{"id":20711,"date":"2019-07-16T00:00:00","date_gmt":"2019-07-16T00:00:00","guid":{"rendered":"https:\/\/www.mailgun.com\/blog\/dicas-truques-evitar-filtro-spam-gmail-action-mailer-ruby-on-rails\/"},"modified":"2026-09-15T04:47:43","modified_gmt":"2026-09-15T04:47:43","slug":"dicas-truques-evitar-filtro-spam-gmail-action-mailer-ruby-on-rails","status":"publish","type":"blog","link":"https:\/\/www.mailgun.com\/pt\/blog\/email\/dicas-truques-evitar-filtro-spam-gmail-action-mailer-ruby-on-rails\/","title":{"rendered":"Dicas &amp; truques: como evitar o filtro de spam do Gmail ao usar o Action Mailer do Ruby on Rails"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Ficou claro, pelos nossos registros de suporte, que muitos profissionais de desenvolvimento usam o Action Mailer para enviar e-mails. Se voc\u00ea faz parte desse grupo, saiba que h\u00e1 um problema recorrente que far\u00e1 com que seus e-mails sejam filtrados como spam pelo Gmail:\u00a0uma message-ID malformada. Isso tamb\u00e9m pode ocorrer com outras bibliotecas, mas vemos esse problema principalmente com o Action Mailer.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Criamos nossa\u00a0<a href=\"https:\/\/documentation.mailgun.com\/en\/latest\/api-intro.html\" target=\"_tabs\" rel=\"noopener noreferrer\">API REST<\/a>\u00a0para que voc\u00ea n\u00e3o precise se preocupar com esses detalhes t\u00e9cnicos (configuramos uma\u00a0message-ID\u00a0v\u00e1lida por padr\u00e3o), mas entendemos que talvez voc\u00ea queira usar as ferramentas com as quais j\u00e1 tem familiaridade.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Se quiser usar o Action Mailer com o Mailgun, \u00e9 muito f\u00e1cil come\u00e7ar:<\/p>\n\n\n    <div data-content-type=\"longform\" class=\"code-snippet longform-spacings rounded-lg overflow-hidden shadow \" data-count=\"1\">\r\n        <ul class=\"nav nav-buttons code-snippet__tabs longform-except position-relative d-flex gap-2 flex-wrap p-3\" role=\"tablist\">\r\n\r\n                            \r\n                    \r\n                        <li class=\"nav-item\" role=\"presentation\">\r\n                            <button class=\"nav-link active\" data-bs-toggle=\"tab\" data-bs-target=\"#code_0\" type=\"button\" role=\"tab\" aria-controls=\"code_0\" aria-selected=\"true\">\r\n                                PHP                            <\/button>\r\n                        <\/li>\r\n\r\n                    \r\n                            \r\n        <\/ul>\r\n        <div class=\"code-snippet__tab-content tab-content\">\r\n\r\n                            \r\n                    <div class=\"tab-pane show active\" id=\"code_0\" role=\"tabpanel\" aria-labelledby=\"code_0\">\r\n                        <div class=\"code-snippet__code-wrapper\">\r\n                            <div class=\"nav nav-buttons code-snippet__copy-wrapper\">\r\n                                <button type=\"button\" class=\"nav-link code-snippet__copy\" data-clipboard-target=\"#code_0_content\" data-clipboard-label=\"Copiar para a \u00e1rea de transfer\u00eancia\" data-clipboard-success-label=\"Copiado!\" data-clipboard-error-label=\"N\u00e3o foi poss\u00edvel copiar\" data-tooltip=\"Copiar para a \u00e1rea de transfer\u00eancia\" data-tooltip-placement=\"left\" role=\"tooltip\" aria-label=\"Copiar para a \u00e1rea de transfer\u00eancia\">\r\n                                    <svg class=\"code-snippet__copy-icon code-snippet__copy-icon--default\" width=\"24\" height=\"24\" aria-hidden=\"true\" data-url=\"https:\/\/www.mailgun.com\/wp-content\/plugins\/sinch-core\/assets\/icons\/sinch\/file-stack.svg\"><\/svg>\r\n                                    <svg class=\"code-snippet__copy-icon