{"id":96826,"date":"2018-12-17T07:59:34","date_gmt":"2018-12-17T07:59:34","guid":{"rendered":"https:\/\/mailrelay.com\/blog\/2026\/09\/30\/contas-invalidas-na-base-de-dados-de-emails-a-importancia-de-elimina-las\/"},"modified":"2026-09-30T01:10:58","modified_gmt":"2026-09-30T01:10:58","slug":"contas-invalidas-na-base-de-dados-de-emails-a-importancia-de-elimina-las","status":"publish","type":"post","link":"https:\/\/mailrelay.com\/pt\/blog\/2018\/12\/17\/contas-invalidas-na-base-de-dados-de-emails-a-importancia-de-elimina-las\/","title":{"rendered":"Contas inv\u00e1lidas na base de dados de emails, a import\u00e2ncia de elimin\u00e1-las"},"content":{"rendered":"<p>Muitos clientes se surpreendem quando t\u00eam problemas de entregabilidade em B2C, mesmo tendo sido muito cuidadosos em cumprir a legisla\u00e7\u00e3o de prote\u00e7\u00e3o de dados: coletaram seus assinantes de forma inequ\u00edvoca, eles querem receber as newsletters e os descadastros s\u00e3o processados com rapidez.<\/p>\n<p>Infelizmente, \u00e0s vezes, se esqueceram de um detalhe muito importante: <strong>eliminar da sua base de dados as contas dos ISPs que devolveram um bounce indicando que a conta n\u00e3o existe mais ou n\u00e3o est\u00e1 operacional<\/strong> <em>(normalmente por enviarem com sistemas internos artesanais que n\u00e3o gerenciam os bounces).<\/em><\/p>\n<p>Por exemplo, quando um envio devolve qualquer um destes <strong>c\u00f3digos de resposta SMTP:<\/strong><\/p>\n<ol>\n<li>5.0.0 Address does not exist &#8211; O endere\u00e7o n\u00e3o existe.<\/li>\n<li>5.1.1 Bad destination mailbox address &#8211; Endere\u00e7o da caixa de correio de destino incorreto.<\/li>\n<li>5.1.2 Bad destination system address &#8211; Endere\u00e7o do sistema de destino incorreto.<\/li>\n<li>5.1.3 Bad destination mailbox address syntax &#8211; Sintaxe do endere\u00e7o da caixa de correio de destino incorreta.<\/li>\n<li>5.1.4 Destination mailbox address ambiguous &#8211; Endere\u00e7o da caixa de correio de destino amb\u00edguo.<\/li>\n<li>5.1.6 Mailbox has moved &#8211; A caixa de correio foi movida.<\/li>\n<li>5.1.7 Bad sender\u2019s mailbox address syntax &#8211; Sintaxe do endere\u00e7o da caixa de correio do remetente incorreta.<\/li>\n<li>5.1.8 Bad sender\u2019s system address &#8211; Endere\u00e7o do sistema do remetente incorreto.<\/li>\n<li>5.2.0 Other or undefined mailbox status &#8211; Outro status de caixa de correio ou indefinido.<\/li>\n<li>5.2.1 Mailbox disabled, not accepting messages &#8211; Caixa de correio desativada, n\u00e3o aceita mensagens.<\/li>\n<\/ol>\n<p>Embora, em geral, seja preciso descartar e n\u00e3o voltar a enviar para qualquer hard bounce com um c\u00f3digo 5.x.x.<\/p>\n<p>Quando isso n\u00e3o \u00e9 feito, o problema \u00e9 o seguinte:<\/p>\n<p>\u25ba Se ultrapassarmos o n\u00famero m\u00e1ximo por hora de envios para contas que j\u00e1 foram indicadas como bounce anteriormente, o ISP de destino pode bloquear ou enfileirar as mensagens seguintes.