{"id":112663,"date":"2026-11-03T17:05:09","date_gmt":"2026-11-03T17:05:09","guid":{"rendered":"https:\/\/mailrelay.com\/glossary\/thunderbird\/"},"modified":"2026-11-03T17:05:20","modified_gmt":"2026-11-03T17:05:20","slug":"thunderbird","status":"publish","type":"glossary","link":"https:\/\/mailrelay.com\/pt\/glossario\/thunderbird\/","title":{"rendered":"Thunderbird"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Thunderbird \u00e9 um programa de email gratuito e de c\u00f3digo aberto, criado pela Mozilla, que re\u00fane em um s\u00f3 aplicativo suas contas de email, sua agenda e seus contatos.<\/p>\n\n<p class=\"wp-block-paragraph\">Veja o que ele oferece, como configurar suas contas, quais vers\u00f5es existem e os problemas mais comuns.<\/p>\n\n<h2 class=\"wp-block-heading\">O que \u00e9 o Thunderbird?<\/h2>\n\n<p class=\"wp-block-paragraph\">\u00c9 um <a href=\"https:\/\/mailrelay.com\/pt\/blog\/2026\/04\/07\/programas-de-email\/\" target=\"_blank\" rel=\"noopener\">programa de email<\/a> que voc\u00ea instala no computador para ler e enviar emails de qualquer provedor, sem depender do navegador. A primeira vers\u00e3o saiu em 2003, e ele \u00e9 o &#8220;irm\u00e3o&#8221; de email do navegador Firefox.<\/p>\n\n<p class=\"wp-block-paragraph\">Hoje ele \u00e9 desenvolvido pela MZLA Technologies, uma subsidi\u00e1ria da Funda\u00e7\u00e3o Mozilla, e \u00e9 financiado principalmente por doa\u00e7\u00f5es. N\u00e3o exibe an\u00fancios nem vende seus dados.<\/p>\n\n<p class=\"wp-block-paragraph\">Funciona no Windows, macOS e Linux. Desde 2024 tamb\u00e9m tem app para Android, baseado no K-9 Mail, e o para iPhone est\u00e1 em testes.<\/p>\n\n<h2 class=\"wp-block-heading\">Para que serve o Thunderbird?<\/h2>\n\n<p class=\"wp-block-paragraph\">Para ter tudo em um s\u00f3 lugar:<\/p>\n\n<ul class=\"wp-block-list\">\n<li><strong>V\u00e1rias contas de email<\/strong> ao mesmo tempo: <a href=\"https:\/\/mailrelay.com\/pt\/glossario\/gmail-email\/\" target=\"_blank\" rel=\"noopener\">Gmail<\/a>, <a href=\"https:\/\/mailrelay.com\/pt\/glossario\/outlook\/\" target=\"_blank\" rel=\"noopener\">Outlook<\/a>, <a href=\"https:\/\/mailrelay.com\/pt\/glossario\/icloud-mail\/\" target=\"_blank\" rel=\"noopener\">iCloud Mail<\/a>, o email da sua empresa ou o da sua operadora.<\/li>\n\n\n\n<li><strong>Agenda e contatos<\/strong> sincronizados com essas contas.<\/li>\n\n\n\n<li><strong>Filtros e etiquetas<\/strong> para organizar a <a href=\"https:\/\/mailrelay.com\/pt\/glossario\/caixa-de-entrada-inbox\/\" target=\"_blank\" rel=\"noopener\">caixa de entrada<\/a>, e um filtro de <a href=\"https:\/\/mailrelay.com\/pt\/glossario\/spam\/\" target=\"_blank\" rel=\"noopener\">spam<\/a> que aprende com o que voc\u00ea marca.<\/li>\n\n\n\n<li><strong>Criptografia OpenPGP<\/strong> integrada para assinar e criptografar suas mensagens.<\/li>\n\n\n\n<li><strong>Leitor de not\u00edcias RSS<\/strong> e complementos para adicionar fun\u00e7\u00f5es.