{"id":20648,"date":"2019-07-16T00:00:00","date_gmt":"2019-07-16T00:00:00","guid":{"rendered":"https:\/\/www.mailgun.com\/blog\/conseils-astuces-eviter-filtrage-spam-gmail-ruby-on-rails-action-mailer\/"},"modified":"2026-09-15T03:52:45","modified_gmt":"2026-09-15T03:52:45","slug":"conseils-astuces-eviter-filtrage-spam-gmail-ruby-on-rails-action-mailer","status":"publish","type":"blog","link":"https:\/\/www.mailgun.com\/fr\/blog\/email\/conseils-astuces-eviter-filtrage-spam-gmail-ruby-on-rails-action-mailer\/","title":{"rendered":"Conseils et astuces\u00a0: \u00e9viter le filtrage du spam par Gmail avec Ruby on Rails Action Mailer"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Nos historiques de support montrent clairement que de nombreuses \u00e9quipes de d\u00e9veloppement utilisent Action Mailer pour envoyer des emails. Si vous en faites partie, sachez qu&rsquo;un probl\u00e8me r\u00e9current risque d&rsquo;entra\u00eener le filtrage de vos emails comme spam par Gmail\u00a0: un message-ID mal form\u00e9. Cela peut \u00e9galement se produire avec d&rsquo;autres biblioth\u00e8ques, mais nous constatons ce probl\u00e8me principalement avec Action Mailer.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Nous avons cr\u00e9\u00e9 notre\u00a0<a href=\"https:\/\/documentation.mailgun.com\/en\/latest\/api-intro.html\" target=\"_tabs\" rel=\"noopener noreferrer\">API REST<\/a>\u00a0pour que vous n&rsquo;ayez pas \u00e0 vous soucier de ces d\u00e9tails techniques (nous d\u00e9finissons un\u00a0message-ID\u00a0valide par d\u00e9faut), mais nous comprenons que vous souhaitiez utiliser les outils que vous connaissez d\u00e9j\u00e0.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Si vous souhaitez utiliser Action Mailer avec Mailgun, il est tr\u00e8s facile de commencer\u00a0:<\/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=\"Copier dans le presse-papiers\" data-clipboard-success-label=\"Copi\u00e9\u00a0!\" data-clipboard-error-label=\"Impossible de copier\" data-tooltip=\"Copier dans le presse-papiers\" data-tooltip-placement=\"left\" role=\"tooltip\" aria-label=\"Copier dans le presse-papiers\">\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\">Le probl\u00e8me est que si vous ne sp\u00e9cifiez pas le\u00a0message-ID, Action Mailer remplit cet en-t\u00eate avec une valeur par d\u00e9faut qui n&rsquo;est pas forc\u00e9ment un\u00a0message-ID\u00a0valide. De plus, si vous vous connectez \u00e0 un relais SMTP, ce\u00a0message-ID\u00a0ne refl\u00e8te probablement pas le domaine qui envoie r\u00e9ellement l&#8217;email. Il peut indiquer quelque chose comme \u00ab\u00a0\u00a0\u00bb.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Gmail v\u00e9rifie tr\u00e8s strictement que le\u00a0message-ID\u00a0dans les en-t\u00eates MIME respecte\u00a0<a href=\"http:\/\/tools.ietf.org\/html\/rfc2822#section-3.6.4\" target=\"_tabs\" rel=\"noopener noreferrer\">RFC 2822<\/a>et que le domaine dans le\u00a0message-ID\u00a0est identique au domaine d&rsquo;envoi.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Selon la RFC, le\u00a0message-ID\u00a0doit avoir le format suivant\u00a0: \u00ab\u00a0\u00a0\u00bb<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Il existe un\u00a0<a href=\"http:\/\/stackoverflow.com\/questions\/6598343\/set-the-message-id-mail-header-in-rails3-actionmailer\" target=\"_tabs\" rel=\"noopener noreferrer\">fil de discussion sur Stack Overflow<\/a>\u00a0sur la fa\u00e7on de d\u00e9finir le\u00a0message-ID\u00a0dans Rails, voir l&rsquo;extrait ci-dessous\u00a0:<\/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=\"Copier dans le presse-papiers\" data-clipboard-success-label=\"Copi\u00e9\u00a0!\" data-clipboard-error-label=\"Impossible de copier\" data-tooltip=\"Copier dans le presse-papiers\" data-tooltip-placement=\"left\" role=\"tooltip\" aria-label=\"Copier dans le presse-papiers\">\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\">Assurez-vous donc de v\u00e9rifier que le\u00a0message-ID\u00a0est correctement d\u00e9fini, sinon Gmail consid\u00e9rera vos emails comme du spam\u00a0!<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Bons envois\u00a0!<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">L&rsquo;\u00e9quipe Mailgun<\/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_bb7d84ac0483bccd7cd3f193a4ffd833\">\r\n                    <p class=\"text-uppercase section-caption text-body-color\">\r\n                S&rsquo;inscrire            <\/p>\r\n                            <p class=\"h4 text-accent fw-bold\" id=\"banner-block-block_bb7d84ac0483bccd7cd3f193a4ffd833\">\r\n                Lancez-vous, c&rsquo;est facile ! Et c&rsquo;est gratuit.            <\/p>\r\n                            <div class=\"mb-0 text-body-color\">\r\n                                    <div class=\"content-body mb-0 text-body-color\">D\u00e9couvrez ce que vous pouvez accomplir avec la meilleure plateforme de livraison d\u2019emails au monde.<\/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>Nos historiques de support montrent clairement que de nombreuses \u00e9quipes de d\u00e9veloppement utilisent Action Mailer pour envoyer des emails. Si vous en faites partie, sachez qu&rsquo;un probl\u00e8me r\u00e9current risque d&rsquo;entra\u00eener le filtrage de vos emails comme spam par Gmail\u00a0: un message-ID mal form\u00e9. Cela peut \u00e9galement se produire avec d&rsquo;autres biblioth\u00e8ques, mais nous constatons ce probl\u00e8me principalement avec 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-20648","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>Conseils et astuces\u00a0: \u00e9viter le filtrage du spam par Gmail lors de l&#039;utilisation de Ruby on Rails Action Mailer<\/title>\n<meta name=\"description\" content=\"Nos historiques de support montrent clairement que de nombreuses \u00e9quipes de d\u00e9veloppement utilisent Action Mailer pour envoyer des emails. 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