code-snippet__copy-icon--success\" width=\"24\" height=\"24\" aria-hidden=\"true\" data-url=\"https:\/\/www.mailgun.com\/wp-content\/plugins\/sinch-core\/assets\/icons\/sinch\/badge-check.svg\"><\/svg>\r\n                                <\/button>\r\n                            <\/div>\r\n                            <pre class=\"w-100 h-100 m-0 line-numbers language-PHP\">\r\n                                <code id=\"code_0_content\" class=\"language-PHP\">\r\n\r\n                                    config.action_mailer.delivery_method = :smtp\r\nconfig.action_mailer.default_charset = &quot;utf-8&quot;\r\nconfig.action_mailer.perform_deliveries = true\r\nconfig.action_mailer.raise_delivery_errors = true\r\nconfig.action_mailer.smtp_settings = {\r\n     :authentication =&gt; :plain,\r\n     :address =&gt; &quot;smtp.mailgun.org&quot;,\r\n     :port =&gt; 587,\r\n     :domain =&gt; &quot;my-mailgun-domain.com&quot;,\r\n     :user_name =&gt; &quot;postmaster@my-mailgun-domain.com&quot;,\r\n     :password =&gt; &quot;my-password&quot;\r\n}\r\n                                <\/code>\r\n                            <\/pre>\r\n                        <\/div>\r\n                    <\/div>\r\n                                    <\/div>\r\n    <\/div>\r\n\n\n\n<p class=\"wp-block-paragraph\">O problema \u00e9 que, se voc\u00ea n\u00e3o especificar a\u00a0message-ID, o Action Mailer preencher\u00e1 esse cabe\u00e7alho com um valor padr\u00e3o que pode n\u00e3o ser uma\u00a0message-ID\u00a0v\u00e1lida. Al\u00e9m disso, se voc\u00ea estiver se conectando a uma retransmiss\u00e3o SMTP, essa\u00a0message-ID\u00a0provavelmente n\u00e3o refletir\u00e1 o dom\u00ednio que est\u00e1 realmente enviando o e-mail. Ela pode ser algo como &#8220;&#8221;.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">O Gmail \u00e9 muito rigoroso para garantir que a\u00a0message-ID\u00a0nos cabe\u00e7alhos MIME siga a\u00a0<a href=\"http:\/\/tools.ietf.org\/html\/rfc2822#section-3.6.4\" target=\"_tabs\" rel=\"noopener noreferrer\">RFC 2822<\/a>e que o dom\u00ednio na\u00a0message-ID\u00a0seja igual ao dom\u00ednio de envio.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">De acordo com a RFC, a\u00a0message-ID\u00a0deve ter o seguinte formato:\u00a0&#8220;&#8221;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">H\u00e1 uma\u00a0<a href=\"http:\/\/stackoverflow.com\/questions\/6598343\/set-the-message-id-mail-header-in-rails3-actionmailer\" target=\"_tabs\" rel=\"noopener noreferrer\">discuss\u00e3o no Stack Overflow<\/a>\u00a0sobre como configurar a\u00a0message-ID\u00a0no Rails. Confira o trecho de exemplo abaixo:<\/p>\n\n\n    <div data-content-type=\"longform\" class=\"code-snippet longform-spacings rounded-lg overflow-hidden shadow \" data-count=\"1\">\r\n        <ul class=\"nav nav-buttons code-snippet__tabs longform-except position-relative d-flex gap-2 flex-wrap p-3\" role=\"tablist\">\r\n\r\n                            \r\n                    \r\n                        <li class=\"nav-item\" role=\"presentation\">\r\n                            <button class=\"nav-link active\" data-bs-toggle=\"tab\" data-bs-target=\"#code_0\" type=\"button\" role=\"tab\" aria-controls=\"code_0\" aria-selected=\"true\">\r\n                                PHP                            <\/button>\r\n                        <\/li>\r\n\r\n                    \r\n                            \r\n        <\/ul>\r\n        <div class=\"code-snippet__tab-content tab-content\">\r\n\r\n                            \r\n                    <div class=\"tab-pane show active\" id=\"code_0\" role=\"tabpanel\" aria-labelledby=\"code_0\">\r\n                        <div class=\"code-snippet__code-wrapper\">\r\n                            <div class=\"nav nav-buttons code-snippet__copy-wrapper\">\r\n                                <button type=\"button\" class=\"nav-link code-snippet__copy\" data-clipboard-target=\"#code_0_content\" data-clipboard-label=\"Copiar para a \u00e1rea de transfer\u00eancia\" data-clipboard-success-label=\"Copiado!