<\/li>\n<\/ul>\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/mailrelay.com\/wp-content\/uploads\/2026\/11\/thunderbird-que-reune-1024x576.png\" alt=\"O que o Thunderbird re\u00fane em um s\u00f3 programa: v\u00e1rias contas de email, agenda, contatos, filtros e etiquetas, criptografia OpenPGP e leitor RSS\" class=\"wp-image-112617\" srcset=\"https:\/\/mailrelay.com\/wp-content\/uploads\/2026\/11\/thunderbird-que-reune-1024x576.png 1024w, https:\/\/mailrelay.com\/wp-content\/uploads\/2026\/11\/thunderbird-que-reune-300x169.png 300w, https:\/\/mailrelay.com\/wp-content\/uploads\/2026\/11\/thunderbird-que-reune-768x432.png 768w, https:\/\/mailrelay.com\/wp-content\/uploads\/2026\/11\/thunderbird-que-reune-1536x864.png 1536w, https:\/\/mailrelay.com\/wp-content\/uploads\/2026\/11\/thunderbird-que-reune-110x62.png 110w, https:\/\/mailrelay.com\/wp-content\/uploads\/2026\/11\/thunderbird-que-reune-60x34.png 60w, https:\/\/mailrelay.com\/wp-content\/uploads\/2026\/11\/thunderbird-que-reune.png 1672w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n<p class=\"wp-block-paragraph\">Se voc\u00ea usa v\u00e1rios endere\u00e7os, \u00e9 mais pr\u00e1tico do que abrir um <a href=\"https:\/\/mailrelay.com\/pt\/glossario\/webmail\/\" target=\"_blank\" rel=\"noopener\">webmail<\/a> diferente para cada um.<\/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>Voc\u00ea envia emails para seus clientes pelo Thunderbird?<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Com o Mailrelay voc\u00ea envia suas newsletters para toda a sua lista, sem os limites da sua conta de email, com estat\u00edsticas e descadastros autom\u00e1ticos. Conta gratuita de at\u00e9 80.000 emails por m\u00eas.<\/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=thunderbird\">Criar conta gr\u00e1tis<\/a><\/div>\n<\/div>\n<\/div><\/div>\n\n<h2 class=\"wp-block-heading\">Como configurar uma conta no Thunderbird?<\/h2>\n\n<p class=\"wp-block-paragraph\">Na maioria dos casos, ele faz isso sozinho:<\/p>\n\n<ol class=\"wp-block-list\">\n<li>Baixe o Thunderbird no site oficial e instale.<\/li>\n\n\n\n<li>Digite seu nome, seu endere\u00e7o e sua senha.<\/li>\n\n\n\n<li>O programa busca a configura\u00e7\u00e3o do seu provedor e sugere <a href=\"https:\/\/mailrelay.com\/pt\/glossario\/imap\/\" target=\"_blank\" rel=\"noopener\">IMAP<\/a> ou <a href=\"https:\/\/mailrelay.com\/pt\/glossario\/pop3\/\" target=\"_blank\" rel=\"noopener\">POP3<\/a>.<\/li>\n\n\n\n<li>Se o seu provedor pedir, fa\u00e7a login na janela que se abre no seu navegador.<\/li>\n\n\n\n<li>Confirme e espere suas mensagens serem baixadas.<\/li>\n<\/ol>\n\n<p class=\"wp-block-paragraph\">Escolha IMAP se voc\u00ea l\u00ea seus emails em v\u00e1rios dispositivos. O POP3 baixa as mensagens em um \u00fanico computador.<\/p>\n\n<h2 class=\"wp-block-heading\">Como configurar o Gmail, o Outlook e outros provedores<\/h2>\n\n<p class=\"wp-block-paragraph\">Cada provedor tem suas particularidades:<\/p>\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Provedor<\/th><th>O que levar em conta<\/th><\/tr><\/thead><tbody><tr><td>Gmail<\/td><td>Configura sozinho com OAuth2: voc\u00ea faz login com sua conta do Google<\/td><\/tr><tr><td>Outlook e Hotmail<\/td><td>Usa OAuth2 no servidor de entrada e no <a href=\"https:\/\/mailrelay.com\/pt\/glossario\/smtp\/\" target=\"_blank\" rel=\"noopener\">SMTP<\/a>. A senha normal n\u00e3o funciona mais<\/td><\/tr><tr><td>Exchange (empresa)<\/td><td>As vers\u00f5es recentes t\u00eam suporte nativo, sem complementos<\/td><\/tr><tr><td>iCloud Mail<\/td><td>Voc\u00ea precisa de uma senha espec\u00edfica de app<\/td><\/tr><tr><td><a href=\"https:\/\/mailrelay.com\/pt\/glossario\/protonmail\/\" target=\"_blank\" rel=\"noopener\">Proton Mail<\/a><\/td><td>S\u00f3 com o Proton Mail Bridge, nos planos pagos<\/td><\/tr><tr><td>Email do seu dom\u00ednio<\/td><td>Pe\u00e7a \u00e0 sua hospedagem os dados do <a href=\"https:\/\/mailrelay.com\/pt\/glossario\/servidor-de-email\/\" target=\"_blank\" rel=\"noopener\">servidor de email<\/a><\/td><\/tr><\/tbody><\/table><\/figure>\n\n<p class=\"wp-block-paragraph\">Se o assistente n\u00e3o encontrar os dados, escolha a configura\u00e7\u00e3o manual e digite os servidores, as portas e o tipo de criptografia do seu provedor.