{"id":77033,"date":"2023-12-15T20:16:06","date_gmt":"2023-12-15T20:16:06","guid":{"rendered":"https:\/\/mailrelay.com\/glossary\/lista-cinza\/"},"modified":"2026-10-15T12:56:42","modified_gmt":"2026-10-15T12:56:42","slug":"lista-cinza","status":"publish","type":"glossary","link":"https:\/\/mailrelay.com\/pt\/glossario\/lista-cinza\/","title":{"rendered":"Lista cinza"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\"><strong>Uma lista cinza \u00e9 um termo utilizado na gest\u00e3o de emails<\/strong>, referente aos remetentes que n\u00e3o est\u00e3o nem completamente bloqueados <strong>(lista negra)<\/strong> nem totalmente permitidos <a href=\"https:\/\/mailrelay.com\/pt\/glossario\/lista-branca\/\" target=\"_blank\" rel=\"noreferrer noopener\">(lista branca)<\/a>. <\/p>\n\n<p class=\"wp-block-paragraph\">Essa t\u00e9cnica ajuda a combater o <a href=\"https:\/\/mailrelay.com\/pt\/glossario\/spam\/\" target=\"_blank\" rel=\"noreferrer noopener\">spam<\/a>, <strong>atrasando temporariamente<\/strong> emails de remetentes desconhecidos.<\/p>\n\n<h2 class=\"wp-block-heading\">Por que a lista cinza \u00e9 importante no marketing por email?<\/h2>\n\n<p class=\"wp-block-paragraph\">Esses tipos de listas t\u00eam v\u00e1rios usos pr\u00e1ticos. <\/p>\n\n<h3 class=\"wp-block-heading\">Por exemplo, o controle de spam e a qualidade da comunica\u00e7\u00e3o<\/h3>\n\n<p class=\"wp-block-paragraph\">Nesse sentido, o uso de listas cinza no <a href=\"https:\/\/mailrelay.com\/pt\/\" target=\"_blank\" rel=\"noreferrer noopener\">email marketing<\/a> \u00e9 fundamental para manter a qualidade da comunica\u00e7\u00e3o. <\/p>\n\n<p class=\"wp-block-paragraph\"><strong>Ajudando a filtrar emails indesejados<\/strong>, garantindo que as mensagens relevantes cheguem ao seu destino.<\/p>\n\n<h3 class=\"wp-block-heading\">Rela\u00e7\u00e3o com campanhas de email marketing<\/h3>\n\n<p class=\"wp-block-paragraph\">\u00c9 nesta \u00e1rea que \u00e9 preciso ter mais cuidado, pois, embora as listas cinza n\u00e3o sejam listas de spam, elas tamb\u00e9m podem afetar os seus envios.<\/p>\n\n<p class=\"wp-block-paragraph\">Se os emails n\u00e3o forem entregues, ou demorarem a ser entregues, isso pode impactar negativamente as suas campanhas. Principalmente se a imediatez for necess\u00e1ria para o envio que voc\u00ea est\u00e1 realizando.<\/p>\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"683\" src=\"https:\/\/mailrelay.com\/wp-content\/uploads\/2026\/10\/lista-gris-como-funciona-el-greylisting-1024x683.png\" alt=\"Lista cinza: o servidor responde com um erro tempor&#xE1;rio na primeira tentativa e aceita o email na segunda tentativa\" class=\"wp-image-105295\" srcset=\"https:\/\/mailrelay.com\/wp-content\/uploads\/2026\/10\/lista-gris-como-funciona-el-greylisting-1024x683.png 1024w, https:\/\/mailrelay.com\/wp-content\/uploads\/2026\/10\/lista-gris-como-funciona-el-greylisting-300x200.png 300w, https:\/\/mailrelay.com\/wp-content\/uploads\/2026\/10\/lista-gris-como-funciona-el-greylisting-768x512.png 768w, https:\/\/mailrelay.com\/wp-content\/uploads\/2026\/10\/lista-gris-como-funciona-el-greylisting-110x73.png 110w, https:\/\/mailrelay.com\/wp-content\/uploads\/2026\/10\/lista-gris-como-funciona-el-greylisting-60x40.png 60w, https:\/\/mailrelay.com\/wp-content\/uploads\/2026\/10\/lista-gris-como-funciona-el-greylisting.png 