{"id":5295,"date":"2025-12-19T20:00:31","date_gmt":"2025-12-19T20:00:31","guid":{"rendered":"https:\/\/mgcomdev.wpenginepowered.com\/glossary\/mail-transfer-agent-2\/"},"modified":"2025-07-13T23:44:43","modified_gmt":"2025-07-13T23:44:43","slug":"mail-transfer-agent","status":"publish","type":"glossary","link":"https:\/\/www.mailgun.com\/fr\/glossaire\/mail-transfer-agent\/","title":{"rendered":"Mail Transfer Agent (MTA)"},"content":{"rendered":"<h1>Mail Transfer Agent (MTA)<\/h1>\n<p>Un Mail Transfer Agent est un logiciel de serveur de messagerie qui re\u00e7oit et transf\u00e8re les emails. Un Mail Transfer Agent re\u00e7oit des messages d\u2019un autre Mail Transfer Agent ou d\u2019un <a href='\/fr\/ressources\/centre-apprentissage\/glossaire\/mail-user-agent\/' target=\"_tabs\" rel=\"noopener noreferrer\">Mail User Agent<\/a>, qui est une application informatique utilis\u00e9e par les <a href='\/fr\/ressources\/centre-apprentissage\/glossaire\/utilisateur-final\/' target=\"_tabs\" rel=\"noopener noreferrer\">utilisateurs finaux<\/a> pour acc\u00e9der ou envoyer des emails. Lorsqu\u2019un Mail User Agent transmet un email \u00e0 un Mail Transfer Agent, ce dernier prend le relais et l\u2019envoie au Mail Transfer Agent destinataire en utilisant le protocole SMTP (Simple Mail Transfer Protocol). Si l\u2019exp\u00e9diteur semble envoyer du spam, les services de messagerie peuvent limiter la livraison des emails, ce qui risque d\u2019affecter la d\u00e9livrabilit\u00e9 de la marque.<\/p>\n<p>Pour maintenir un niveau \u00e9lev\u00e9 de <a href=\"https:\/\/www.mailgun.com\/blog\/deliverability\/can-you-guarantee-better-email-deliverability\/\" target=\"_tabs\" rel=\"noopener noreferrer\">d\u00e9livrabilit\u00e9<\/a> et aider le Mail Transfer Agent \u00e0 acheminer les emails du Mail User Agent \u00e0 travers les serveurs de messagerie et jusqu\u2019au Mail User Agent du destinataire, nous vous recommandons de mettre en place des protocoles d\u2019authentification.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Mail Transfer Agent (MTA) Un Mail Transfer Agent est un logiciel de serveur de messagerie qui re\u00e7oit et transf\u00e8re les emails. Un Mail Transfer Agent re\u00e7oit des messages d\u2019un autre Mail Transfer Agent ou d\u2019un Mail User Agent, qui est une application informatique utilis\u00e9e par les utilisateurs finaux pour acc\u00e9der ou envoyer des emails. Lorsqu\u2019un [&hellip;]<\/p>\n","protected":false},"template":"","meta":{"_acf_changed":false},"class_list":["post-5295","glossary","type-glossary","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Mail Transfer Agent \u2013 Glossaire de l\u2019emailing | Mailgun<\/title>\n<meta name=\"description\" content=\"Mail Transfer Agent est un programme sur un serveur de messagerie qui re\u00e7oit et relaie les emails. 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