<\/p>\n\n<h2 class=\"wp-block-heading\">Quais vers\u00f5es existem? Release e ESR<\/h2>\n\n<p class=\"wp-block-paragraph\">H\u00e1 dois canais de atualiza\u00e7\u00e3o, e os dois s\u00e3o gratuitos:<\/p>\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Canal<\/th><th>Atualiza\u00e7\u00f5es<\/th><th>Para quem<\/th><\/tr><\/thead><tbody><tr><td>Release<\/td><td>Uma vers\u00e3o nova por m\u00eas<\/td><td>Quem quer as novidades antes<\/td><\/tr><tr><td>ESR (Extended Support Release)<\/td><td>Uma vers\u00e3o grande por ano<\/td><td>Empresas e quem prefere estabilidade<\/td><\/tr><\/tbody><\/table><\/figure>\n\n<p class=\"wp-block-paragraph\">A ESR mais recente \u00e9 o Thunderbird 153 &#8220;Meadow&#8221;, de julho de 2026, com um assistente de contas renovado.<\/p>\n\n<p class=\"wp-block-paragraph\">A Mozilla tamb\u00e9m prepara o Thunderbird Pro, um servi\u00e7o pago com email pr\u00f3prio (Thundermail), que est\u00e1 em fase beta desde 2026. O programa continua gratuito.<\/p>\n\n<h2 class=\"wp-block-heading\">Problemas frequentes e como resolv\u00ea-los<\/h2>\n\n<p class=\"wp-block-paragraph\"><strong>N\u00e3o consigo conectar minha conta do Outlook.<\/strong> Mude o m\u00e9todo de autentica\u00e7\u00e3o para OAuth2 no servidor de entrada e no de sa\u00edda.<\/p>\n\n<p class=\"wp-block-paragraph\"><strong>Os emails n\u00e3o s\u00e3o enviados.<\/strong> Verifique se a porta e a criptografia do servidor de sa\u00edda combinam, e se o SMTP exige autentica\u00e7\u00e3o.<\/p>\n\n<p class=\"wp-block-paragraph\"><strong>O programa est\u00e1 lento.<\/strong> Compacte as pastas e esvazie a lixeira. Se voc\u00ea tem muitos anos de emails, arquive os antigos.<\/p>\n\n<p class=\"wp-block-paragraph\"><strong>Quero trocar de computador.<\/strong> Copie sua pasta de perfil ou use a ferramenta de exporta\u00e7\u00e3o do pr\u00f3prio programa.<\/p>\n\n<h2 class=\"wp-block-heading\">D\u00e1 para usar o Thunderbird para enviar newsletters?<\/h2>\n\n<p class=\"wp-block-paragraph\">Para poucos destinat\u00e1rios, com um complemento de mala direta (<a href=\"https:\/\/mailrelay.com\/pt\/glossario\/mail-merge\/\" target=\"_blank\" rel=\"noopener\">mail merge<\/a>), sim. Mas ele tem os mesmos limites da conta que voc\u00ea usa para enviar.<\/p>\n\n<p class=\"wp-block-paragraph\">Gmail, Outlook ou sua operadora limitam quantos emails voc\u00ea envia por dia, e os envios grandes a partir de uma conta pessoal acabam bloqueados. Confira os <a href=\"https:\/\/mailrelay.com\/pt\/glossario\/limites-de-envio\/\" target=\"_blank\" rel=\"noopener\">limites de envio<\/a> de cada provedor.