{"id":428,"date":"2020-12-01T12:19:45","date_gmt":"2020-12-01T15:19:45","guid":{"rendered":"https:\/\/www.task.com.br\/blog\/?p=428"},"modified":"2024-03-20T10:21:19","modified_gmt":"2024-03-20T13:21:19","slug":"o-que-sao-blacklists-ou-listas-negras","status":"publish","type":"post","link":"https:\/\/www.task.com.br\/blog\/o-que-sao-blacklists-ou-listas-negras\/","title":{"rendered":"O que s\u00e3o blacklists ou listas negras?"},"content":{"rendered":"<figure id=\"attachment_1111\" aria-describedby=\"caption-attachment-1111\" style=\"width: 600px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" title=\"Blacklists ou Listas negras\" src=\"https:\/\/www.task.com.br\/blog\/wp-content\/uploads\/black-list.png\" alt=\"Blacklists\" width=\"600\" height=\"314\" \/><figcaption id=\"caption-attachment-1111\" class=\"wp-caption-text\">Blacklists ou Listas negras<\/figcaption><\/figure>\r\n<p dir=\"ltr\"><strong><em>Blacklists<\/em><\/strong> s\u00e3o listas de endere\u00e7os IP, dom\u00ednios ou endere\u00e7os eletr\u00f4nicos que possuem hist\u00f3rico como fonte de <strong>spams<\/strong>.<\/p>\r\n<p dir=\"ltr\">Essas listas s\u00e3o criadas a partir de t\u00e9cnicas para identifica\u00e7\u00e3o deste tipo de atividade, por exemplo, a dissemina\u00e7\u00e3o de <strong>endere\u00e7os de e-mail falsos<\/strong> (honeypot).<\/p>\r\n<p dir=\"ltr\">Esses endere\u00e7os s\u00e3o usados apenas para o recebimento de spams e s\u00e3o divulgados estrategicamente em f\u00f3runs e chats usados por<strong> spammers<\/strong>.<\/p>\r\n<p dir=\"ltr\">Quando uma das contas honeypot recebe uma mensagem, o respons\u00e1vel pelo envio (endere\u00e7o, dom\u00ednio ou IP) \u00e9 identificado como spam e <strong>automaticamente inclu\u00eddo em blacklist.<\/strong><\/p>\r\n<p dir=\"ltr\">As listas de bloqueio podem tamb\u00e9m utilizar outras t\u00e9cnicas para identifica\u00e7\u00e3o de spammers, de acordo com os crit\u00e9rios da entidade que a mant\u00e9m.<\/p>\r\n<h2>Principais blacklists utilizadas na internet<\/h2>\r\n<ul>\r\n<li>:: SPAMCOP &#8211; <a href=\"http:\/\/www.spamcop.net\/\">http:\/\/www.spamcop.net\/<\/a><\/li>\r\n<li>:: SPAMHAUS &#8211; <a href=\"http:\/\/www.spamhaus.org\/\">http:\/\/www.spamhaus.org\/<\/a><\/li>\r\n<li>:: SORBS &#8211; <a href=\"http:\/\/www.sorbs.net\/\">http:\/\/www.sorbs.net\/<\/a><\/li>\r\n<li>:: UCEPROTECT &#8211; <a href=\"http:\/\/www.uceprotect.net\/en\/rblcheck.php\">http:\/\/www.uceprotect.net\/en\/rblcheck.php<\/a><\/li>\r\n<li>:: BARRACUDA &#8211; <a href=\"http:\/\/www.barracudacentral.org\/lookups\">http:\/\/www.barracudacentral.org\/lookups<\/a><\/li>\r\n<\/ul>\r\n<p>&nbsp;<\/p>\r\n<h2>Blacklists e envio de e-mail<\/h2>\r\n<p>Para as empresas que <a href=\"https:\/\/www.task.com.br\/hospedagem-de-sites\">hospedam servidores de e-mail<\/a>, um grande problema \u00e9 a m\u00e1 ou indevida utiliza\u00e7\u00e3o de contas de e-mail para o envio de spams.<\/p>\r\n<p>Fatores que contribuem para isso s\u00e3o:\u00a0<strong>senhas fracas<\/strong>, <strong>aus\u00eancia de antiv\u00edrus<\/strong> instalado nas m\u00e1quinas ou com o seu banco de dados desatualizado.<\/p>\r\n<p>Isso permite que endere\u00e7os sejam usados para a pr\u00e1tica de spam, al\u00e9m disso, o pr\u00f3prio envio consentido de mala-direta, feito de forma indiscriminada para endere\u00e7os que n\u00e3o solicitaram o recebimento da mesma.