<\/p>\n<div class=\"mr-legacy-box\">\n<div class=\"mr-legacy-box-title\">Vejamos este log de exemplo em que o Hotmail indica isso de forma inequ\u00edvoca:<\/div>\n<div class=\"mr-legacy-box-text\">queue #rcpt kbytes conn st retry last error&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;- &#8212;&#8212; &#8212;&#8212;&#8212;- &#8212;- &#8212; &#8212;&#8212;&#8211; &#8212;&#8212;&#8212;-hotmail.queue\/cliente_ip-zone_com-6 500997 15929377.0 9 Maximum of 20 recipient errors detected; disconnecting while connected from smtp.consultorpc.com (93.159.xxx.xx) to hotmail-com.olc.protection.outlook.com (104.47.5.33)<\/p>\n<\/div>\n<\/div>\n<h2>\u00b7 Solu\u00e7\u00f5es para este problema<\/h2>\n<p>Em primeiro lugar, se forem usados sistemas locais de envio, \u00e9 preciso tratar os bounces e remov\u00ea-los da base de dados aos poucos.<\/p>\n<p>\u00c0s vezes isso \u00e9 complexo, pois exige certa programa\u00e7\u00e3o ou dedicar recursos humanos, mas podemos nos ajudar com algum software existente no mercado que consiga gerenci\u00e1-los por POP3.<\/p>\n<p>No entanto, o melhor \u00e9 fazer os envios com uma <a href=\"https:\/\/mailrelay.com\/pt\/\" target=\"_blank\" rel=\"noopener\">plataforma de email em massa como o Mailrelay<\/a> que nos ofere\u00e7a esse recurso j\u00e1 inclu\u00eddo.<\/p>\n<p>Para as bases de dados que j\u00e1 temos \u201c<em>sujas<\/em>\u201d por falta de manuten\u00e7\u00e3o, <strong>pode parecer f\u00e1cil de resolver<\/strong>, j\u00e1 que bastaria atender, a partir de agora, \u00e0 indica\u00e7\u00e3o das contas inv\u00e1lidas, <strong>mas n\u00e3o \u00e9<\/strong>.<\/p>\n<p>\u00c9 verdade que, quando forem detectadas novas contas incorretas ou que n\u00e3o est\u00e3o mais operacionais, o Mailrelay j\u00e1 as marcar\u00e1 como bounce, mas entre as antigas algumas continuar\u00e3o dando bounce e outras n\u00e3o.<\/p>\n<p>A raz\u00e3o \u00e9 que os ISPs transformam algumas em <a href=\"https:\/\/mailrelay.com\/pt\/blog\/2015\/07\/09\/o-que-sao-spamtraps\/\" target=\"_blank\" rel=\"noopener\"><strong>spamtraps<\/strong><\/a> ou, como poder\u00edamos cham\u00e1-las melhor, <strong>bouncetraps<\/strong>, que eles voltam a deixar operacionais, sem dar bounce, v\u00e1rios meses depois, justamente para detectar quais remetentes cumprem a exig\u00eancia de limpar os bounces e as contas inv\u00e1lidas e quais n\u00e3o.<\/p>\n<p><iframe loading=\"lazy\" src=\"https:\/\/www.youtube.com\/embed\/tRrAd2OD54I\" width=\"560\" height=\"315\" frameborder=\"0\" allowfullscreen=\"allowfullscreen\"><\/iframe><\/p>\n<p>Posts relacionados:<\/p>\n<ul>\n<li><a href=\"https:\/\/mailrelay.com\/pt\/blog\/2014\/10\/23\/a-importancia-de-utilizar-certificados-ssl-em-emailmarketing\/\">Certificado SSL no Email Marketing: vale a pena?<\/a><\/li>\n<li><a href=\"https:\/\/mailrelay.com\/pt\/blog\/2022\/09\/06\/copywriting-e-email-marketing\/\">Email Marketing e Copywriting: a uni\u00e3o perfeita?<\/a><\/li>\n<li><a href=\"https:\/\/mailrelay.com\/pt\/blog\/2013\/02\/22\/como-adicionar-anexos-na-mala-direta-de-forma-correta-e-sem-aumentar-o-tamanho-da-mensagem\/\">Enviar anexos por email com seguran\u00e7a e sem aumentar o tamanho<\/a><\/li>\n<li><a href=\"https:\/\/mailrelay.com\/pt\/blog\/2021\/09\/21\/o-que-e-uma-analise-swot\/\">O que \u00e9 uma an\u00e1lise SWOT?