\" data-clipboard-error-label=\"N\u00e3o foi poss\u00edvel copiar\" data-tooltip=\"Copiar para a \u00e1rea de transfer\u00eancia\" data-tooltip-placement=\"left\" role=\"tooltip\" aria-label=\"Copiar para a \u00e1rea de transfer\u00eancia\">\r\n                                    <svg class=\"code-snippet__copy-icon code-snippet__copy-icon--default\" width=\"24\" height=\"24\" aria-hidden=\"true\" data-url=\"https:\/\/www.mailgun.com\/wp-content\/plugins\/sinch-core\/assets\/icons\/sinch\/file-stack.svg\"><\/svg>\r\n                                    <svg class=\"code-snippet__copy-icon code-snippet__copy-icon--success\" width=\"24\" height=\"24\" aria-hidden=\"true\" data-url=\"https:\/\/www.mailgun.com\/wp-content\/plugins\/sinch-core\/assets\/icons\/sinch\/badge-check.svg\"><\/svg>\r\n                                <\/button>\r\n                            <\/div>\r\n                            <pre class=\"w-100 h-100 m-0 line-numbers language-PHP\">\r\n                                <code id=\"code_0_content\" class=\"language-PHP\">\r\n\r\n                                    require &#039;digest\/sha2&#039;\r\nclass UserMailer &quot;#{Digest::SHA2.hexdigest(Time.now.to_i.to_s)}@yourdomain.com&quot;\r\n   # ... the rest of your mailer class\r\nend\r\n                                <\/code>\r\n                            <\/pre>\r\n                        <\/div>\r\n                    <\/div>\r\n                                    <\/div>\r\n    <\/div>\r\n\n\n\n<p class=\"wp-block-paragraph\">Portanto, n\u00e3o deixe de testar se a\u00a0message-ID\u00a0est\u00e1 configurada corretamente ou o Gmail enviar\u00e1 seus e-mails para o spam!<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Bons envios!<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Mailgunners<\/p>\n\n\n\r\n    <aside data-content-type=\"longform\"  class=\"banner-block longform-spacings rounded-lg shadow-lg px-5 py-6 px-md-6 py-md-7 p-lg-7 bg-light\" data-theme=\"dark\" aria-labelledby=\"banner-block-block_25612bf8b9e940c77cee403f857b0516\">\r\n                    <p class=\"text-uppercase section-caption text-body-color\">\r\n                Cadastre-se            <\/p>\r\n                            <p class=\"h4 text-accent fw-bold\" id=\"banner-block-block_25612bf8b9e940c77cee403f857b0516\">\r\n                \u00c9 f\u00e1cil come\u00e7ar. E \u00e9 gr\u00e1tis.            <\/p>\r\n                            <div class=\"mb-0 text-body-color\">\r\n                                    <div class=\"content-body mb-0 text-body-color\">Veja o que voc\u00ea pode alcan\u00e7ar com a melhor plataforma de entrega de e-mail do mundo.<\/div>\r\n                            <\/div>\r\n        \r\n        <div class=\"text-start mt-5\"><a href=\"https:\/\/signup.mailgun.com\/new\/signup\"  class=\"btn btn-secondary\" >Get started<\/a><\/div>\r\n    <\/aside>\r\n\r\n","protected":false},"excerpt":{"rendered":"<p>Ficou claro, pelos nossos registros de suporte, que muitos profissionais de desenvolvimento usam o Action Mailer para enviar e-mails. Se voc\u00ea faz parte desse grupo, saiba que h\u00e1 um problema recorrente que far\u00e1 com que seus e-mails sejam filtrados como spam pelo Gmail: uma message-ID malformada. Isso tamb\u00e9m pode ocorrer com outras bibliotecas, mas vemos esse problema principalmente com o Action Mailer.