<\/p>\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/mailrelay.com\/wp-content\/uploads\/2026\/11\/thunderbird-vs-herramienta-email-marketing-1024x576.png\" alt=\"Enviar newsletters: Thunderbird versus ferramenta de email marketing, com os limites da sua conta de email e sem estat\u00edsticas versus envios para toda a sua lista com aberturas, cliques e descadastros autom\u00e1ticos\" class=\"wp-image-112621\" srcset=\"https:\/\/mailrelay.com\/wp-content\/uploads\/2026\/11\/thunderbird-vs-herramienta-email-marketing-1024x576.png 1024w, https:\/\/mailrelay.com\/wp-content\/uploads\/2026\/11\/thunderbird-vs-herramienta-email-marketing-300x169.png 300w, https:\/\/mailrelay.com\/wp-content\/uploads\/2026\/11\/thunderbird-vs-herramienta-email-marketing-768x432.png 768w, https:\/\/mailrelay.com\/wp-content\/uploads\/2026\/11\/thunderbird-vs-herramienta-email-marketing-1536x864.png 1536w, https:\/\/mailrelay.com\/wp-content\/uploads\/2026\/11\/thunderbird-vs-herramienta-email-marketing-110x62.png 110w, https:\/\/mailrelay.com\/wp-content\/uploads\/2026\/11\/thunderbird-vs-herramienta-email-marketing-60x34.png 60w, https:\/\/mailrelay.com\/wp-content\/uploads\/2026\/11\/thunderbird-vs-herramienta-email-marketing.png 1672w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n<p class=\"wp-block-paragraph\">Voc\u00ea tamb\u00e9m n\u00e3o ter\u00e1 estat\u00edsticas de aberturas e cliques nem descadastros autom\u00e1ticos. E se colocar todos em c\u00f3pia, cada contato v\u00ea os endere\u00e7os dos outros. A <a href=\"https:\/\/mailrelay.com\/pt\/glossario\/cc-e-cco\/\" target=\"_blank\" rel=\"noopener\">c\u00f3pia oculta<\/a> evita isso, mas n\u00e3o resolve o resto.<\/p>\n\n<p class=\"wp-block-paragraph\">Para isso existem as ferramentas de <a href=\"https:\/\/mailrelay.com\/pt\/blog\/2022\/11\/08\/como-enviar-uma-newsletter-guia-passo-a-passo\/\" target=\"_blank\" rel=\"noopener\">envio em massa<\/a>.<\/p>\n\n<h2 class=\"wp-block-heading\">Como o Mailrelay ajuda voc\u00ea<\/h2>\n\n<p class=\"wp-block-paragraph\">O Mailrelay e o Thunderbird se complementam. Voc\u00ea continua usando o Thunderbird para os emails do dia a dia e envia suas newsletters pelo Mailrelay com o mesmo endere\u00e7o e um <a href=\"https:\/\/mailrelay.com\/pt\/glossario\/dominio-de-envio\/\" target=\"_blank\" rel=\"noopener\">dom\u00ednio de envio<\/a> autenticado.<\/p>\n\n<p class=\"wp-block-paragraph\">A <a href=\"https:\/\/mailrelay.com\/pt\/glossario\/mailing-gratis\/\" target=\"_blank\" rel=\"noopener\">conta gratuita<\/a> inclui at\u00e9 80.000 emails por m\u00eas e 20.000 contatos.<\/p>\n\n<p class=\"wp-block-paragraph\">Voc\u00ea tem editor visual, automa\u00e7\u00f5es, estat\u00edsticas de aberturas e cliques e gest\u00e3o autom\u00e1tica de descadastros e bounces, com suporte humano em todos os planos. Os detalhes est\u00e3o em <a href=\"https:\/\/mailrelay.com\/pt\/precos\/\" target=\"_blank\" rel=\"noopener\">pre\u00e7os<\/a>.<\/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>Thunderbird para seus emails, Mailrelay para suas newsletters<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Templates, automa\u00e7\u00f5es e estat\u00edsticas, com suporte humano em todos os planos.<\/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=thunderbird\">Testar o Mailrelay gr\u00e1tis<\/a><\/div>\n<\/div>\n<\/div><\/div>\n\n<h2 class=\"wp-block-heading\">Perguntas frequentes sobre o Thunderbird<\/h2>\n\n<p class=\"wp-block-paragraph\">Estas s\u00e3o as d\u00favidas mais comuns.<\/p>\n\n<h3 class=\"wp-block-heading\">O Thunderbird \u00e9 gr\u00e1tis?