{"id":18942,"date":"2025-12-19T20:09:54","date_gmt":"2025-12-19T20:09:54","guid":{"rendered":"https:\/\/www.mailgun.com\/glossary\/postmaster-2\/"},"modified":"2026-09-08T23:24:51","modified_gmt":"2026-09-08T23:24:51","slug":"postmaster","status":"publish","type":"glossary","link":"https:\/\/www.mailgun.com\/pt\/glossary\/postmaster\/","title":{"rendered":"Postmaster"},"content":{"rendered":"<h1>Postmaster<\/h1>\n<p><span data-contrast=\"none\">O<\/span><span data-contrast=\"none\"> postmaster \u00e9 a pessoa respons\u00e1vel pela administra\u00e7\u00e3o de e-mail de um dom\u00ednio<\/span><span data-contrast=\"none\">\u00a0\u2013<\/span><span data-contrast=\"none\">\u00a0basicamente quem faz a faxina digital e lida com erros, devolu\u00e7\u00f5es e outros imprevistos de e-mail nos bastidores. Segundo a RFC 5321, todo dom\u00ednio que envia e-mail via SMTP deve manter um endere\u00e7o postmaster@domain.com em funcionamento.\u00a0\u00c9 para l\u00e1 que os servidores enviam problemas t\u00e9cnicos, como falhas de entrega ou den\u00fancias de abuso.\u00a0<\/span><span data-ccp-props=\"{\">\u00a0<\/span><\/p>\n<p><b><span data-contrast=\"none\">Por que isso \u00e9 importante:\u00a0<\/span><\/b><span data-ccp-props=\"{\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"none\">Se voc\u00ea envia e-mails, precisa de um endere\u00e7o de postmaster ativo. Alguns servidores de recebimento rejeitar\u00e3o o seu e-mail se n\u00e3o conseguirem entrar em contato com voc\u00ea por esse endere\u00e7o.\u00a0Geralmente, esse \u00e9 o primeiro lugar onde voc\u00ea recebe avisos sobre problemas, como bloqueios, excesso de devolu\u00e7\u00f5es ou acionamento de filtros.\u00a0<\/span><span data-ccp-props=\"{\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"none\">Ferramentas como o\u00a0<\/span><a href=\"https:\/\/www.mailgun.com\/blog\/deliverability\/google-postmaster-tools-understanding-sender-reputation\/\"><span data-contrast=\"none\">Google Postmaster Tools<\/span><\/a><span data-contrast=\"none\">\u00a0permitem que remetentes vejam dados de desempenho espec\u00edficos do Gmail, como reputa\u00e7\u00e3o, erros de entrega e taxas de spam<\/span><span data-contrast=\"none\">\u00a0\u2013<\/span><span data-contrast=\"none\">\u00a0<\/span><span data-contrast=\"none\">o que torna o nome muito mais do que apenas um velho requisito de protocolo.\u00a0<\/span><span data-ccp-props=\"{\">\u00a0<\/span><\/p>\n<p><b><span data-contrast=\"none\">Observa\u00e7\u00e3o:<\/span><\/b><span data-contrast=\"none\">\u00a0encaminhe seus endere\u00e7os postmaster@ e abuse@ para um sistema de tickets monitorado ou uma caixa de entrada compartilhada para n\u00e3o ficarem acumulando poeira (nem viola\u00e7\u00f5es de conformidade).<\/span><span data-ccp-props=\"{\">\u00a0<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Postmaster O postmaster \u00e9 a pessoa respons\u00e1vel pela administra\u00e7\u00e3o de e-mail de um dom\u00ednio\u00a0\u2013\u00a0basicamente quem faz a faxina digital e lida com erros, devolu\u00e7\u00f5es e outros imprevistos de e-mail nos bastidores. Segundo a RFC 5321, todo dom\u00ednio que envia e-mail via SMTP deve manter um endere\u00e7o postmaster@domain.com em funcionamento.\u00a0\u00c9 para l\u00e1 que os servidores enviam [&hellip;]<\/p>\n","protected":false},"author":23,"template":"","meta":{"_acf_changed":false},"class_list":["post-18942","glossary","type-glossary","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Postmaster \u2013 Gloss\u00e1rio de termos de e-mail | Mailgun<\/title>\n<meta name=\"description\" content=\"O postmaster de e-mail \u00e9 a pessoa respons\u00e1vel pela administra\u00e7\u00e3o de um servidor de e-mail. 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