{"id":41975,"date":"2017-09-13T00:00:00","date_gmt":"2017-09-12T21:00:00","guid":{"rendered":"https:\/\/prohoster.info\/blog\/blog_prohoster\/zashhita-pochtovogo-smtp-servera"},"modified":"2020-02-18T13:44:45","modified_gmt":"2020-02-18T10:44:45","slug":"zashhita-pochtovogo-smtp-servera","status":"publish","type":"post","link":"https:\/\/prohoster.info\/pl\/blog\/zashhita-ot-ddos-atak\/zashhita-pochtovogo-smtp-servera","title":{"rendered":"Ochrona serwera SMTP poczty","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Ka\u017cdy aktywny u\u017cytkownik Internetu spotka\u0142 si\u0119 z problemem spamu w skrzynce pocztowej. Dla du\u017cych firm problem ten jest jeszcze bardziej aktualny. Z powodu morza spamu, kt\u00f3re trafia na ich oficjalne skrzynki pocztowe, cz\u0119sto mo\u017cna przegapi\u0107 korzystn\u0105 ofert\u0119 handlow\u0105, odpowied\u017a od potencjalnego partnera lub CV od obiecuj\u0105cego kandydata.<\/p>\n<p>Wed\u0142ug najskromniejszych szacunk\u00f3w udzia\u0142 spamu w globalnym ruchu pocztowym przekracza po\u0142ow\u0119. Pracownicy, otrzymuj\u0105c ka\u017cdego dnia kilka biznesowych e-maili, usuwaj\u0105 z skrzynki kilka setek spamu. Miesi\u0119cznie walka ze spamem zajmuje kilka godzin czasu pracy. Niew\u0142a\u015bciwa konfiguracja ochrony przed spamem mo\u017ce prowadzi\u0107 do tego, \u017ce do folderu \u201e<strong>Spam<\/strong>\u201d mog\u0105 trafi\u0107 dobre wiadomo\u015bci.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/prohoster.info\/wp-content\/uploads\/2017\/09\/zashchita-pochtovogo-smtp-servera.png\" alt=\"\" width=\"596\" height=\"562\" class=\"aligncenter size-full wp-image-5180\" \/><\/p>\n<p>Ochrona serwera pocztowego jest potrzebna przed takimi rodzajami atak\u00f3w, jak <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/pl\/server\/\"   title=\"serwer\u00f3w\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"1373\">serwer\u00f3w<\/a>:<\/p>\n<ul style=\"list-style-image: url(https:\/\/prohoster.info\/wp-content\/uploads\/check\/check_server.png);\">\n<li><strong>atak DDoS.<\/strong> Na serwer pocztowy wysy\u0142any jest du\u017cy strumie\u0144 ruchu lub wiadomo\u015bci, w wyniku czego przestaje on odpowiednio funkcjonowa\u0107. Przeci\u0105\u017cony serwer mo\u017ce zosta\u0107 albo zhakowany, albo wykorzystany jako manewr odwracaj\u0105cy uwag\u0119.<\/li>\n<li><strong>Spam.<\/strong> Spam to niechciane wiadomo\u015bci pocztowe. Mo\u017ce by\u0107 dw\u00f3ch rodzaj\u00f3w \u2013 komercyjny i niekomercyjny. Pierwszy rodzaj spamu mo\u017ce by\u0107 nawet przydatny dla firmy, poniewa\u017c mo\u017cna otrzyma\u0107 do\u015b\u0107 ciekawe oferty. Drugi rodzaj spamu to reklama stron randkowych, pornograficznych, nigeryjskie listy, pseudocharytatywno\u015b\u0107, spam polityczny, listy z \u017cyczeniami oraz spam wirusowy. Filtracja spamu mo\u017ce by\u0107 automatyczna i nieautomatyczna. W filtracji automatycznej wykorzystuje si\u0119 filtry antyspamowe na <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/pl\/server\/dts-dronten\/\"   title=\"serwerze\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"2510\">serwerze<\/a>, lub analiz\u0119 tre\u015bci wiadomo\u015bci. W filtracji nieautomatycznej u\u017cytkownik samodzielnie ustawia s\u0142owa kluczowe, na podstawie kt\u00f3rych filtruje spam. Takie metody pozwalaj\u0105 odsia\u0107 97% spamu, pozostawiaj\u0105c jedynie najnowsze i najbardziej pomys\u0142owe obej\u015bcia blokad.<\/li>\n<li><strong>Phishing.<\/strong> Zara\u017cenie komputera trojanem. Ten trojan zbiera loginy, has\u0142a, numery kart bankowych u\u017cytkownik\u00f3w i przekazuje je osobom trzecim. Zazwyczaj jest to wiadomo\u015b\u0107 z za\u0142\u0105czonym programem lub linkiem do z\u0142o\u015bliwej strony. Niestety, 90% firm nie zwraca nale\u017cytej uwagi na to zagro\u017cenie i nie aktualizuje oprogramowania.