{"id":1395,"date":"2013-02-22T12:33:33","date_gmt":"2013-02-22T12:33:33","guid":{"rendered":"http:\/\/alcantara.pro.br\/portal\/2013\/02\/22\/dicas-anti-spam-2\/"},"modified":"2013-02-22T12:33:33","modified_gmt":"2013-02-22T12:33:33","slug":"dicas-anti-spam-2","status":"publish","type":"post","link":"https:\/\/alcantara.pro.br\/portal\/2013\/02\/22\/dicas-anti-spam-2\/","title":{"rendered":"Dicas Anti SPAM"},"content":{"rendered":"<table border=\"0\" cellpadding=\"0\" cellspacing=\"0\" width=\"100%\">\n<tbody>\n<tr>\n<td valign=\"top\" width=\"66%\"> \t\t\t\t&nbsp;<\/td>\n<td valign=\"top\" width=\"34%\">\n<p align=\"right\"> \t\t\t\t\t<a href=\"http:\/\/www.antispam.br\/\" target=\"_blank\" rel=\"noopener\"><img decoding=\"async\" alt=\"antispam.br\" border=\"0\" src=\"http:\/\/www.antispam.br\/campanha\/antispam-half-banner-partic.gif\" \/><\/a><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td colspan=\"2\" width=\"100%\">\n<hr color=\"#000080\" noshade=\"noshade\" \/> \t\t\t<\/td>\n<\/tr>\n<tr>\n<td colspan=\"2\" width=\"100%\">\n<p class=\"MsoNormal\" style=\"mso-layout-grid-align: none\"> \t\t\t\t\t<span style=\"font-size:14px;\"><font color=\"#0000FF\" face=\"Arial\"><strong>O que &eacute; SPAM <\/strong><\/font><\/span><\/p>\n<p class=\"MsoNormal\" style=\"mso-layout-grid-align: none\"> \t\t\t\t\t<span style=\"font-size:14px;\"><font face=\"Arial\">A defini&ccedil;&atilde;o de spam do ponto de vista pr&aacute;tico &eacute; o envio abusivo de correio eletr&ocirc;nico n&atilde;o solicitado em grande quantidade distribuindo propaganda, correntes e esquemas de &quot;ganhe dinheiro f&aacute;cil&quot;. &Eacute; o envio de correio tentando for&ccedil;ar a leitura pela pessoa que recebe que outroura sequer optou por este recebimento. Um desperd&iacute;cio de recursos da rede pago por quem recebe. Observando de modo restrito, que mal faz enviar algumas centenas de correios em mala-direta para outrem? De modo mais amplo, quanto n&atilde;o se gasta levando em considera&ccedil;&atilde;o o absurdo volume anual de correio eletr&ocirc;nico enviado? <\/font><\/span><\/p>\n<p class=\"MsoNormal\" style=\"mso-layout-grid-align: none\"> \t\t\t\t\t&nbsp;<\/p>\n<p class=\"MsoBodyText2\"> \t\t\t\t\t<span style=\"font-size:14px;\"><font color=\"#0000FF\" face=\"Arial\"><strong>Mas no dia-a-dia &#8230;<\/strong><\/font><\/span><\/p>\n<p class=\"MsoBodyText2\"> \t\t\t\t\t<span style=\"font-size:14px;\"><font face=\"Arial\">&Eacute; muito comum as pessoas enviarem mensagens contendo todos os endere&ccedil;os dos destinat&aacute;rios e tamb&eacute;m encaminhar mensagens sem apagar os outros endere&ccedil;os das mensagens originais. Abaixo, a explica&ccedil;&atilde;o de como isso &eacute; utilizado pelas empresas e como serve para passar v&iacute;rus. Este alerta &eacute; importante para que nossos endere&ccedil;os n&atilde;o sejam reenviados a todo mundo. <\/font><\/span><\/p>\n<p class=\"MsoBodyText2\"> \t\t\t\t\t&nbsp;<\/p>\n<p class=\"MsoNormal\" style=\"mso-layout-grid-align: none\"> \t\t\t\t\t<span style=\"font-size:14px;\"><font color=\"#0000FF\" face=\"Arial\"><strong>Como se prevenir<\/strong><\/font><\/span><\/p>\n<p class=\"MsoNormal\" style=\"TEXT-ALIGN: justify; mso-layout-grid-align: none\"> \t\t\t\t\t<span style=\"font-size:14px;\"><font face=\"Arial\">Mensagem de alertando sobre v&iacute;rus e de crimes, roubo de &oacute;rg&atilde;os, assalto, doen&ccedil;a da Patr&iacute;cia Pillar, atentado terrorista etc. n&atilde;o &eacute; verdadeira. Isso &eacute; um esquema usado pra propagar o que se chama de SPAM. As correntes de amizade tamb&eacute;m ajudam a criar SPAM.&nbsp; S&atilde;o as chamadas lendas e pulhas virtuais.