1536w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n<div class=\"wp-block-group has-very-light-gray-background-color has-background\" style=\"border-radius:8px;padding-top:24px;padding-right:28px;padding-bottom:24px;padding-left:28px\"><div class=\"wp-block-group__inner-container is-layout-flow wp-block-group-is-layout-flow\">\n<p class=\"wp-block-paragraph\"><strong>Seus emails entregues de primeira<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Envie as suas campanhas a partir de uma plataforma que cuida da entregabilidade de cada email.<\/p>\n\n\n\n<div class=\"wp-block-buttons is-layout-flex wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button is-style-mailrelay-primary-button\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/mailrelay.com\/pt\/criar-conta\/?utm_medium=cta&amp;utm_campaign=lista-gris\">Criar conta gr\u00e1tis<\/a><\/div>\n<\/div>\n<\/div><\/div>\n\n<h2 class=\"wp-block-heading\">Como funciona o greylisting<\/h2>\n\n<p class=\"wp-block-paragraph\">O \u201cgreylisting\u201d (lista cinza) \u00e9 uma t\u00e9cnica eficaz utilizada para combater os emails indesejados (spam) em sistemas de email. <\/p>\n\n<p class=\"wp-block-paragraph\">Seu funcionamento se baseia no princ\u00edpio do <strong>atraso tempor\u00e1rio de emails de remetentes desconhecidos<\/strong>. <\/p>\n\n<p class=\"wp-block-paragraph\">Vamos ver passo a passo:<\/p>\n\n<h3 class=\"wp-block-heading\">Primeiro contato de um remetente desconhecido<\/h3>\n\n<p class=\"wp-block-paragraph\">Quando um servidor de email recebe um email <strong>de um remetente pela primeira vez<\/strong> (ou seja, uma combina\u00e7\u00e3o desconhecida de endere\u00e7o IP do servidor de envio, endere\u00e7o do remetente e endere\u00e7o do <a href=\"https:\/\/mailrelay.com\/pt\/glossario\/destinatario\/\" target=\"_blank\" rel=\"noreferrer noopener\">destinat\u00e1rio<\/a>). <\/p>\n\n<p class=\"wp-block-paragraph\">Nesses casos, o servidor de email que aplica greylisting <strong>rejeitar\u00e1 temporariamente<\/strong> este email. <\/p>\n\n<p class=\"wp-block-paragraph\"><strong>Esta rejei\u00e7\u00e3o n\u00e3o \u00e9 definitiva. <\/strong><\/p>\n\n<p class=\"wp-block-paragraph\">Na verdade, \u00e9 mais um pedido de \u201ctente mais tarde\u201d.<\/p>\n\n<h3 class=\"wp-block-heading\">Resposta do servidor do remetente<\/h3>\n\n<p class=\"wp-block-paragraph\">Os servidores de email leg\u00edtimos, ao receberem esta resposta de rejei\u00e7\u00e3o tempor\u00e1ria,<strong> programar\u00e3o automaticamente uma nova tentativa de envio do email ap\u00f3s um curto per\u00edodo de tempo<\/strong>. <\/p>\n\n<p class=\"wp-block-paragraph\">Esse per\u00edodo de atraso varia, mas geralmente pode durar de v\u00e1rios minutos a uma hora.<\/p>\n\n<h3 class=\"wp-block-heading\">Segunda tentativa de envio<\/h3>\n\n<p class=\"wp-block-paragraph\">Acontece quando o servidor de email do remetente tenta enviar o email novamente ap\u00f3s o per\u00edodo de atraso e entra em contato com o mesmo servidor de email. <\/p>\n\n<p class=\"wp-block-paragraph\">Este \u00faltimo reconhece que o email \u00e9 provavelmente leg\u00edtimo e permite a sua entrega ao destinat\u00e1rio.