<\/a><\/li>\n<li><a href=\"https:\/\/mailrelay.com\/pt\/blog\/2020\/09\/17\/5-maneiras-de-reaproveitar-o-conteudo-para-seus-esforcos-de-email-marketing\/\">5 formas de reutilizar conte\u00fado nos seus emails<\/a><\/li>\n<\/ul>\n<p><strong>Para limpar essas<\/strong>, a \u00fanica solu\u00e7\u00e3o \u00e9 descartar as bases de dados que temos sem manuten\u00e7\u00e3o ou, pelo menos, enviar para emails que tenham tido alguma atividade nos \u00faltimos 3 meses.<\/p>\n<p>Para terminar, vale comentar que a limpeza de contas inv\u00e1lidas e bounces costuma ser deixada de lado porque normalmente os ISPs n\u00e3o s\u00e3o muito rigorosos <em>(sobretudo com os remetentes corretos que n\u00e3o fazem spam)<\/em>, mas em <strong>certas \u00e9pocas do ano<\/strong> <em>(por exemplo agora, no final e no in\u00edcio do ano)<\/em> costumam endurecer suas regras e<strong> come\u00e7ar a <a href=\"https:\/\/mailrelay.com\/pt\/blog\/2015\/02\/04\/porque-alguns-emails-ficam-em-fila-de-envio\/\" target=\"_blank\" rel=\"noopener\">enfileirar por esse motivo<\/a>.<\/strong><\/p>\n<p>Isso tamb\u00e9m acontece quando eles t\u00eam problemas de carga de trabalho excessiva nos seus servidores.<\/p>\n<p>Eliminar essas contas inv\u00e1lidas \u00e9 uma parte essencial da <a href=\"https:\/\/mailrelay.com\/pt\/glossario\/higiene-da-lista-de-email\/\">higiene da lista de email<\/a>, e mover esses contatos para a sua <a href=\"https:\/\/mailrelay.com\/pt\/glossario\/lista-de-supressao\/\">lista de supress\u00e3o<\/a> evita que voc\u00ea volte a contat\u00e1-los por engano.<\/p>\n<p><a href=\"https:\/\/www.linkedin.com\/in\/noesoriano\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-14165 size-full\" title=\"No\u00e9 Soriano\" src=\"https:\/\/mailrelay.com\/wp-content\/uploads\/2017\/01\/noe-soriano.jpg\" alt=\"No\u00e9 Soriano\" width=\"630\" height=\"250\" srcset=\"https:\/\/mailrelay.com\/wp-content\/uploads\/2017\/01\/noe-soriano.jpg 630w, https:\/\/mailrelay.com\/wp-content\/uploads\/2017\/01\/noe-soriano-300x119.jpg 300w, https:\/\/mailrelay.com\/wp-content\/uploads\/2017\/01\/noe-soriano-110x44.jpg 110w\" sizes=\"auto, (max-width: 630px) 100vw, 630px\" \/><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Muitos clientes se surpreendem quando t\u00eam problemas de entregabilidade em B2C, mesmo tendo sido muito cuidadosos em cumprir a legisla\u00e7\u00e3o de prote\u00e7\u00e3o de dados: coletaram seus assinantes de forma inequ\u00edvoca, eles querem receber as newsletters e os descadastros s\u00e3o processados com rapidez. Infelizmente, \u00e0s vezes, se esqueceram de um detalhe muito importante: eliminar da sua [&hellip;]<\/p>\n","protected":false},"author":7,"featured_media":39577,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_uag_custom_page_level_css":"","footnotes":""},"categories":[561,878],"tags":[],"class_list":["post-96826","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-email-marketing-pt","category-listas-assinantes-e-aquisicao"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>\u25b6\ufe0e Elimine contas inv\u00e1lidas da sua base de dados de emails<\/title>\n<meta name=\"description\" content=\"\u25b6\ufe0e Descubra a import\u00e2ncia de eliminar e revisar contas inv\u00e1lidas da sua base de dados \u2705 Garanta assinantes satisfeitos com o Mailrelay!\" \/>\n<meta name=\"robots\" content=\"index, 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