{"id":5326,"date":"2025-12-19T20:33:24","date_gmt":"2025-12-19T20:33:24","guid":{"rendered":"https:\/\/mgcomdev.wpenginepowered.com\/glossary\/relais-smtp\/"},"modified":"2025-07-11T15:37:29","modified_gmt":"2025-07-11T15:37:29","slug":"relais-smtp","status":"publish","type":"glossary","link":"https:\/\/www.mailgun.com\/fr\/glossaire\/relais-smtp\/","title":{"rendered":"Relais SMTP"},"content":{"rendered":"<h1>Relais SMTP<\/h1>\n<p>Le processus consistant \u00e0 relayer des messages d\u2019un serveur \u00e0 un autre \u00e0 l\u2019aide du protocole SMTP (Simple Mail Transfer Protocol) est connu sous le nom de relais SMTP. M\u00eame si l\u2019exp\u00e9diteur et le destinataire utilisent des syst\u00e8mes de messagerie diff\u00e9rents, le relais SMTP garantit que les emails soient d\u00e9livr\u00e9s rapidement et de mani\u00e8re fiable.<\/p>\n<p>Il existe deux types de services de relais SMTP\u00a0: les <b>relais ouverts<\/b> (\u00e9galement appel\u00e9s relais SMTP publics) et les <b>relais ferm\u00e9s<\/b>. Les relais ouverts envoient des emails provenant de sources externes et internes, tandis que les relais ferm\u00e9s n\u2019envoient que des emails provenant de serveurs internes.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Relais SMTP Le processus consistant \u00e0 relayer des messages d\u2019un serveur \u00e0 un autre \u00e0 l\u2019aide du protocole SMTP (Simple Mail Transfer Protocol) est connu sous le nom de relais SMTP. M\u00eame si l\u2019exp\u00e9diteur et le destinataire utilisent des syst\u00e8mes de messagerie diff\u00e9rents, le relais SMTP garantit que les emails soient d\u00e9livr\u00e9s rapidement et de [&hellip;]<\/p>\n","protected":false},"template":"","meta":{"_acf_changed":false},"class_list":["post-5326","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>Relais SMTP \u2013 Glossaire de l\u2019emailing | Mailgun<\/title>\n<meta name=\"description\" content=\"Le relais SMTP (ou relais email) est le processus de transfert des emails sortants. 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