<\/p>\r\n<p><strong>Estat\u00edstica anual de spams da blacklist SPAMCOP<\/strong>:<\/p>\r\n<figure id=\"attachment_3777\" aria-describedby=\"caption-attachment-3777\" style=\"width: 1042px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.task.com.br\/blog\/wp-content\/uploads\/estatistica-spamcop.png\" alt=\"Estat\u00edtica blacklist\" width=\"1042\" height=\"634\" \/><figcaption id=\"caption-attachment-3777\" class=\"wp-caption-text\">Note um aumento significativo nos meses de outubro e novembro de 2020.<\/figcaption><\/figure>\r\n<p>A partir do momento que um servidor, endere\u00e7o ou dom\u00ednio est\u00e1 listado em alguma <strong>blacklist,<\/strong> o envio de mensagens para outros servidores que consultam a referida <strong>lista negra \u00e9 bloqueado<\/strong>.<\/p>\r\n<p>O remetente recebe automaticamente um e-mail informando sobre o bloqueio e, na maioria dos casos, com informa\u00e7\u00f5es para a solu\u00e7\u00e3o do problema.<\/p>\r\n<p><strong>Spam atrapalha sua vida? Mude agora mesmo para a <a title=\"Task Internet\" href=\"https:\/\/www.task.com.br\">Task<\/a>!<\/strong><\/p>\r\n<p><span class=\"wpex-responsive-media\"><iframe loading=\"lazy\" title=\"V\u00eddeo: Antispam Task\" width=\"980\" height=\"735\" src=\"https:\/\/www.youtube.com\/embed\/iwMZk4sOQuE?feature=oembed\"  allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" allowfullscreen><\/iframe><\/span><\/p>\r\n<p>Ent\u00e3o, o que achou deste artigo? Faltou alguma informa\u00e7\u00e3o importante? Tem alguma d\u00favida? Ent\u00e3o, aproveite para deixar seus coment\u00e1rios abaixo e ajude a Task a melhorar ainda mais os servi\u00e7os e informa\u00e7\u00f5es.<\/p>\r\n","protected":false},"excerpt":{"rendered":"<p>Blacklists s\u00e3o listas de endere\u00e7os IP, dom\u00ednios ou endere\u00e7os eletr\u00f4nicos que possuem hist\u00f3rico como fonte de spams. Essas listas s\u00e3o criadas a partir de t\u00e9cnicas para identifica\u00e7\u00e3o deste tipo de atividade, por exemplo, a dissemina\u00e7\u00e3o de endere\u00e7os de e-mail falsos (honeypot). Esses endere\u00e7os s\u00e3o usados apenas para o recebimento de spams e s\u00e3o divulgados estrategicamente&hellip;<\/p>\n","protected":false},"author":1,"featured_media":3767,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"post_series":[],"class_list":["post-428","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tutoriais","entry","has-media"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>O que s\u00e3o blacklists ou listas negras?<\/title>\n<meta name=\"description\" content=\"Blacklists s\u00e3o listas de endere\u00e7os IP, dom\u00ednios ou endere\u00e7os eletr\u00f4nicos que possuem hist\u00f3rico como fonte de spams. Conhe\u00e7am algumas das mais utilizadas.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.task.com.br\/blog\/o-que-sao-blacklists-ou-listas-negras\/\" \/>\n<meta property=\"og:locale\" content=\"pt_BR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"O que s\u00e3o blacklists ou listas negras?\" \/>\n<meta property=\"og:description\" content=\"Blacklists s\u00e3o listas de endere\u00e7os IP, dom\u00ednios ou endere\u00e7os eletr\u00f4nicos que possuem hist\u00f3rico como fonte de spams. 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