<\/font><\/span><\/p>\n<p class=\"MsoNormal\" style=\"TEXT-ALIGN: justify; mso-layout-grid-align: none\"> \t\t\t\t\t&nbsp;<\/p>\n<p class=\"MsoNormal\" style=\"mso-layout-grid-align: none\"> \t\t\t\t\t<span style=\"font-size:14px;\"><font face=\"Arial\">Quando voc&ecirc;s repassam piadas sem apagar os nomes e endere&ccedil;os anteriores tamb&eacute;m ajudam a espalhar endere&ccedil;os que podem ser indevidamente utilizados. Existem firmas que criam este tipo de email e mandam pra algumas pessoas. <\/font><\/span><\/p>\n<p class=\"MsoNormal\" style=\"mso-layout-grid-align: none\"> \t\t\t\t\t&nbsp;<\/p>\n<p class=\"MsoNormal\" style=\"mso-layout-grid-align: none\"> \t\t\t\t\t<span style=\"font-size:14px;\"><font face=\"Arial\">Essas pessoas espalham o mesmo email pra mais um monte de gente e assim por diante. A empresa original que criou o email usa um tipo de software especial conhecido como &quot;spider&quot; que corre pela internet procurando por certas palavras chaves. No caso deste email pode ser qualquer combina&ccedil;&atilde;o de palavras dentro do corpo dele ou mesmo escondida no header (cabe&ccedil;alho) da mensagem. <\/font><\/span><\/p>\n<p class=\"MsoNormal\" style=\"mso-layout-grid-align: none\"> \t\t\t\t\t&nbsp;<\/p>\n<p class=\"MsoNormal\" style=\"mso-layout-grid-align: none\"> \t\t\t\t\t<span style=\"font-size:14px;\"><font face=\"Arial\">Uma vez que as &quot;spiders&quot; encontram a mensagem original (que j&aacute;<\/font><font color=\"#000000\" face=\"Arial\">foi enviada pra um monte gente) o software copia os endere&ccedil;os de todo mundo que ficam gravados no &quot;header&quot; da mensagem e manda a lista de volta pra firma que criou o email. <\/font><\/span><\/p>\n<p class=\"MsoNormal\" style=\"mso-layout-grid-align: none\"> \t\t\t\t\t&nbsp;<\/p>\n<p class=\"MsoNormal\" style=\"TEXT-ALIGN: justify; mso-layout-grid-align: none\"> \t\t\t\t\t<span style=\"font-size:14px;\"><font face=\"Arial\">Por que eles fazem isso? Porque as listam de endere&ccedil;o s&atilde;o vendidas a um pre&ccedil;o alto. Existem outros programas l&aacute; fora que criam listas de endere&ccedil;o,e que tamb&eacute;m s&atilde;o vendidas, mas por um pre&ccedil;o bem mais baixo, porque v&atilde;o trazer um monte de endere&ccedil;os que n&atilde;o existem, mas as listas criadas pelas &quot;spiders&quot; s&atilde;o todas de endere&ccedil;os validos, que VOC&Ecirc;S TODOS convenientemente providenciaram pro software pegar. <\/font><\/span><\/p>\n<p class=\"MsoNormal\" style=\"TEXT-ALIGN: justify; mso-layout-grid-align: none\"> \t\t\t\t\t&nbsp;<\/p>\n<p class=\"MsoNormal\" style=\"TEXT-ALIGN: justify; mso-layout-grid-align: none\"> \t\t\t\t\t<span style=\"font-size:14px;\"><font face=\"Arial\">Lembrem-se disso quando receberem um email que diga pra voc&ecirc; &quot;urgente enviar uma c&oacute;pia pra todo mundo que voc&ecirc; conhece&quot;. Ou ent&atilde;o : &quot;repasse esta mensagem para 10 pessoas&#8230;&quot; <\/font><\/span><\/p>\n<p class=\"MsoNormal\" style=\"TEXT-ALIGN: justify; mso-layout-grid-align: none\"> \t\t\t\t\t&nbsp;<\/p>\n<p class=\"MsoNormal\" style=\"TEXT-ALIGN: justify; mso-layout-grid-align: none\"> \t\t\t\t\t<span style=\"font-size:14px;\"><font face=\"Arial\">A mesma coisa acontece quando voc&ecirc;s repassam mensagens de amizade ou religiosas. A cada vez que um repassa e deixa os endere&ccedil;os anteriores e acrescenta os novos, aumenta a lista que ser&aacute; vendida. <\/font><\/span><\/p>\n<p class=\"MsoNormal\" style=\"TEXT-ALIGN: justify; mso-layout-grid-align: none\"> \t\t\t\t\t<span style=\"font-size:14px;\"><font face=\"Arial\">N&atilde;o h&aacute; nenhum problema em passar