<\/p>\n\n<h3 class=\"wp-block-heading\">Registro na lista cinza<\/h3>\n\n<p class=\"wp-block-paragraph\">Depois que um email de um remetente for aceito ap\u00f3s o atraso, as mensagens futuras enviadas atrav\u00e9s dessa combina\u00e7\u00e3o de IP do servidor, endere\u00e7o do remetente e endere\u00e7o do destinat\u00e1rio n\u00e3o ser\u00e3o mais atrasadas. <\/p>\n\n<p class=\"wp-block-paragraph\">Essa combina\u00e7\u00e3o \u00e9 adicionada a uma esp\u00e9cie de <strong>\u201clista branca tempor\u00e1ria\u201d<\/strong> para evitar atrasos futuros.<\/p>\n\n<h3 class=\"wp-block-heading\">Tratamento do spam<\/h3>\n\n<p class=\"wp-block-paragraph\">Muitos spammers n\u00e3o utilizam servidores de email sofisticados e n\u00e3o tentam reenviar os emails ap\u00f3s uma rejei\u00e7\u00e3o tempor\u00e1ria. <\/p>\n\n<p class=\"wp-block-paragraph\">Portanto, o greylisting pode ser muito eficaz para reduzir o volume de spam, j\u00e1 que muitos emails indesejados simplesmente n\u00e3o s\u00e3o enviados novamente.<\/p>\n\n<h2 class=\"wp-block-heading\">Conclus\u00e3o<\/h2>\n\n<p class=\"wp-block-paragraph\">Estar atento ao que acontece com as campanhas que enviamos \u00e9 fundamental.<\/p>\n\n<p class=\"wp-block-paragraph\">Se percebermos que a entrega de muitas mensagens est\u00e1 atrasada, \u00e9 poss\u00edvel que uma lista cinza esteja nos afetando. <\/p>\n\n<p class=\"wp-block-paragraph\">Nesses casos, \u00e9 necess\u00e1ria uma revis\u00e3o imediata para evitar que sejamos inclu\u00eddos posteriormente em uma lista negra por envio de spam.<\/p>\n\n<div class=\"wp-block-group has-very-light-gray-background-color has-background\" style=\"border-radius:8px;padding-top:24px;padding-right:28px;padding-bottom:24px;padding-left:28px\"><div class=\"wp-block-group__inner-container is-layout-flow wp-block-group-is-layout-flow\">\n<p class=\"wp-block-paragraph\"><strong>Chegue \u00e0 caixa de entrada, n\u00e3o \u00e0 lista cinza<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Autentique o seu dom\u00ednio e envie at\u00e9 80.000 emails por m\u00eas gr\u00e1tis.<\/p>\n\n\n\n<div class=\"wp-block-buttons is-layout-flex wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button is-style-mailrelay-primary-button\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/mailrelay.com\/pt\/criar-conta\/?utm_medium=cta&amp;utm_campaign=lista-gris\">Come\u00e7ar gr\u00e1tis<\/a><\/div>\n<\/div>\n<\/div><\/div>\n\n<h2 class=\"wp-block-heading\">Artigos relacionados<\/h2>\n\n<ul 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Essa t\u00e9cnica ajuda a combater o spam, atrasando temporariamente emails de remetentes desconhecidos. Por que a lista cinza \u00e9 importante no marketing por email? Esses tipos de listas&hellip;","_links":{"self":[{"href":"https:\/\/mailrelay.com\/pt\/wp-json\/wp\/v2\/glossary\/77033","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/mailrelay.com\/pt\/wp-json\/wp\/v2\/glossary"}],"about":[{"href":"https:\/\/mailrelay.com\/pt\/wp-json\/wp\/v2\/types\/glossary"}],"version-history":[{"count":7,"href":"https:\/\/mailrelay.com\/pt\/wp-json\/wp\/v2\/glossary\/77033\/revisions"}],"predecessor-version":[{"id":105564,"href":"https:\/\/mailrelay.com\/pt\/wp-json\/wp\/v2\/glossary\/77033\/revisions\/105564"}],"wp:attachment":[{"href":"https:\/\/mailrelay.com\/pt\/wp-json\/wp\/v2\/media?parent=77033"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}