlouv\u00e1me.<\/p>\n\n\n\n<p>Pokud m\u00e1te k t\u00e9to zm\u011bn\u011b n\u011bjak\u00fd dotaz \u010di p\u0159ipom\u00ednku, nev\u00e1jejte n\u00e1s kontaktovat pomoc\u00ed kontatkn\u00edho formul\u00e1\u0159e:&nbsp;<a href=\"https:\/\/client.wedos.com\/contact\/cform.html\" target=\"_blank\" rel=\"noopener\">https:\/\/client.wedos.com\/contact\/cform.html<\/a>.<\/p>\n\n\n\n<p><strong>Sou\u010dasn\u011b bychom t\u00edmto r\u00e1di vyzvali na\u0161e z\u00e1kazn\u00edky, aby dbali zv\u00fd\u0161en\u00e9 opatrnosti ohledn\u011b p\u0159\u00edsupov\u00fdch \u00fadaj\u016f<\/strong>&nbsp;(a\u0165 u\u017e k e-mailov\u00fdm schr\u00e1nk\u00e1m \u010di kamkoliv jinam). Ke zneu\u017eit\u00ed schr\u00e1nky k rozes\u00edl\u00e1n\u00ed spamu zpravidla&nbsp;nedoch\u00e1z\u00ed zneu\u017eit\u00edm n\u011bjak\u00e9 bezpe\u010dnostn\u00ed d\u00edry po\u0161tovn\u00edho serveru (takovouto formu zneu\u017eit\u00ed jsme v r\u00e1mci na\u0161ich e-mailov\u00fdch server\u016f dosud nezaznamenali). Ke zneu\u017eit\u00ed doch\u00e1z\u00ed zpravidla dv\u011bma zp\u016fsoby:&nbsp;<\/p>\n\n\n\n<p>Prvn\u00edm zp\u016fsobem je&nbsp;<strong>napaden\u00ed po\u010d\u00edta\u010de<\/strong>&nbsp;(\u010di jin\u00e9ho za\u0159\u00edzen\u00ed), p\u0159es kter\u00e9 se u\u017eivatel b\u011b\u017en\u011b do schr\u00e1nky p\u0159ihla\u0161uje, \u00fato\u010dn\u00edk potom za pomoci viru bu\u010f odciz\u00ed p\u0159\u00edstupov\u00e9 \u00fadaje ke schr\u00e1nce nebo spam z tohoto m\u00edsta rovnou odes\u00edl\u00e1. Udr\u017eujte tedy va\u0161e po\u010d\u00edta\u010de, telefony a dal\u0161\u00ed za\u0159\u00edzen\u00ed pravideln\u011b aktualizovan\u00e9 a zabezpe\u010den\u00e9 kvalitn\u00edm antivirov\u00fdm softwarem, prov\u00e1d\u011bjte pravideln\u00e9 antivirov\u00e9 kontroly a na internetu se chovejte opatrn\u011b. Takt\u00e9\u017e nikdy neukl\u00e1dejte v po\u010d\u00edta\u010di hesla v ne\u0161ifrovan\u00e9 podob\u011b.<\/p>\n\n\n\n<p>Druh\u00fdm zp\u016fsobem zneu\u017eit\u00ed schr\u00e1nky b\u00fdv\u00e1 odcizen\u00ed p\u0159\u00edstupov\u00fdch \u00fadaj\u016f pomoc\u00ed tzv.&nbsp;<strong>phishingu<\/strong>&nbsp;(<a href=\"https:\/\/cs.wikipedia.org\/wiki\/Phishing\" target=\"_blank\" rel=\"noopener\">https:\/\/cs.wikipedia.org\/wiki\/Phishing<\/a>). Ob\u011b\u0165 phishingu je v\u011bt\u0161inou nal\u00e1k\u00e1na na str\u00e1nku, kde je vyzv\u00e1na k zad\u00e1n\u00ed p\u0159\u00edstupov\u00fdch \u00fadaj\u016f, v\u011bt\u0161inou pod z\u00e1minkou n\u011bjak\u00e9 nutn\u00e9 \u00fapravy nastaven\u00ed. M\u00edsto toto je v\u0161ak zadan\u00e9 jm\u00e9no a heslo zaznamen\u00e1no a \u00fato\u010dn\u00edk se m\u016f\u017ee vesele p\u0159ihl\u00e1sit do schr\u00e1nky nic netu\u0161\u00edc\u00edho u\u017eivatele. Nereagujte tedy na e-maily, ve kter\u00fdch v\u00e1s nezn\u00e1m\u00e1 osoba l\u00e1mavou \u010de\u0161tinou vyz\u00fdv\u00e1 ke kliknut\u00ed na odkaz a p\u0159ihl\u00e1\u0161en\u00ed do e-mailu. Naopak n\u00e1m takovou zpr\u00e1vu co nejd\u0159\u00edve p\u0159epo\u0161lete.<\/p>\n\n\n\n<p>V neposledn\u00ed \u0159ad\u011b je tak\u00e9 nutn\u00e9 db\u00e1t na dostate\u010dnou&nbsp;<strong>s\u00edlu hesla<\/strong>. V hesle by se nikdy nem\u011bly vyskytovat \u00fadaje jako va\u0161e datum narozen\u00ed \u010di \u010d\u00e1st rodn\u00e9ho \u010d\u00edsla, jm\u00e9no va\u0161eho psa, p\u0159\u00edtelkyn\u011b, d\u00edt\u011bte, ani jm\u00e9no m\u011bsta, ve kter\u00e9m bydl\u00edte \u010di pracujete. Pro \u00fato\u010dn\u00edka toti\u017e \u010dasto nen\u00ed v\u016fbec komplikovan\u00e9 si takov\u00e9to \u00fadaje o v\u00e1s zjistit, zkusit je v r\u016fzn\u00fdch kombinac\u00edch zadat jako heslo ke schr\u00e1nce, v mnoha p\u0159\u00edpadech s velice rychl\u00fdm \u00fasp\u011bchem. Takt\u00e9\u017e byste m\u011bli m\u00edt pro r\u016fzn\u00e9 \u00fa\u010dely jedine\u010dn\u00e1 hesla, jinak sta\u010d\u00ed z\u00edskat jedno a \u00fato\u010dn\u00edk m\u00e1 p\u0159\u00edstup v\u0161ude.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Z d\u016fvodu nutnosti zv\u00fd\u0161en\u00ed zabezpe\u010den\u00ed e-mailov\u00fdch slu\u017eeb proti zneu\u017eit\u00ed rozes\u00edl\u00e1n\u00edm spamu, dojde k zp\u0159\u00edsn\u011bn\u00ed politiky odes\u00edl\u00e1n\u00ed zpr\u00e1v na e-mailov\u00e9m serveru we1.wedos.net.<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[41,67],"class_list":["post-60582","post","type-post","status-publish","format-standard","hentry","category-sluzby","tag-nolimit","tag-webhosting"],"_links":{"self":[{"href":"https:\/\/blog.wedos.com\/cs\/wp-json\/wp\/v2\/posts\/60582","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=60582"}],"version-history":[{"count":1,"href":"https:\/\/blog.wedos.com\/cs\/wp-json\/wp\/v2\/posts\/60582\/revisions"}],"predecessor-version":[{"id":60585,"href":"https:\/\/blog.wedos.com\/cs\/wp-json\/wp\/v2\/posts\/60582\/revisions\/60585"}],"wp:attachment":[{"href":"https:\/\/blog.wedos.com\/cs\/wp-json\/wp\/v2\/media?parent=60582"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.wedos.com\/cs\/wp-json\/wp\/v2\/categories?post=60582"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.wedos.com\/cs\/wp-json\/wp\/v2\/tags?post=60582"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}