<\/h3>\n\n<p class=\"wp-block-paragraph\">Sim. \u00c9 gratuito e de c\u00f3digo aberto, sem an\u00fancios. \u00c9 mantido com doa\u00e7\u00f5es dos usu\u00e1rios.<\/p>\n\n<h3 class=\"wp-block-heading\">O Thunderbird \u00e9 seguro?<\/h3>\n\n<p class=\"wp-block-paragraph\">Sim. Recebe atualiza\u00e7\u00f5es de seguran\u00e7a com frequ\u00eancia, bloqueia por padr\u00e3o o conte\u00fado remoto dos emails, avisa sobre mensagens que parecem <a href=\"https:\/\/mailrelay.com\/pt\/glossario\/phishing\/\" target=\"_blank\" rel=\"noopener\">phishing<\/a> e inclui criptografia OpenPGP.<\/p>\n\n<h3 class=\"wp-block-heading\">Thunderbird ou Outlook?<\/h3>\n\n<p class=\"wp-block-paragraph\">O Thunderbird \u00e9 gratuito e funciona do mesmo jeito com qualquer provedor. O Outlook se encaixa melhor se a sua empresa j\u00e1 trabalha com o <a href=\"https:\/\/mailrelay.com\/pt\/glossario\/microsoft-365\/\" target=\"_blank\" rel=\"noopener\">Microsoft 365<\/a>.<\/p>\n\n<h3 class=\"wp-block-heading\">Existe Thunderbird para celular?<\/h3>\n\n<p class=\"wp-block-paragraph\">Sim, para Android, desde 2024. A vers\u00e3o para iPhone est\u00e1 em testes.<\/p>\n\n<h3 class=\"wp-block-heading\">O Thunderbird \u00e9 da Mozilla?<\/h3>\n\n<p class=\"wp-block-paragraph\">Sim. Ele \u00e9 desenvolvido pela MZLA Technologies, uma subsidi\u00e1ria da Funda\u00e7\u00e3o Mozilla, a mesma organiza\u00e7\u00e3o por tr\u00e1s do Firefox.<\/p>\n\n<h2 class=\"wp-block-heading\">Posts relacionados<\/h2>\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/mailrelay.com\/pt\/glossario\/outlook\/\">Outlook<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/mailrelay.com\/pt\/glossario\/gmail-email\/\">Gmail<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/mailrelay.com\/pt\/glossario\/icloud-mail\/\">iCloud Mail<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/mailrelay.com\/pt\/glossario\/protonmail\/\">Proton Mail<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/mailrelay.com\/pt\/glossario\/webmail\/\">Webmail<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/mailrelay.com\/pt\/glossario\/imap\/\">IMAP<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/mailrelay.com\/pt\/glossario\/pop3\/\">POP3<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/mailrelay.com\/pt\/glossario\/smtp\/\">SMTP<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/mailrelay.com\/pt\/glossario\/servidor-de-email\/\">Servidor de email<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/mailrelay.com\/pt\/glossario\/mail-merge\/\">Mail merge<\/a><\/li>\n<\/ul>\n","protected":false},"template":"","class_list":["post-112663","glossary","type-glossary","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.7 - 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Veja o que ele oferece, como configurar suas contas, quais vers\u00f5es existem e os problemas mais comuns. O que \u00e9 o Thunderbird? \u00c9 um programa de&hellip;","_links":{"self":[{"href":"https:\/\/mailrelay.com\/pt\/wp-json\/wp\/v2\/glossary\/112663","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":3,"href":"https:\/\/mailrelay.com\/pt\/wp-json\/wp\/v2\/glossary\/112663\/revisions"}],"predecessor-version":[{"id":112667,"href":"https:\/\/mailrelay.com\/pt\/wp-json\/wp\/v2\/glossary\/112663\/revisions\/112667"}],"wp:attachment":[{"href":"https:\/\/mailrelay.com\/pt\/wp-json\/wp\/v2\/media?parent=112663"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}