<\/p>\n","protected":false},"author":13,"featured_media":4074,"menu_order":0,"template":"","meta":{"_acf_changed":true,"footnotes":""},"blog_category":[20],"class_list":["post-20711","blog","type-blog","status-publish","has-post-thumbnail","hentry","blog_category-email"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Dicas e truques: como evitar o filtro de spam do Gmail ao usar o Action Mailer do Ruby on Rails<\/title>\n<meta name=\"description\" content=\"Ficou claro, pelos nossos registros de suporte, que muitos profissionais de desenvolvimento usam o Action Mailer para enviar e-mails. Esta publica\u00e7\u00e3o mostrar\u00e1 como fazer isso \u2013\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.mailgun.com\/pt\/blog\/email\/dicas-truques-evitar-filtro-spam-gmail-action-mailer-ruby-on-rails\/\" \/>\n<meta property=\"og:locale\" content=\"pt_BR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Dicas e truques: como evitar o filtro de spam do Gmail ao usar o Action Mailer do Ruby on Rails\" \/>\n<meta property=\"og:description\" content=\"Ficou claro, pelos nossos registros de suporte, que muitos profissionais de desenvolvimento usam o Action Mailer para enviar e-mails. Esta publica\u00e7\u00e3o mostrar\u00e1 como fazer isso \u2013\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.mailgun.com\/pt\/blog\/email\/dicas-truques-evitar-filtro-spam-gmail-action-mailer-ruby-on-rails\/\" \/>\n<meta property=\"og:site_name\" content=\"Transactional Email API Service For Developers | Mailgun\" \/>\n<meta property=\"article:modified_time\" content=\"2026-09-15T04:47:43+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.mailgun.com\/wp-content\/uploads\/2025\/07\/MG-Blog-Email.png\" \/>\n\t<meta property=\"og:image:width\" content=\"720\" \/>\n\t<meta property=\"og:image:height\" content=\"448\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"2 minutos\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.mailgun.com\\\/pt\\\/blog\\\/email\\\/dicas-truques-evitar-filtro-spam-gmail-action-mailer-ruby-on-rails\\\/\",\"url\":\"https:\\\/\\\/www.mailgun.com\\\/pt\\\/blog\\\/email\\\/dicas-truques-evitar-filtro-spam-gmail-action-mailer-ruby-on-rails\\\/\",\"name\":\"Dicas e truques: como evitar o filtro de spam do Gmail ao usar o Action Mailer do Ruby on Rails\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.mailgun.com\\\/pt\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/www.mailgun.com\\\/pt\\\/blog\\\/email\\\/dicas-truques-evitar-filtro-spam-gmail-action-mailer-ruby-on-rails\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/www.mailgun.com\\\/pt\\\/blog\\\/email\\\/dicas-truques-evitar-filtro-spam-gmail-action-mailer-ruby-on-rails\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.mailgun.com\\\/wp-content\\\/uploads\\\/2025\\\/07\\\/MG-Blog-Email.png\",\"datePublished\":\"2019-07-16T00:00:00+00:00\",\"dateModified\":\"2026-09-15T04:47:43+00:00\",\"description\":\"Ficou claro, pelos nossos registros de suporte, que muitos profissionais de desenvolvimento usam o Action Mailer para enviar e-mails. Esta publica\u00e7\u00e3o mostrar\u00e1 como fazer isso \u2013\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/www.mailgun.com\\\/pt\\\/blog\\\/email\\\/dicas-truques-evitar-filtro-spam-gmail-action-mailer-ruby-on-rails\\\/#breadcrumb\"},\"inLanguage\":\"pt-BR\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/www.mailgun.com\\\/pt\\\/blog\\\/email\\\/dicas-truques-evitar-filtro-spam-gmail-action-mailer-ruby-on-rails\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"pt-BR\",\"@id\":\"https:\\\/\\\/www.mailgun.com\\\/pt\\\/blog\\\/email\\\/dicas-truques-evitar-filtro-spam-gmail-action-mailer-ruby-on-rails\\\/#primaryimage\",\"url\":\"https:\\\/\\\/www.mailgun.com\\\/wp-content\\\/uploads\\\/2025\\\/07\\\/MG-Blog-Email.png\",\"contentUrl\":\"https:\\\/\\\/www.mailgun.com\\\/wp-content\\\/uploads\\\/2025\\\/07\\\/MG-Blog-Email.png\",\"width\":720,\"height\":448},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/www.mailgun.com\\\/pt\\\/blog\\\/email\\\/dicas-truques-evitar-filtro-spam-gmail-action-mailer-ruby-on-rails\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/www.mailgun.com\\\/pt\\\/inicio\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Blog\",\"item\":\"https:\\\/\\\/www.mailgun.com\\\/pt\\\/blog\\\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Dicas & truques: como evitar o filtro de spam do Gmail ao usar o Action Mailer do Ruby on Rails\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/www.mailgun.com\\\/pt\\\/#website\",\"url\":\"https:\\\/\\\/www.mailgun.com\\\/pt\\\/\",\"name\":\"Transactional Email API Service For Developers | Mailgun\",\"description\":\"Poderosas APIs de e-mail transacional que permitem a voc\u00ea enviar, receber e rastrear e-mails, criadas com os desenvolvedores em mente. Saiba mais hoje mesmo!\",\"publisher\":{\"@id\":\"https:\\\/\\\/www.mailgun.com\\\/pt\\\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/www.mailgun.com\\\/pt\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"pt-BR\"},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/www.mailgun.com\\\/pt\\\/#organization\",\"name\":\"Transactional Email API Service For Developers | Mailgun\",\"url\":\"https:\\\/\\\/www.mailgun.com\\\/pt\\\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"pt-BR\",\"@id\":\"https:\\\/\\\/www.mailgun.com\\\/pt\\\/#\\\/schema\\\/logo\\\/image\\\/\",\"url\":\"https:\\\/\\\/www.mailgun.com\\\/wp-content\\\/uploads\\\/2025\\\/06\\\/cropped-android-chrome-512x512-1.png\",\"contentUrl\":\"https:\\\/\\\/www.mailgun.com\\\/wp-content\\\/uploads\\\/2025\\\/06\\\/cropped-android-chrome-512x512-1.png\",\"width\":512,\"height\":512,\"caption\":\"Transactional Email API Service For Developers | Mailgun\"},\"image\":{\"@id\":\"https:\\\/\\\/www.mailgun.com\\\/pt\\\/#\\\/schema\\\/logo\\\/image\\\/\"}}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Dicas e truques: como evitar o filtro de spam do Gmail ao usar o Action Mailer do Ruby on Rails","description":"Ficou claro, pelos nossos registros de suporte, que muitos profissionais de desenvolvimento usam o Action Mailer para enviar e-mails. Esta publica\u00e7\u00e3o mostrar\u00e1 como fazer isso \u2013","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.mailgun.com\/pt\/blog\/email\/dicas-truques-evitar-filtro-spam-gmail-action-mailer-ruby-on-rails\/","og_locale":"pt_BR","og_type":"article","og_title":"Dicas e truques: como evitar o filtro de spam do Gmail ao usar o Action Mailer do Ruby on Rails","og_description":"Ficou claro, pelos nossos registros de suporte, que muitos profissionais de desenvolvimento usam o Action Mailer para enviar e-mails. Esta publica\u00e7\u00e3o mostrar\u00e1 como fazer isso \u2013","og_url":"https:\/\/www.mailgun.com\/pt\/blog\/email\/dicas-truques-evitar-filtro-spam-gmail-action-mailer-ruby-on-rails\/","og_site_name":"Transactional Email API Service For Developers | Mailgun","article_modified_time":"2026-09-15T04:47:43+00:00","og_image":[{"width":720,"height":448,"url":"https:\/\/www.mailgun.com\/wp-content\/uploads\/2025\/07\/MG-Blog-Email.png","type":"image\/png"}],"twitter_card":"summary_large_image","twitter_misc":{"Est. reading time":"2 minutos"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/www.mailgun.com\/pt\/blog\/email\/dicas-truques-evitar-filtro-spam-gmail-action-mailer-ruby-on-rails\/","url":"https:\/\/www.mailgun.com\/pt\/blog\/email\/dicas-truques-evitar-filtro-spam-gmail-action-mailer-ruby-on-rails\/","name":"Dicas e truques: como evitar o filtro de spam do Gmail ao usar o Action Mailer do Ruby on