{"id":5236,"date":"2025-12-19T16:59:29","date_gmt":"2025-12-19T16:59:29","guid":{"rendered":"https:\/\/mgcomdev.wpenginepowered.com\/glossary\/protocoles-authentification\/"},"modified":"2026-09-14T14:38:26","modified_gmt":"2026-09-14T14:38:26","slug":"protocoles-authentification","status":"publish","type":"glossary","link":"https:\/\/www.mailgun.com\/fr\/glossaire\/protocoles-authentification\/","title":{"rendered":"Protocoles d&rsquo;authentification"},"content":{"rendered":"<h1>Protocoles d&rsquo;authentification<\/h1>\n<p><span data-contrast=\"none\">Les protocoles d&rsquo;authentification des emails sont des standards qui v\u00e9rifient si un email a bien \u00e9t\u00e9 envoy\u00e9 par le domaine dont il pr\u00e9tend provenir.<\/span><span data-contrast=\"none\">\u00a0Ces protocoles aident \u00e0 pr\u00e9venir l&rsquo;usurpation, le phis<\/span><span data-contrast=\"none\">h<\/span><span data-contrast=\"none\">ing et les envois non autoris\u00e9s, et sont essentiels pour\u00a0<\/span><span data-contrast=\"none\">\u00e9tablir<\/span><span data-contrast=\"none\">\u00a0la confiance avec\u00a0<\/span><span data-contrast=\"none\">les fournisseurs de bo\u00eetes de r\u00e9ception (FAI).<\/span><span data-ccp-props=\"{\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"none\">Les trois principaux protocoles sont\u00a0:<\/span><span data-ccp-props=\"{\">\u00a0<\/span><\/p>\n<ul>\n<li data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"40\" data-list-defn-props=\"{\" data-aria-posinset=\"1\" data-aria-level=\"1\"><a href=\"https:\/\/www.mailgun.com\/blog\/deliverability\/spf-records-basics\/?utm_source=google&#038;utm_medium=cpc&#038;utm_campaign=NA%20%7C%20Brand&#038;utm_id=750089235&#038;utm_content=44926653532&#038;utm_term=mailgun%20transactional%20email&#038;gad_source=1&#038;gad_campaignid=750089235&#038;gbraid=0AAAAAofVncceW_Nvx3-twdaDpiReB3GU6&#038;gclid=EAIaIQobChMIyOben_nJkQMVuzYIBR2llSRdEAAYASAAEgJ4evD_BwE\"><b><span data-contrast=\"none\">SPF (Sender Policy Framework)\u00a0:<\/span><\/b><\/a><span data-contrast=\"none\">\u00a0Confirme que l&rsquo;adresse IP d&rsquo;envoi\u00a0<\/span><span data-contrast=\"none\">est autoris\u00e9<\/span><span data-contrast=\"none\">e \u00e0<\/span><span data-contrast=\"none\">\u00a0envoyer des emails\u00a0<\/span><span data-contrast=\"none\">pour<\/span><span data-contrast=\"none\">\u00a0le domaine.<\/span><span data-ccp-props=\"{\">\u00a0<\/span><\/li>\n<li data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"40\" data-list-defn-props=\"{\" data-aria-posinset=\"1\" data-aria-level=\"1\"><a href=\"https:\/\/www.mailgun.com\/blog\/deliverability\/comprendre-dkim-fonctionnement\/\"><b><span data-contrast=\"none\">DKIM (DomainKeys Identified Mail)\u00a0:<\/span><\/b><\/a><b><span data-contrast=\"none\">\u00a0<\/span><\/b><span data-contrast=\"none\">Utilise une paire de cl\u00e9s priv\u00e9e\/publique pour signer cryptographiquement les messages au nom du domaine d&rsquo;exp\u00e9diteur.<\/span><span data-ccp-props=\"{\">\u00a0<\/span><\/li>\n<li data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"40\" data-list-defn-props=\"{\" data-aria-posinset=\"1\" data-aria-level=\"1\"><a href=\"https:\/\/www.mailgun.com\/blog\/deliverability\/implementer-dmarc\/\"><b><span data-contrast=\"none\">DMARC (Domain-based Message Authentication, Reporting &amp; C<\/span><\/b><b><span data-contrast=\"none\">onformance)\u00a0:<\/span><\/b><\/a><b><span data-contrast=\"none\">\u00a0<\/span><\/b><span data-contrast=\"none\">S&rsquo;appuie sur<\/span><span data-contrast=\"none\">\u00a0SPF et DKIM pour assurer l&rsquo;application de la politique et le reporting. Il indique\u00a0<\/span><span data-contrast=\"none\">aux serveurs de r\u00e9ception<\/span><span data-contrast=\"none\">\u00a0ce qu&rsquo;il faut faire en cas d&rsquo;\u00e9chec de l&rsquo;authentification.<\/span><span data-ccp-props=\"{\">\u00a0<\/span><\/li>\n<\/ul>\n<p><b><span data-contrast=\"none\">Pourquoi c&rsquo;est<\/span><\/b><b><span data-contrast=\"none\">\u00a0important\u00a0:\u00a0<\/span><\/b><span data-ccp-props=\"{\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"none\">Sans une authentification appropri\u00e9e, vos messages ont plus de chances d&rsquo;\u00eatre rejet\u00e9s,\u00a0<\/span><span data-contrast=\"none\">envoy\u00e9s dans les<\/span><span data-contrast=\"none\">\u00a0spams ou mar<\/span><span data-contrast=\"none\">qu\u00e9s comme\u00a0<\/span><span data-contrast=\"none\">suspects<\/span><span data-contrast=\"none\">, m\u00eame si votre contenu est de qualit\u00e9.<\/span><span data-ccp-props=\"{\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"none\"><strong>Remarque\u00a0:<\/strong> L&rsquo;authentification\u00a0<\/span><span data-contrast=\"none\">n&rsquo;est plus<\/span><span data-contrast=\"none\">\u00a0optionnelle. Les principaux fournisseurs de messagerie<\/span><span data-contrast=\"none\"> tels que Gmail et Microsoft exigent de plus en plus l&rsquo;alignement avec SPF, DKIM et DMARC pour garantir un placement en bo\u00eete de r\u00e9ception constant.<\/span><span data-ccp-props=\"{\">\u00a0<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Protocoles d&rsquo;authentification Les protocoles d&rsquo;authentification des emails sont des standards qui v\u00e9rifient si un email a bien \u00e9t\u00e9 envoy\u00e9 par le domaine dont il pr\u00e9tend provenir.\u00a0Ces protocoles aident \u00e0 pr\u00e9venir l&rsquo;usurpation, le phishing et les envois non autoris\u00e9s, et sont essentiels pour\u00a0\u00e9tablir\u00a0la confiance avec\u00a0les fournisseurs de bo\u00eetes de r\u00e9ception (FAI).\u00a0 Les trois principaux protocoles sont\u00a0:\u00a0 [&hellip;]<\/p>\n","protected":false},"author":1,"template":"","meta":{"_acf_changed":false},"class_list":["post-5236","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>Protocoles d&#039;authentification \u2013 Glossaire des termes d&#039;email | Mailgun<\/title>\n<meta name=\"description\" content=\"Les protocoles d&#039;authentification comme SPF, DKIM et DMARC sont des enregistrements que les marques configurent pour prot\u00e9ger l&#039;envoi d&#039;emails. 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