mensagens para v&aacute;rias pessoas se voc&ecirc;s apagarem os endere&ccedil;os anteriores do corpo do texto e se usarem o recurso &quot;Cco&quot; que n&atilde;o mostra os endere&ccedil;os dos destinat&aacute;rios. <\/font><\/span><\/p>\n<p class=\"MsoNormal\" style=\"TEXT-ALIGN: justify; mso-layout-grid-align: none\"> \t\t\t\t\t<span style=\"font-size:14px;\"><font face=\"Arial\">Imagine s&oacute; quantos endere&ccedil;os validos voc&ecirc;s criaram pra ser vendidos. E o pior e&#39; que seu endere&ccedil;o agora vai parar na m&atilde;o de outras firmas que far&atilde;o a mesma coisa. <\/font><\/span><\/p>\n<p class=\"MsoNormal\" style=\"TEXT-ALIGN: justify; mso-layout-grid-align: none\"> \t\t\t\t\t&nbsp;<\/p>\n<p class=\"MsoNormal\" style=\"TEXT-ALIGN: justify; mso-layout-grid-align: none\"> \t\t\t\t\t<span style=\"font-size:14px;\"><font face=\"Arial\">O resultado? Todos n&oacute;s receberemos Junk Mail&#8230;<\/font><\/span><\/p>\n<p class=\"MsoNormal\" style=\"TEXT-ALIGN: justify; mso-layout-grid-align: none\"> \t\t\t\t\t&nbsp;<\/p>\n<p class=\"MsoNormal\" style=\"TEXT-ALIGN: justify; mso-layout-grid-align: none\"> \t\t\t\t\t<span style=\"font-size:14px;\"><font face=\"Arial\">Coloquem um fim no Spam&#8230; <\/font><\/span><\/p>\n<p class=\"MsoNormal\" style=\"TEXT-ALIGN: justify; mso-layout-grid-align: none\"> \t\t\t\t\t&nbsp;<\/p>\n<p class=\"MsoNormal\" style=\"TEXT-ALIGN: justify; mso-layout-grid-align: none\"> \t\t\t\t\t<span style=\"font-size:14px;\"><font face=\"Arial\">Apaguem os endere&ccedil;os das pessoas nas mensagens que encaminham. Outra coisa importante &eacute; usar sempre o Cco (que &eacute; recebido assim pelas pessoas = To: mailto: Undisclosed-Recipient), ao inv&eacute;s de PARA, quando forem colocar os endere&ccedil;os dos destinat&aacute;rios. Isso faz com que cada pessoa que receber a sua mensagem n&atilde;o tenha acesso ao endere&ccedil;o eletr&ocirc;nico das outras e, portanto, n&atilde;o possa repass&aacute;-lo a outros. <\/font><\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td colspan=\"2\">\n<hr color=\"#000080\" noshade=\"noshade\" \/> \t\t\t<\/td>\n<\/tr>\n<tr>\n<td colspan=\"2\">\n<p class=\"MsoNormal\" style=\"TEXT-ALIGN: justify; mso-layout-grid-align: none\"> \t\t\t\t\t<span style=\"font-size:14px;\"><font color=\"#0000FF\" face=\"Arial\"><strong>Links<\/strong><\/font><\/span><\/p>\n<blockquote>\n<ul>\n<li> \t\t\t\t\t\t\t<span style=\"font-size:14px;\"><a href=\"http:\/\/www.spambr.org\/\"><font color=\"#000000\" face=\"Arial\">http:\/\/www.spambr.org\/<\/font><\/a><\/span><\/li>\n<li> \t\t\t\t\t\t\t<span style=\"font-size:14px;\"><a href=\"http:\/\/www1.folha.uol.com.br\/folha\/informatica\/ult124u9686.shl\"><font color=\"#000000\" face=\"Arial\">http:\/\/www1.folha.uol.com.br\/folha\/informatica\/ult124u9686.shl<\/font><\/a><font color=\"#000000\" face=\"Arial\"> <\/font><\/span><\/li>\n<li> \t\t\t\t\t\t\t<span style=\"font-size:14px;\"><a href=\"http:\/\/www.quatrocantos.com\/lendas\/\"><font face=\"Arial\">http:\/\/www.quatrocantos.com\/lendas<\/font><\/a><\/span><\/li>\n<\/ul>\n<\/blockquote>\n<\/td>\n<\/tr>\n<tr>\n<td colspan=\"2\">\n<hr color=\"#000080\" noshade=\"noshade\" \/> \t\t\t<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"excerpt":{"rendered":"<p>&nbsp; O que &eacute; SPAM A defini&ccedil;&atilde;o de spam do ponto de vista pr&aacute;tico &eacute;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[122],"tags":[],"class_list":["post-1395","post","type-post","status-publish","format-standard","hentry","category-c55-informatica"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - 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