Rails","isPartOf":{"@id":"https:\/\/www.mailgun.com\/pt\/#website"},"primaryImageOfPage":{"@id":"https:\/\/www.mailgun.com\/pt\/blog\/email\/dicas-truques-evitar-filtro-spam-gmail-action-mailer-ruby-on-rails\/#primaryimage"},"image":{"@id":"https:\/\/www.mailgun.com\/pt\/blog\/email\/dicas-truques-evitar-filtro-spam-gmail-action-mailer-ruby-on-rails\/#primaryimage"},"thumbnailUrl":"https:\/\/www.mailgun.com\/wp-content\/uploads\/2025\/07\/MG-Blog-Email.png","datePublished":"2019-07-16T00:00:00+00:00","dateModified":"2026-09-15T04:47:43+00:00","description":"Ficou claro, pelos nossos registros de suporte, que muitos profissionais de desenvolvimento usam o Action Mailer para enviar e-mails. Esta publica\u00e7\u00e3o mostrar\u00e1 como fazer isso \u2013","breadcrumb":{"@id":"https:\/\/www.mailgun.com\/pt\/blog\/email\/dicas-truques-evitar-filtro-spam-gmail-action-mailer-ruby-on-rails\/#breadcrumb"},"inLanguage":"pt-BR","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.mailgun.com\/pt\/blog\/email\/dicas-truques-evitar-filtro-spam-gmail-action-mailer-ruby-on-rails\/"]}]},{"@type":"ImageObject","inLanguage":"pt-BR","@id":"https:\/\/www.mailgun.com\/pt\/blog\/email\/dicas-truques-evitar-filtro-spam-gmail-action-mailer-ruby-on-rails\/#primaryimage","url":"https:\/\/www.mailgun.com\/wp-content\/uploads\/2025\/07\/MG-Blog-Email.png","contentUrl":"https:\/\/www.mailgun.com\/wp-content\/uploads\/2025\/07\/MG-Blog-Email.png","width":720,"height":448},{"@type":"BreadcrumbList","@id":"https:\/\/www.mailgun.com\/pt\/blog\/email\/dicas-truques-evitar-filtro-spam-gmail-action-mailer-ruby-on-rails\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/www.mailgun.com\/pt\/inicio\/"},{"@type":"ListItem","position":2,"name":"Blog","item":"https:\/\/www.mailgun.com\/pt\/blog\/"},{"@type":"ListItem","position":3,"name":"Dicas & truques: como evitar o filtro de spam do Gmail ao usar o Action Mailer do Ruby on Rails"}]},{"@type":"WebSite","@id":"https:\/\/www.mailgun.com\/pt\/#website","url":"https:\/\/www.mailgun.com\/pt\/","name":"Transactional Email API Service For Developers | Mailgun","description":"Poderosas APIs de e-mail transacional que permitem a voc\u00ea enviar, receber e rastrear e-mails, criadas com os desenvolvedores em mente. Saiba mais hoje mesmo!","publisher":{"@id":"https:\/\/www.mailgun.com\/pt\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.mailgun.com\/pt\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"pt-BR"},{"@type":"Organization","@id":"https:\/\/www.mailgun.com\/pt\/#organization","name":"Transactional Email API Service For Developers | Mailgun","url":"https:\/\/www.mailgun.com\/pt\/","logo":{"@type":"ImageObject","inLanguage":"pt-BR","@id":"https:\/\/www.mailgun.com\/pt\/#\/schema\/logo\/image\/","url":"https:\/\/www.mailgun.com\/wp-content\/uploads\/2025\/06\/cropped-android-chrome-512x512-1.png","contentUrl":"https:\/\/www.mailgun.com\/wp-content\/uploads\/2025\/06\/cropped-android-chrome-512x512-1.png","width":512,"height":512,"caption":"Transactional Email API Service For Developers | Mailgun"},"image":{"@id":"https:\/\/www.mailgun.com\/pt\/#\/schema\/logo\/image\/"}}]}},"_links":{"self":[{"href":"https:\/\/www.mailgun.com\/pt\/wp-json\/wp\/v2\/blog\/20711","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.mailgun.com\/pt\/wp-json\/wp\/v2\/blog"}],"about":[{"href":"https:\/\/www.mailgun.com\/pt\/wp-json\/wp\/v2\/types\/blog"}],"author":[{"embeddable":true,"href":"https:\/\/www.mailgun.com\/pt\/wp-json\/wp\/v2\/users\/13"}],"version-history":[{"count":0,"href":"https:\/\/www.mailgun.com\/pt\/wp-json\/wp\/v2\/blog\/20711\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.mailgun.com\/pt\/wp-json\/wp\/v2\/media\/4074"}],"wp:attachment":[{"href":"https:\/\/www.mailgun.com\/pt\/wp-json\/wp\/v2\/media?parent=20711"}],"wp:term":[{"taxonomy":"blog_category","embeddable":true,"href":"https:\/\/www.mailgun.com\/pt\/wp-json\/wp\/v2\/blog_category?post=20711"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}