{"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\/it\/blog\/zashhita-ot-ddos-atak\/zashhita-pochtovogo-smtp-servera","title":{"rendered":"Protezione del server SMTP di posta elettronica","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Ogni utente attivo di Internet si \u00e8 trovato ad affrontare il problema dello spam nella propria casella di posta. Per le grandi aziende, questo problema \u00e8 ancora pi\u00f9 rilevante. A causa della marea di spam che arriva nelle loro caselle di posta ufficiali, \u00e8 facile perdere un'offerta commerciale vantaggiosa, una risposta da un potenziale partner o un curriculum da un candidato promettente.<\/p>\n<p>Secondo le stime pi\u00f9 conservative, la quota di spam nel traffico mondiale di posta elettronica supera la met\u00e0. I dipendenti, ricevendo ogni giorno diverse e-mail di lavoro, cancellano quotidianamente centinaia di messaggi di spam dalla loro casella di posta. In un mese, la lotta contro lo spam occupa diverse ore di lavoro. Una configurazione errata della protezione dallo spam pu\u00f2 portare a che nella cartella \u00ab<strong>Spam<\/strong>\u00bb possano finire anche buone e-mail.<\/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>La protezione del server di posta \u00e8 necessaria contro tali tipi di attacchi, i mezzi di protezione <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/it\/server\/\"   title=\"server\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"1373\">server<\/a>:<\/p>\n<ul style=\"list-style-image: url(https:\/\/prohoster.info\/wp-content\/uploads\/check\/check_server.png);\">\n<li><strong>Attacco DDoS.<\/strong> Un grande flusso di traffico o di e-mail viene inviato al server di posta, il che porta a una sua incapacit\u00e0 di gestire il carico. Un server sovraccarico pu\u00f2 essere o violato o utilizzare questo attacco come un diversivo.<\/li>\n<li><strong>Spam.<\/strong> Lo spam sono messaggi indesiderati. Pu\u00f2 essere di due tipi: commerciale e non commerciale. Se il primo tipo di spam pu\u00f2 essere persino utile per l'azienda, poich\u00e9 si possono ricevere offerte interessanti. Il secondo tipo di spam include pubblicit\u00e0 di siti di incontri, siti pornografici, lettere nigeriane, pseudo-beneficenza, spam politico, lettere di fortuna e spam virale. La filtrazione dello spam pu\u00f2 essere automatica e non automatica. Nella filtrazione automatica si possono utilizzare filtri antispam su <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/it\/server\/dts-dronten\/\"   title=\"server\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"2510\">server<\/a>, o analizzare il corpo della e-mail. Nella filtrazione non automatica, l'utente stesso stabilisce parole chiave di blocco, in base alle quali viene filtrato lo spam. Tali metodi permettono di eliminare il 97% dello spam, lasciando solo i pi\u00f9 nuovi e inventivi metodi per aggirare i blocchi.<\/li>\n<li><strong>Phishing.<\/strong> Infezione del computer tramite un trojan. Questo trojan raccoglie nomi utente, password, numeri di carte di credito degli utenti e li trasmette a terzi. Di solito \u00e8 un'email con un programma allegato o un link a un sito pericoloso. Sfortunatamente, il 90% delle aziende non presta la giusta attenzione a questa minaccia e non aggiorna il software.<\/li>\n<\/ul>\n<p>In <strong>protezione del server SMTP di posta elettronica<\/strong> sono inclusi elenchi neri e grigi, analisi degli allegati, intestazioni, protezione contro la raccolta di indirizzi. Inoltre, viene utilizzato un algoritmo di controllo della massivit\u00e0, che viene migliorato di anno in anno, al posto delle metodologie di spam. Un buon sistema di protezione del server di posta pu\u00f2 gestire centinaia di messaggi al secondo senza un aumento evidente del carico sulla rete.<\/p>\n<p>Nel 90% dei casi, i virus, i keylogger e i trojan entrano nella rete informatica tramite email. <strong>La societ\u00e0 di hosting ProHoster<\/strong> offre di proteggere le vostre caselle di posta aziendali da un mare di spam e virus. Controlleremo tutte le email in arrivo mediante un filtro intelligente per ridurre il traffico.<\/p>\n<p>Puoi ottenere tutti i dettagli dal nostro supporto tecnico. <a rel=\"nofollow\" href=\"\/it\/zhashchita-ot-ddos\/\">Contattaci gi\u00e0 oggi<\/a> \u2013 garantisci una protezione affidabile delle tue caselle di posta.<\/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 - 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