<\/li>\n<\/ul>\n<p>W <strong>ochron\u0105 serwera SMTP pocztowego<\/strong> obejmuje czarne i szare listy, analiz\u0119 za\u0142\u0105cznik\u00f3w, nag\u0142\u00f3wk\u00f3w, ochron\u0119 przed zbieraniem adres\u00f3w. Dodatkowo stosowany jest algorytm do weryfikacji masowo\u015bci, kt\u00f3ry jest ulepszany z roku na rok, zamiast metod spamu. Dobrze skonstruowany system ochrony serwera pocztowego potrafi przetwarza\u0107 setki wiadomo\u015bci na sekund\u0119 bez zauwa\u017calnego wzrostu obci\u0105\u017cenia sieci.<\/p>\n<p>W 90% przypadk\u00f3w wirusy, keyloggery i trojany wnikaj\u0105 do sieci komputerowej w\u0142a\u015bnie za po\u015brednictwem poczty elektronicznej. <strong>Firma hostingowa ProHoster<\/strong> oferuje ochron\u0119 Twoich firmowych skrzynek pocztowych przed morzem spamu i wirus\u00f3w. Sprawdzimy wszystkie przychodz\u0105ce wiadomo\u015bci za pomoc\u0105 inteligentnego filtra, aby zmniejszy\u0107 ruch.<\/p>\n<p>Wszystkie szczeg\u00f3\u0142y mo\u017cna uzyska\u0107 u naszej pomocy technicznej. <a rel=\"nofollow\" href=\"\/pl\/zhashchita-ot-ddos\/\">Skontaktuj si\u0119 z nami ju\u017c dzi\u015b<\/a> \u2013 zapewnij niezawodn\u0105 ochron\u0119 swoich skrzynek pocztowych.<\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041a\u0430\u0436\u0434\u044b\u0439 \u0430\u043a\u0442\u0438\u0432\u043d\u044b\u0439 \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u044c \u0418\u043d\u0442\u0435\u0440\u043d\u0435\u0442\u0430 \u0441\u0442\u0430\u043b\u043a\u0438\u0432\u0430\u043b\u0441\u044f \u0441 \u043f\u0440\u043e\u0431\u043b\u0435\u043c\u043e\u0439 \u0441\u043f\u0430\u043c\u0430 \u0432 \u043f\u043e\u0447\u0442\u043e\u0432\u043e\u043c \u044f\u0449\u0438\u043a\u0435. \u0414\u043b\u044f \u0431\u043e\u043b\u044c\u0448\u0438\u0445 \u043a\u043e\u043c\u043f\u0430\u043d\u0438\u0439 \u044d\u0442\u0430 \u043f\u0440\u043e\u0431\u043b\u0435\u043c\u0430 \u0435\u0449\u0451 \u0430\u043a\u0442\u0443\u0430\u043b\u044c\u043d\u0435\u0435. \u0418\u0437-\u0437\u0430 \u043c\u043e\u0440\u044f \u0441\u043f\u0430\u043c\u0430, \u043f\u0440\u0438\u0445\u043e\u0434\u044f\u0449\u0435\u0433\u043e \u043d\u0430 \u0438\u0445 \u043e\u0444\u0438\u0446\u0438\u0430\u043b\u044c\u043d\u044b\u0435 \u043f\u043e\u0447\u0442\u043e\u0432\u044b\u0435 \u044f\u0449\u0438\u043a\u0438, \u0447\u0430\u0441\u0442\u043e \u043c\u043e\u0436\u043d\u043e \u043f\u0440\u043e\u043f\u0443\u0441\u0442\u0438\u0442\u044c \u0432\u044b\u0433\u043e\u0434\u043d\u043e\u0435 \u043a\u043e\u043c\u043c\u0435\u0440\u0447\u0435\u0441\u043a\u043e\u0435 \u043f\u0440\u0435\u0434\u043b\u043e\u0436\u0435\u043d\u0438\u0435, \u043e\u0442\u0432\u0435\u0442 \u043e\u0442 \u043f\u043e\u0442\u0435\u043d\u0446\u0438\u0430\u043b\u044c\u043d\u043e\u0433\u043e \u043f\u0430\u0440\u0442\u043d\u0451\u0440\u0430 \u0438\u043b\u0438 \u0440\u0435\u0437\u044e\u043c\u0435 \u043e\u0442 \u043f\u0435\u0440\u0441\u043f\u0435\u043a\u0442\u0438\u0432\u043d\u043e\u0433\u043e \u0441\u043e\u0438\u0441\u043a\u0430\u0442\u0435\u043b\u044f. \u041f\u043e \u0441\u0430\u043c\u044b\u043c \u0441\u043a\u0440\u043e\u043c\u043d\u044b\u043c \u043e\u0446\u0435\u043d\u043a\u0430\u043c, \u0434\u043e\u043b\u044f \u0441\u043f\u0430\u043c\u0430 \u0432 \u043c\u0438\u0440\u043e\u0432\u043e\u043c \u043f\u043e\u0447\u0442\u043e\u0432\u043e\u043c \u0442\u0440\u0430\u0444\u0438\u043a\u0435 \u043f\u0440\u0435\u0432\u044b\u0448\u0430\u0435\u0442 \u043f\u043e\u043b\u043e\u0432\u0438\u043d\u0443. \u0421\u043e\u0442\u0440\u0443\u0434\u043d\u0438\u043a\u0438, [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":41976,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[698],"tags":[],"class_list":["post-41975","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-zashhita-ot-ddos-atak"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.1.1 - 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